CDC Certification Quiz (Civil Engineer)

Reviewed by Editorial Team
The ProProfs editorial team is comprised of experienced subject matter experts. They've collectively created over 10,000 quizzes and lessons, serving over 100 million users. Our team includes in-house content moderators and subject matter experts, as well as a global network of rigorously trained contributors. All adhere to our comprehensive editorial guidelines, ensuring the delivery of high-quality content.
Learn about Our Editorial Process
| By Choppervail
C
Choppervail
Community Contributor
Quizzes Created: 1 | Total Attempts: 479
| Attempts: 479 | Questions: 200
Please wait...
Question 1 / 200
0 %
0/100
Score 0/100
1. What is the best way to prevent chemical shortages concerning a swimming pool?

Explanation

Accomplishing a chemical inventory weekly is the best way to prevent chemical shortages in a swimming pool. By conducting regular inventories, the pool manager can keep track of the chemical levels and ensure that there is always an adequate supply. This helps in identifying any potential shortages or low levels of chemicals in a timely manner, allowing for prompt reordering and preventing any disruption in pool maintenance. Regular inventory also helps in maintaining a safe and healthy swimming environment for the users by ensuring the proper balance of chemicals in the pool water.

Submit
Please wait...
About This Quiz
Professional Certification Quizzes & Trivia

A Continuous Certificate of Discharge or Continuous Discharge Certificate (C. D. C. ) is a seafarer's identity document issued by his country. Take this quiz and answer all... see morethe questions correctly, share the results on social media with your friends! see less

2. What will be your primary weapon to use when assigned to a Prime BEEF position?

Explanation

In a Prime BEEF position, the primary weapon to use would be the M-16 rifle. The M-16 is a standard military rifle widely used by the United States Armed Forces. It is a lightweight, gas-operated, air-cooled, magazine-fed weapon that is effective for both close-quarters combat and long-range engagements. As a Prime BEEF member, the M-16 rifle would provide the necessary firepower and versatility required for various operational scenarios and tasks.

Submit
3. Why does the Air Force want to provide you with training and education?

Explanation

The Air Force wants to provide training and education in order to build knowledge and skills that are necessary to carry out their mission effectively. By equipping airmen with the necessary knowledge and skills, they can ensure that their workforce is capable of accomplishing their goals and completing their jobs with confidence. This training and education also helps to provide airmen with a viable trade that they can carry with them throughout their career.

Submit
4. A statement that a plan is drawn to a scale of 1/4 inch = 1 foot means

Explanation

The correct answer means that on the printed plan, every 1/4 inch represents a length of 1 foot in reality. This scale ratio is used to accurately depict the dimensions of the objects or structures being represented in the plan.

Submit
5. What is the study of the composition of matter?

Explanation

Chemistry is the study of the composition of matter, including its properties, structure, and the changes it undergoes. It involves understanding the elements and compounds that make up all substances, as well as their interactions and reactions. By studying chemistry, scientists can gain insights into the behavior of different substances, develop new materials, and understand the fundamental processes that occur in the natural world. Biology, ecology, and geology are all related fields, but they focus on different aspects of living organisms and the Earth's systems, rather than specifically studying the composition of matter.

Submit
6. An AF Form 103, Base Civil Engineering Work Clearance Request, is required

Explanation

An AF Form 103, Base Civil Engineering Work Clearance Request, is required before you start any work that involves excavations or utility disturbance. This form is used to obtain clearance from the base civil engineering department before starting any construction or maintenance work that may impact the underground utilities or excavations. It ensures that proper precautions are taken to avoid any hazards or delays and that the work can be carried out safely.

Submit
7. When the cutting wheel on a pipe cutter becomes chipped or worn

Explanation

When the cutting wheel on a pipe cutter becomes chipped or worn, the most effective solution is to replace the worn cutting wheel. Sharpening it with a bench grinder or a special file may not restore its original cutting ability, and readjusting the cutting wheel may not address the issue of wear or damage. Therefore, replacing the worn cutting wheel is the best course of action to ensure efficient and effective pipe cutting.

Submit
8. What do you use to remove someone from an energized circuit?

Explanation

To remove someone from an energized circuit, an insulated object should be used. This is because an insulated object, such as rubber gloves or a rubber-handled tool, can provide protection against electric shocks by preventing the flow of electricity through the person's body. Using a non-insulated object, wet wooden pole, or bare hands can be extremely dangerous and increase the risk of electric shock or injury.

Submit
9. How do you repair a leak on a plastic pipe fitting?

Explanation

To repair a leak on a plastic pipe fitting, the correct method is to cut out the faulty fitting and replace it with a new one. This is because simply applying duct tape or glue around the fitting may not provide a long-lasting solution and could result in further leaks. Applying primer around the fitting is also not an effective repair method in this case. Therefore, the most effective solution is to remove the faulty fitting and install a new one to ensure a proper and secure connection.

Submit
10. What form covers releases and transfers of toxic chemicals to various facilities and environmental media?

Explanation

Form R is the correct answer because it is the form that covers releases and transfers of toxic chemicals to various facilities and environmental media. This form is required under the Toxic Release Inventory (TRI) program, which is a federal program that tracks the management of certain toxic chemicals that may pose a threat to human health and the environment. Form R provides important information about the quantities of toxic chemicals released, as well as the methods of release and the facilities involved. It helps to ensure transparency and accountability in the management of toxic chemicals.

Submit
11. When testing a dry-pipe fire sprinkler system, your first step is to

Explanation

The correct answer is to notify the fire alarm communications center. This is the first step when testing a dry-pipe fire sprinkler system because it is important to inform the appropriate authorities that the system will be tested. This ensures that any alarms or alerts triggered during the testing process will not result in unnecessary emergency response. By notifying the fire alarm communications center, they can be prepared for any potential alarms and can provide guidance or assistance if needed.

Submit
12. How many wires do properly grounded power tools and extension cords have?

Explanation

Properly grounded power tools and extension cords typically have three wires. These wires are the live wire (carries the current), the neutral wire (returns the current), and the ground wire (provides a safe path for electrical faults). The ground wire is important for safety as it helps to prevent electric shocks and reduces the risk of electrical fires.

Submit
13. Which of the following items should you use to remove someone from an energized circuit?

Explanation

A piece of dry wood should be used to remove someone from an energized circuit because wood is a non-conductive material. This means that it does not conduct electricity, so using a dry piece of wood can help to prevent electric shock or injury. Wet wood or any wet material can conduct electricity, making it dangerous to use in this situation. Similarly, a metal pole or wet article of clothing can conduct electricity and increase the risk of electrical shock. Therefore, a dry piece of wood is the safest option to remove someone from an energized circuit.

Submit
14. Which term best completes the following statement? The Base Civil Engineer will be a/an

Explanation

The term "Squadron commander" best completes the statement because the Base Civil Engineer is typically responsible for overseeing the operations and management of a squadron, which is a smaller unit within the military hierarchy. Wing commander, group commander, and operations commander are all higher-ranking positions that oversee larger units or multiple squadrons.

Submit
15. What should be the first action taken if you have created a new waste stream to determine if the waste is hazardous?

Explanation

To determine if the new waste is hazardous, the first action should be to create a hazardous waste profile. This involves gathering information about the waste, such as its composition, properties, and potential hazards. By creating a hazardous waste profile, one can assess the waste's characteristics and determine if it meets the criteria for hazardous waste classification. This is an important step in ensuring proper handling, storage, and disposal of the waste to prevent harm to human health and the environment.

Submit
16. Which skill level must you obtain before promotion to staff sergeant?

Explanation

To be promoted to staff sergeant, one must obtain a skill level of 5. This indicates that the individual has gained a significant level of expertise and experience in their field. It shows that they have demonstrated proficiency in their duties and responsibilities and are ready to take on more leadership roles. The skill level of 5 is a crucial milestone in the career progression of military personnel, marking their readiness for increased responsibilities and higher ranks.

Submit
17. What type of drainage system collects water from rain and melting snow?

Explanation

A storm sewer is a type of drainage system that collects water from rain and melting snow. It is designed to prevent flooding by diverting excess water into underground pipes and channels, which then carry the water to nearby bodies of water such as rivers or lakes. This helps to prevent water accumulation on streets and other surfaces, reducing the risk of damage and accidents caused by flooding.

Submit
18. What should be applied to a strap wrench to prevent slipping?

Explanation

Applying rosin to a strap wrench helps to prevent slipping. Rosin is a sticky substance commonly used in various industries, including music and sports, to enhance grip. When applied to the strap of a wrench, it increases the friction between the strap and the object being gripped, ensuring a more secure hold and preventing the wrench from slipping. This is particularly useful when dealing with smooth or slippery surfaces where a strong grip is essential for effective use of the wrench.

Submit
19. When referring to electrical circuits, a closed circuit means

Explanation

A closed circuit refers to a complete pathway that allows electricity to flow continuously without any interruptions. In this context, the correct answer implies that electricity is indeed traveling through the line, indicating that the circuit is complete and functioning properly.

Submit
20. Tank water closets are preferred over flushometer water closets for residences because they

Explanation

Tank water closets are preferred over flushometer water closets for residences because they require a smaller size supply. This means that the tank water closets can operate efficiently with a smaller water supply, resulting in lower water consumption and reduced water bills. Additionally, a smaller supply size also means that the installation process is easier and requires less space. Therefore, tank water closets are a more cost-effective and practical option for residential settings compared to flushometer water closets.

Submit
21. Rapid sand filters are cleaned by a process called

Explanation

Rapid sand filters are cleaned by a process called backwashing. Backwashing involves reversing the flow of water through the filter, which helps to dislodge and remove any accumulated particles and debris. This process is essential to maintain the effectiveness of the filter and ensure that it continues to function properly. By backwashing, the filter is able to remove trapped impurities and restore its filtering capacity, allowing it to continue providing clean water.

Submit
22. What is the study of living things?

Explanation

Biology is the study of living things, including their structure, function, growth, evolution, and distribution. It encompasses various sub-disciplines such as zoology, botany, microbiology, and genetics. Through the study of biology, scientists gain a better understanding of the complexities of life on Earth, including the processes that occur within organisms and how they interact with their environment. Biology plays a crucial role in fields such as medicine, agriculture, and conservation, helping us to develop new treatments, improve crop yields, and protect endangered species.

Submit
23. Who must provide local training on the use, calibration, and care of the equipment used to test and monitor the atmosphere?

Explanation

The bioenvironmental engineer is responsible for providing local training on the use, calibration, and care of the equipment used to test and monitor the atmosphere. This is because they specialize in assessing and managing environmental factors that could potentially affect human health and safety. They have the knowledge and expertise to educate others on the proper use and maintenance of equipment to ensure accurate and reliable results.

Submit
24. When removing a manual valve from a fuel pipeline, which bolts on the valve should you loosen first to drain the fuel into a drip pan?

Explanation

When removing a manual valve from a fuel pipeline, loosening the bolts on the bottom of the valve first allows the fuel to drain into a drip pan. This is because the bottom of the valve is the lowest point, and loosening those bolts will create an opening for the fuel to flow out. By starting with the bottom bolts, the fuel can be effectively drained before removing the valve completely.

Submit
25. What two units supplement active duty units to create a major force in worldwide deployments to meet mission requirements?

Explanation

The Air National Guard and Air Force Reserve units supplement active duty units to create a major force in worldwide deployments to meet mission requirements. These reserve components provide additional personnel and resources to support active duty forces in various operations and missions. Their involvement enhances the overall capabilities and effectiveness of the military in fulfilling its mission objectives.

Submit
26. What work has a lower priority than the recurring work program?

Explanation

Routine work has a lower priority than the recurring work program. This is because routine work refers to tasks that are performed regularly and are considered to be less urgent or important. On the other hand, the recurring work program includes tasks that are repeated at specific intervals and are given higher priority. Therefore, routine work is given a lower priority as it can be done later or may not require immediate attention compared to the recurring work program.

Submit
27. What is used to remove ice from a manhole cover?

Explanation

Nonsparking tools are used to remove ice from a manhole cover because they are specifically designed to minimize the risk of generating sparks. Manhole covers are often located in areas where flammable gases or liquids may be present, so using tools that do not produce sparks helps to prevent potential explosions or fires.

Submit
28. What is the name of the special tool designed to reach the hex jamnut beneath a fixture?

Explanation

A basin wrench is a special tool that is designed specifically to reach and tighten or loosen hex jamnuts that are located beneath a fixture, such as a sink or a toilet. It has a long handle with a pivoting jaw at one end, which allows it to easily access and grip the nut in tight spaces. This makes it the ideal tool for working on plumbing fixtures where a regular wrench or adjustable wrench may not be able to reach or provide enough leverage.

Submit
29. How much solder is needed to solder a ½-inch connection?

Explanation

The question is asking for the amount of solder needed to solder a 1/2-inch connection. The correct answer is 1/2 inch because the question specifically states that the connection is 1/2 inch. Therefore, the amount of solder needed would be equal to the length of the connection.

Submit
30. When using a lever-type tubing bender, you can make angles up to how many degrees?

Explanation

When using a lever-type tubing bender, it is possible to make angles up to 180 degrees. This means that the tubing can be bent in a complete U-shape or even bent back on itself. The lever-type tubing bender provides enough leverage and control to achieve this maximum angle.

Submit
31. What is a method where a group of individuals simultaneously contribute ideas to solve a problem?

Explanation

Brainstorming is a method where a group of individuals simultaneously contribute ideas to solve a problem. It involves open and free-flowing discussions, encouraging all participants to share their thoughts and suggestions without any judgment or criticism. This approach allows for a wide range of ideas to be generated, fostering creativity and innovation within the group. By collectively brainstorming, the group can explore different perspectives and potential solutions to address the problem at hand.

Submit
32. Why do you slightly open a butterfly valve before relieving the line pressure?

Explanation

When relieving line pressure, it is important to slightly open a butterfly valve before doing so in order to equalize the pressure on both sides of the valve. This is necessary to prevent sudden pressure differentials which could cause damage to the valve or other components in the system. By gradually opening the valve, the pressure can be released in a controlled manner, allowing for a smooth equalization of pressure on both sides.

Submit
33. What can you use as a substitute for soapy water when leak-testing pipe during freezing weather?

Explanation

Linseed oil can be used as a substitute for soapy water when leak-testing pipes during freezing weather. It is a type of oil that is derived from flax seeds and has a thick consistency. When applied to the pipes, it forms a protective layer that can help detect any leaks or cracks. Additionally, linseed oil has a low freezing point, making it suitable for use in cold temperatures.

Submit
34. When restoring a wet-pipe sprinkler system, any trapped air can be bled off by

Explanation

When restoring a wet-pipe sprinkler system, any trapped air can be bled off by using the inspector's test valve. This valve is specifically designed to release air from the system and ensure proper water flow. By opening the inspector's test valve, any trapped air can escape, allowing water to flow freely through the system. This helps to prevent any potential blockages or malfunctions in the sprinkler system.

Submit
35. As a member of a Prime BEEF team, what minimum items are required in your personal deployment bag?

Explanation

The minimum items required in a personal deployment bag as a member of a Prime BEEF team are standard clothing and accessories. This includes items such as uniforms, underwear, socks, boots, hats, gloves, and any other necessary clothing items. These items are essential for personal comfort and protection during deployment.

Submit
36. What is based on how well you fulfill your customer's needs?

Explanation

Customer satisfaction is based on how well you fulfill your customer's needs. It refers to the level of satisfaction that a customer experiences after using a product or service. When you meet or exceed their expectations and fulfill their needs effectively, it leads to customer satisfaction. This is important for businesses as it can lead to customer loyalty, repeat business, and positive word-of-mouth recommendations.

Submit
37. What part of the dash 4 takes all equipment components and categorizes them with components that are similar?

Explanation

The group assembly parts list is the part of the dash 4 that takes all equipment components and categorizes them with components that are similar.

Submit
38. After you have taken all hydrate readings, you should shut down the hydrants slowly to

Explanation

Shutting down the hydrants slowly after taking all hydrate readings helps prevent surges in pressure. This is important because sudden changes in pressure can cause damage to the pipes or infrastructure of the system. By shutting down the hydrants slowly, the pressure is gradually released, reducing the likelihood of surges that could potentially cause harm.

Submit
39. What should you do if an oxygen-deficient condition is present in a manhole?

Explanation

If an oxygen-deficient condition is present in a manhole, it means that there is not enough oxygen for a person to breathe safely. In such a situation, it is crucial to take immediate action to prevent suffocation or other health hazards. Ventilating the manhole by introducing fresh air can help restore the oxygen levels to a safe level. Alternatively, using a self-contained breathing apparatus (SCBA) can provide the individual with a source of oxygen independent of the surrounding environment. Both options are appropriate responses to ensure the safety and well-being of individuals in an oxygen-deficient manhole.

Submit
40. Who schedules and coordinates Air National Guard and Air Force Reserve Command training deployments to support active MAJCOM requirements and Joint Chiefs of Staff exercises?

Explanation

HQ AFCESA, or Headquarters Air Force Civil Engineer Support Agency, schedules and coordinates Air National Guard and Air Force Reserve Command training deployments to support active MAJCOM requirements and Joint Chiefs of Staff exercises. As the agency responsible for civil engineer support to the Air Force, HQ AFCESA plays a crucial role in ensuring effective training and coordination between different Air Force units and commands. The Secretary of Defense, unit commander, and gaining agency may have involvement in the process, but the primary responsibility lies with HQ AFCESA.

Submit
41. What is a tabulated list showing name, description, quantity, and cost of different items?

Explanation

A bill of materials is a tabulated list that provides detailed information about the name, description, quantity, and cost of different items. It is commonly used in manufacturing and construction industries to ensure accurate planning, estimating, and ordering of materials needed for a project. This document helps in tracking and managing inventory, calculating costs, and ensuring that all necessary components are included in the production or construction process.

Submit
42. What is the cause of electric shock?

Explanation

Electric shock occurs when an electric current passes through the human body. When a person comes into contact with a source of electricity, such as a live wire, the current flows through their body, causing an electric shock. The severity of the shock depends on factors such as the amount of current, the duration of exposure, and the path the current takes through the body. Electric shock can result in various injuries, ranging from minor burns to cardiac arrest or even death.

Submit
43. What three views are used in working sketches?

Explanation

The three views used in working sketches are top, side, and isometric. Top view provides a plan view of the object from above, side view shows the object from the side, and isometric view presents a three-dimensional representation of the object, showing all three dimensions (length, width, and height) in a single view. These three views are commonly used in engineering and technical drawings to provide a comprehensive understanding of the object's shape and dimensions.

Submit
44. When diluting acid with water, always add the acid slowly to the water while stirring to

Explanation

Diluting acid with water slowly while stirring helps to reduce splattering. When acid is added to water slowly, it allows for better mixing and prevents the formation of large splashes or bursts of acid. This reduces the risk of acid burns on the skin and clothing. By adding the acid slowly and stirring, the acid is evenly distributed in the water, minimizing the chances of any concentrated acid coming into contact with the skin or clothing.

Submit
45. Who must be notified anytime a water main is turned off?

Explanation

The fire department must be notified anytime a water main is turned off because they rely on a steady water supply to effectively respond to fires and emergencies. By notifying the fire department, they can be prepared to make any necessary adjustments to ensure they have access to water when needed. This is crucial for their ability to protect and save lives, as well as minimize property damage during fire incidents.

Submit
46. How many times are pipes in the water systems tested?

Explanation

The correct answer is twice, after rough-in and after fixtures are installed. This means that pipes in the water systems are tested once after the rough-ins are installed, and then again after the fixtures are installed. This ensures that any potential issues or leaks are identified and addressed at different stages of the installation process. Testing the pipes at both of these stages helps to ensure the overall functionality and safety of the water system.

Submit
47. A RED HORSE unit deploys with virtually all support necessary to support what function(s)?

Explanation

The RED HORSE unit is deployed with virtually all support necessary for force beddown and expedient construction. This means that they have the resources and capabilities to establish and set up a base of operations quickly and efficiently. They are able to provide the necessary infrastructure and facilities for military forces to operate effectively in a new location. This includes constructing temporary structures, establishing utilities, and ensuring the logistical needs of the deployed forces are met.

Submit
48. Galvanization provides a pipe with what benefit?

Explanation

Galvanization is a process in which a protective layer of zinc is applied to the surface of a metal, such as a pipe. This zinc coating acts as a barrier between the pipe and its surrounding environment, preventing corrosion. Therefore, galvanization reduces the likelihood of the pipe being corroded, which can lead to leaks, damage, and a shorter lifespan.

Submit
49. What fitting joins pipes so they can be taken apart later?

Explanation

A union is a type of fitting that is used to join pipes together in a way that allows them to be easily taken apart later. It consists of two threaded ends that can be screwed onto the pipes, and a central nut that can be tightened to create a secure connection. When the pipes need to be disconnected, the nut can be loosened, allowing the pipes to be separated without causing any damage.

Submit
50. How do street elbows differ from standard elbows?

Explanation

Street elbows differ from standard elbows because they have one female and one male end. This means that one end of the street elbow has a threaded opening (female) while the other end has a threaded protrusion (male). This design allows for easy connection and alignment of pipes or fittings in plumbing or piping systems. On the other hand, standard elbows typically have either male threads, tapered threads, or recessed threads, but not a combination of female and male ends like street elbows.

Submit
51. When cutting tubing with a tubing cutter, how far do you turn the handle after each revolution?

Explanation

When cutting tubing with a tubing cutter, it is recommended to turn the handle 1/4 turn after each revolution. This allows for a gradual and controlled cut, preventing any damage to the tubing. Turning the handle 1/8 turn may not provide enough rotation to effectively cut through the tubing, while turning it 1/2 turn or 1 full turn may result in an uneven or jagged cut. Therefore, a 1/4 turn after each revolution is the most suitable option for cutting tubing with a tubing cutter.

Submit
52. What is the purpose of oiling while threading steel pipe?

Explanation

Oiling while threading steel pipe prevents the dies and threads from overheating and becoming damaged. The oil acts as a lubricant, reducing friction and heat generated during the threading process. This helps to preserve the integrity of the dies and threads, preventing them from wearing out or getting damaged due to excessive heat. By using oil, the threading operation can be carried out smoothly and efficiently, ensuring the quality and longevity of the threaded steel pipe.

Submit
53. What type of wet, detergent-soaked cloth do you wipe polyethylene pipe with to remove static discharge?

Explanation

Cotton is the correct answer because it is a natural fiber that is commonly used for cleaning and wiping surfaces. It is gentle enough to not damage the polyethylene pipe, yet effective in removing static discharge due to its absorbent properties. Rayon, tweed, and polyester are not typically used for this purpose and may not be as effective or suitable for cleaning the pipe.

Submit
54. The Primary purpose of Tier 3, Silver Flag, training is for students to show their ability to perform what type of tasks in a team environment?

Explanation

Tier 3, Silver Flag, training is designed to assess students' ability to perform critical contingency tasks in a team environment. This type of training focuses on preparing students for high-stress, high-risk situations that may occur during a contingency operation. It tests their skills in problem-solving, decision-making, and teamwork under challenging conditions. The primary purpose of this training is to ensure that students are capable of effectively responding to and managing critical situations that may arise during contingency operations.

Submit
55. How often do you check hydraulic shoring for leaking hoses or broken connections?

Explanation

The correct answer is "Once per shift" because checking hydraulic shoring for leaking hoses or broken connections is essential for ensuring the safety and functionality of the equipment. By checking it once per shift, any potential issues can be identified and addressed promptly, reducing the risk of accidents or malfunctions. Regular inspections also help in maintaining the efficiency and longevity of the hydraulic shoring system.

Submit
56. Which government department is required by law to develop and enforce minimum safety regulations for the transportation of gases by pipeline?

Explanation

The Department of Transportation is required by law to develop and enforce minimum safety regulations for the transportation of gases by pipeline. This department is responsible for regulating and overseeing various aspects of transportation in the United States, including pipelines. They work to ensure the safe and efficient transportation of goods and people, and in this case, they specifically focus on setting safety standards for the transportation of gases through pipelines.

Submit
57. As a minimum, what percentage of core and critical items must you complete before you are awarded your skill level?

Explanation

In order to be awarded your skill level, you must complete 100% of the core and critical items. This means that you cannot receive your skill level unless you have finished all of the required tasks and items that are considered essential and important for that particular skill level.

Submit
58. Pipe die sets consist of a

Explanation

Pipe die sets consist of three components: a handle, holder, and die set. The handle is used to grip and rotate the die set, while the holder holds the pipe securely in place during the threading process. The die set contains the actual cutting dies that are used to create the threads on the pipe. All three components work together to ensure a precise and efficient threading operation.

Submit
59. What contains a detailed description of the work, where to perform the work, and a point of contact (POC)?

Explanation

A work request contains a detailed description of the work that needs to be performed, including information on where the work needs to be done and who to contact for further instructions or clarification. It serves as a formal document that outlines the specific requirements and expectations for a particular job or task.

Submit
60. What publication is the basis for all Prime BEEF training?

Explanation

The correct answer is AFI 10–210, Prime Base Engineer Emergency Force (BEEF) Program. This publication serves as the basis for all Prime BEEF training, providing guidelines and procedures for the program. It outlines the roles and responsibilities of personnel involved in Prime BEEF operations and establishes the standards for training and readiness.

Submit
61. What is the smallest unit of an element?

Explanation

An atom is the smallest unit of an element. It is composed of a nucleus, which contains protons and neutrons, and is surrounded by electrons. Molecules, on the other hand, are formed when two or more atoms chemically combine. The nucleus and electron are components of an atom, but they are not the smallest unit of an element. Therefore, the correct answer is atom.

Submit
62. What section in Civil Engineer monitors and controls the flow of material to the CE shops?

Explanation

The section in Civil Engineering that monitors and controls the flow of material to the CE shops is Material control. This section is responsible for managing and overseeing the inventory of materials, ensuring that the necessary materials are available when needed, and controlling the distribution of materials to the CE shops. They play a crucial role in maintaining an efficient and organized workflow within the department.

Submit
63. The anode rod is installed in the top of water heaters to prevent corrosion

Explanation

The anode rod is installed in the top of water heaters to prevent corrosion inside the tank. The anode rod is made of a more reactive metal than the tank itself, such as magnesium or aluminum. When the water heater is filled with water, the anode rod attracts and collects corrosive elements that would otherwise attack and deteriorate the tank. This sacrificial action of the anode rod helps to extend the lifespan of the water heater by protecting the tank from rust and corrosion.

Submit
64. What type of fire suppression system has closed heads, is full of water, and under pressure at all times?

Explanation

A wet pipe fire suppression system has closed heads, is full of water, and under pressure at all times. This means that the system is always ready to release water immediately when a fire is detected. Unlike a dry pipe system, which is filled with pressurized air or nitrogen and requires additional time to fill with water before it can suppress a fire, a wet pipe system is constantly filled with water, making it a more efficient and immediate response to fire emergencies. A deluge system, on the other hand, releases a large volume of water simultaneously over a large area, while a foam system uses foam as the suppressant agent.

Submit
65. The Air Force comprehensive plan is comprised of four basic parts: general plan, component plans, special plans and studies, and

Explanation

The Air Force comprehensive plan includes maps as one of its four basic parts. Maps are essential for planning and strategizing military operations, as they provide visual representations of terrain, resources, and potential obstacles. They help in understanding the geographical layout of an area, identifying key locations, and determining the best routes for missions. Maps are crucial for effective decision-making and coordination within the Air Force.

Submit
66. The extinguisher system that provides the same general protection similar to that of the foam-water system is the

Explanation

The deluge system provides the same general protection similar to that of the foam-water system. In a deluge system, all sprinkler heads are open, and water is constantly flowing through them. When a fire is detected, the deluge valve opens, releasing a large amount of water onto the entire protected area. This system is commonly used in high hazard areas such as chemical storage facilities or power plants, where rapid fire suppression is necessary. Unlike other systems, the deluge system does not require heat activation of individual sprinkler heads, providing a faster response to fire emergencies.

Submit
67. What are the two types of backflow?

Explanation

Backsiphonage and backpressure are the two types of backflow. Backsiphonage occurs when there is a negative pressure in the plumbing system, causing the contaminated water to be drawn back into the clean water supply. Backpressure, on the other hand, happens when there is higher pressure in the plumbing system compared to the clean water supply, causing the contaminated water to flow back into the clean water supply. Both types of backflow can lead to the contamination of the clean water supply, posing health risks.

Submit
68. The vertical space between the supply line and the flood level rim must be at least

Explanation

The vertical space between the supply line and the flood level rim must be at least two times the diameter of the supply pipe. This is important to prevent backflow of contaminated water into the supply line. By having a sufficient vertical space, any potential backflow will be prevented from reaching the flood level rim, thus ensuring the safety and cleanliness of the water supply.

Submit
69. What happens when an individual planning a job orders the incorrect material by mistake?

Explanation

If an individual planning a job orders the incorrect material by mistake, civil engineering must accept the material, even if it can't be used for that job. This suggests that civil engineering is responsible for managing and handling the materials, regardless of any errors made during the ordering process. It implies that the individual who planned the job cannot refuse or return the incorrect material, but must find a way to work with it or find an alternative use.

Submit
70. CerTest is a powerful training management tool used to measure what elements?

Explanation

CerTest is a powerful training management tool used to measure strengths and weaknesses. This means that it helps in assessing and evaluating the areas where individuals excel and where they may need improvement. By identifying strengths, organizations can leverage them for better performance, while weaknesses can be addressed through targeted training and development programs. CerTest allows for a comprehensive analysis of an individual's capabilities and provides valuable insights for effective training management.

Submit
71. What do you do to a base utility map any time you make a change in a utility system?

Explanation

Whenever a change is made in a utility system, the correct action to take with a base utility map is to note the changes on the prints and notify engineering for updates. This ensures that the utility map remains accurate and up-to-date, allowing for effective planning and decision-making regarding the utility system. Modifying the original prints or discarding the old prints can lead to confusion and inaccuracies in the utility map. Therefore, the best practice is to document any changes and inform engineering for proper updates.

Submit
72. What propels the nozzle of a jet rodder throughout the length of a sewer line?

Explanation

The reverse jet action of the nozzle propels the nozzle of a jet rodder throughout the length of a sewer line. This means that the water is expelled from the nozzle in a backward direction, creating a force that pushes the nozzle forward. This action allows the jet rodder to effectively clean and clear the sewer line by moving through it.

Submit
73. When threading a fitting on a pipe, what happens if you overtighten a fitting?

Explanation

When a fitting is overtightened on a pipe, it causes the fitting to stretch. This stretching can lead to the joint between the fitting and the pipe becoming weakened, resulting in leaks. Therefore, the correct answer is that the fitting stretches and the joint leaks.

Submit
74. Which metric prefix equals 1,000?

Explanation

The metric prefix "kilo" represents a factor of 1,000. It is commonly used to denote a thousand times the base unit. For example, kilogram represents 1,000 grams and kilometer represents 1,000 meters. Therefore, the correct answer is "Kilo" as it is the prefix that equals 1,000.

Submit
75. The drain cock with a hose connection at the bottom of a water heater is primarily used to

Explanation

The drain cock with a hose connection at the bottom of a water heater is primarily used to flush sediment out of the heater. Over time, sediment can build up in the bottom of the water heater tank, which can reduce its efficiency and potentially cause damage. By attaching a hose to the drain cock and opening it, the sediment can be flushed out of the tank, helping to maintain the heater's performance and prolong its lifespan.

Submit
76. Who must be the last person to sign the entry permit after all conditions are met?

Explanation

The entry supervisor must be the last person to sign the entry permit after all conditions are met because they are responsible for ensuring that all necessary safety measures are in place before allowing anyone to enter a restricted area. They have the authority to grant or deny access based on their assessment of the situation, making them the final decision-maker in the process. The chief of ground safety, fire department chief, and commander may also have important roles in the permitting process, but the entry supervisor is specifically responsible for signing off on the permit.

Submit
77. Who may reclassify a permit-required confined space to a non-permit confined space at the time of entry if testing shows the space to be free of all hazards?

Explanation

The Entry Supervisor may reclassify a permit-required confined space to a non-permit confined space at the time of entry if testing shows the space to be free of all hazards. They are responsible for overseeing the entry operations and ensuring that all necessary safety measures are in place. If testing confirms that the space is hazard-free, the Entry Supervisor has the authority to reclassify it and allow entry without a permit.

Submit
78. What term is used to describe the process of storing hazardous waste prior to disposal?

Explanation

Hazardous waste accumulation refers to the process of storing hazardous waste before it is disposed of. This term describes the practice of collecting and accumulating hazardous waste in a designated area or facility, following proper safety protocols, until it can be properly disposed of or treated. It is an important step in the management of hazardous waste to ensure that it is stored securely and safely to prevent any potential harm to the environment or human health.

Submit
79. What gas survey is the most expensive and time-consuming?

Explanation

A barhole gas survey is the most expensive and time-consuming among the options provided. This type of survey involves drilling holes into the ground to collect gas samples and analyze them for potential hazards. It requires specialized equipment, skilled personnel, and careful planning, which contribute to its high cost and time requirements. Flame ionization and gas detection surveys involve detecting and measuring gas concentrations, while vegetation surveys focus on studying plant life. Therefore, barhole gas survey stands out as the most resource-intensive option.

Submit
80. When using a file, in which direction do you file from the cutting edge to prevent injury in case the file slips?

Explanation

When using a file, filing away from the cutting edge is the correct direction to prevent injury in case the file slips. Filing towards the cutting edge or horizontally to the cutting edge can increase the risk of the file slipping and causing injury. By filing away from the cutting edge, any slipping or accidental movement of the file will be directed away from the user, reducing the chances of injury.

Submit
81. What may happen if a sewer pipe is laid with a fall greater than ¼ inch per foot?

Explanation

If a sewer pipe is laid with a fall greater than ¼ inch per foot, the wastewater will run away from the solids instead of carrying them along. This can eventually lead to blockages or stoppages in the sewer system as the solids settle in low spots.

Submit
82. What is the name of a short piece of pipe with a hub on one end and a straight cut or 45° cut on the other that is used to tap into a sewer main?

Explanation

A thimble is a short piece of pipe with a hub on one end and a straight cut or 45° cut on the other that is used to tap into a sewer main.

Submit
83. What is critical when dealing with a victim in shock?

Explanation

When dealing with a victim in shock, maintaining their body temperature is critical. Shock can cause a drop in body temperature, leading to further complications. By ensuring that the victim is kept warm, their body can better regulate its functions and prevent further deterioration. This can be done by covering them with blankets or providing warm clothing.

Submit
84. What are the primary means of inspecting and maintaining the sewer system?

Explanation

Manholes are the primary means of inspecting and maintaining the sewer system. They provide access points to the underground sewer pipes, allowing workers to enter and inspect the system for any blockages, damages, or maintenance needs. Manholes also serve as ventilation points and facilitate the cleaning and clearing of the sewer lines. They are crucial for regular maintenance and ensuring the proper functioning of the sewer system.

Submit
85. When threading steel pipe with a hand threader, how often do you apply oil to the pipe dies?

Explanation

When using a hand threader to thread steel pipe, it is important to apply oil to the pipe dies every two or three downward strokes of the die handle. This is necessary to lubricate the dies and prevent them from becoming damaged or causing excessive friction. Regularly applying oil ensures smoother threading and prolongs the life of the dies. It also helps to maintain the quality and accuracy of the threads being cut.

Submit
86. Which shower/bath mixing valve is sensitive to both temperature and pressure?

Explanation

A thermostatic mixing valve is sensitive to both temperature and pressure. This valve is designed to maintain a constant water temperature by adjusting the hot and cold water flow based on the desired temperature set by the user. It also has a mechanism to regulate the pressure of the water, ensuring a consistent flow regardless of any fluctuations in the water supply pressure. Therefore, a thermostatic mixing valve is the correct answer as it is specifically designed to be sensitive to both temperature and pressure.

Submit
87. Chlorine residual is also called

Explanation

Free available chlorine refers to the amount of chlorine in water that is not combined with any other substances and is available for disinfection. It is the chlorine that is actively killing bacteria and other microorganisms in the water. Combined chlorine, on the other hand, refers to chlorine that has reacted with organic matter and is no longer effective for disinfection. Complex chlorine is not a commonly used term in water treatment and total available chlorine refers to the sum of both free and combined chlorine. Therefore, the correct answer is free available chlorine.

Submit
88. Slight bending of polyethylene piping is allowed as long as it does not

Explanation

Slight bending of polyethylene piping is allowed as long as it does not cause the piping to crimp. Crimping can lead to restricted flow or even blockage of the pipe, which can disrupt the proper functioning of the system. It is important to ensure that the piping remains smooth and free from any deformities that could hinder the flow of fluids or gases.

Submit
89. What are the two most commonly used flushometer valves?

Explanation

The two most commonly used flushometer valves are piston and diaphragm. These valves are used in plumbing systems to control the flow of water in toilets and urinals. The piston valve operates by using a piston to control the flow of water, while the diaphragm valve uses a flexible diaphragm to regulate the water flow. Both of these valves are widely used due to their reliability and effectiveness in controlling water flow.

Submit
90. Asbestos poses the greatest risk when it is

Explanation

When asbestos is released into the air, it becomes airborne and can easily be inhaled by individuals. Inhalation of asbestos fibers is extremely dangerous as it can lead to serious health issues such as lung cancer, mesothelioma, and asbestosis. Once inhaled, these fibers can get trapped in the lungs and cause long-term damage. Therefore, releasing asbestos into the air poses the greatest risk compared to other options mentioned.

Submit
91. A confined space is classified by its

Explanation

A confined space is classified by its oxygen content, flammability, and toxicity. This means that when determining if a space is considered confined, all three factors need to be taken into account. The oxygen content is important to ensure that there is enough oxygen for breathing, while flammability and toxicity are crucial to assess the potential risks and hazards present in the space. By considering all three factors, proper precautions and safety measures can be implemented to protect individuals working in confined spaces.

Submit
92. What are the two basic categories of publications?

Explanation

The two basic categories of publications are directive and non-directive. Directive publications provide specific instructions or guidelines on how to perform certain tasks or activities. They are usually used in fields such as engineering, medicine, or law, where precise and standardized procedures are necessary. Non-directive publications, on the other hand, provide information or knowledge without giving specific instructions. They can include books, articles, or reports that aim to educate, inform, or entertain the reader without providing step-by-step guidance.

Submit
93. When installing a compression coupling, why do you dig the area out to give you as much flexibility with the pipe?

Explanation

Digging out the area around the pipe when installing a compression coupling allows for easy installation because it provides more flexibility with the pipe. This extra space allows for easier maneuvering and positioning of the coupling onto the pipe, making the installation process smoother and more efficient.

Submit
94. How often do personnel who work with hazardous waste repeat training after their initial hazardous waste training?

Explanation

Personnel who work with hazardous waste are required to repeat their training annually. This ensures that they stay updated with the latest safety protocols and regulations related to handling hazardous waste. Regular training helps to reinforce their knowledge and skills, and helps to prevent any accidents or incidents that may occur due to negligence or lack of awareness. By undergoing annual training, personnel can maintain a high level of competence and ensure the safe management of hazardous waste.

Submit
95. What is used in a dry pipe sprinkler system to keep the clapper seated?

Explanation

In a dry pipe sprinkler system, the clapper is kept seated by air pressure. Unlike in a wet pipe system where water is constantly present in the pipes, a dry pipe system contains pressurized air. When a fire is detected and a sprinkler head is activated, the air pressure is released, allowing water to flow into the pipes and extinguish the fire. The air pressure keeps the clapper closed, preventing water from entering the pipes until it is needed.

Submit
96. When inspecting a dry pipe sprinkler system, record and compare to previous readings the air and water pressures and

Explanation

When inspecting a dry pipe sprinkler system, it is important to record and compare the air and water pressures as well as the temperature. Temperature is a crucial factor to consider because it can affect the performance and functionality of the sprinkler system. Fluctuations in temperature can cause the pipes to expand or contract, potentially leading to leaks or bursts. By monitoring and comparing the temperature readings during inspections, any significant changes can be identified and necessary adjustments or repairs can be made to ensure the system operates effectively.

Submit
97. What document identifies education and training requirements for each career field and serves as a road map for career progression.

Explanation

The Career Field Education and Training Plan is the document that identifies education and training requirements for each career field and serves as a road map for career progression. It outlines the necessary training and education that individuals need to complete in order to advance in their chosen career field. This plan helps individuals understand the specific qualifications and skills they need to acquire in order to succeed in their career and provides a clear path for career development and advancement.

Submit
98. What type of device is the most positive (non-mechanical) against backflow?

Explanation

An air gap is the most positive (non-mechanical) device against backflow because it creates a physical separation between the water supply and potential contaminants. It is a vertical gap between the water outlet and the flood level rim of a fixture, ensuring that water cannot flow back into the supply system. This method is highly effective in preventing backflow and is commonly used in plumbing systems to protect against contamination.

Submit
99. What must you do to complete a task item in instances where required equipment is not available?

Explanation

To complete a task item in instances where required equipment is not available, one must complete the Air Force qualification training package and CerTest. This suggests that the individual needs to undergo specific training and testing to demonstrate their competence and qualification in handling the equipment. This ensures that they have the necessary knowledge and skills to complete the task even without the actual equipment.

Submit
100. When an Air National Guard or Air Force Reserves RED HORSE unit mobilizes, to whom does the unit directly report?

Explanation

When an Air National Guard or Air Force Reserves RED HORSE unit mobilizes, the unit directly reports to the gaining MAJCOM. The gaining MAJCOM is responsible for overseeing the operational control and deployment of the unit. This ensures that the unit is properly integrated into the overall mission and chain of command during their mobilization. The deployed Base Civil Engineer, Air Reserve commander, and Ingarrison commander may have roles and responsibilities related to the unit's deployment, but the gaining MAJCOM is the ultimate authority to which the unit reports.

Submit
101. What are the two classes of drainage piping?

Explanation

The two classes of drainage piping are soil and waste. Soil pipes are used to carry sewage and wastewater from toilets, while waste pipes are used to carry waste from sinks, showers, and other appliances. This classification is based on the type of material being transported through the pipes and helps in proper disposal and management of different types of waste.

Submit
102. What is the weight of one gallon of water?

Explanation

One gallon of water weighs 8.34 lbs. This is because water has a density of 8.34 lbs per gallon. Density is the measure of how much mass is contained in a given volume, and in the case of water, this translates to 8.34 lbs for every gallon.

Submit
103. What is simply a material list required to complete a job?

Explanation

A Bill of Material (BOM) is simply a material list required to complete a job. It provides a detailed breakdown of all the materials, components, and quantities needed for a specific project or task. The BOM helps in planning and organizing the procurement and assembly process by ensuring that all the necessary materials are available and accounted for. It is an essential document in manufacturing, construction, and other industries where accurate material management is crucial for successful project completion.

Submit
104. What type packing is most commonly used on globe valves?

Explanation

Teflon string is the most commonly used packing on globe valves. Teflon, also known as PTFE (polytetrafluoroethylene), is a synthetic material that is resistant to high temperatures and chemicals. It has low friction properties, making it an ideal choice for creating a tight seal between the valve stem and the packing gland. Teflon string packing is durable and long-lasting, providing reliable performance in various industrial applications.

Submit
105. Which method is the least likely means of industrial exposure of toxic chemicals?

Explanation

Swallowing is the least likely means of industrial exposure to toxic chemicals because it is not a common route of entry for chemicals in an industrial setting. Industrial exposure typically occurs through inhalation of vapors or gases, absorption through the skin, or penetration through the hair follicles. Swallowing chemicals is less likely because it requires the individual to intentionally consume the toxic substance, which is not a common occurrence in an industrial environment.

Submit
106. The hazardous waste program consists of what two inspections of hazardous waste activities?

Explanation

The hazardous waste program consists of two types of inspections: scheduled and unscheduled. Scheduled inspections are planned in advance and are conducted at regular intervals to ensure compliance with regulations and proper handling of hazardous waste. Unscheduled inspections, on the other hand, are conducted randomly and without prior notice to check for any violations or potential hazards. These inspections help to ensure that hazardous waste activities are being carried out safely and in accordance with the law.

Submit
107. What equipment is used to do a line-walking gas leak survey?

Explanation

A flame ionization gas leak detector is used to perform a line-walking gas leak survey. This equipment is specifically designed to detect and measure the presence of combustible gases in the atmosphere. It works by utilizing a flame and ionization process to detect the ions produced by the combustion of gases. This detector is highly sensitive and can accurately identify even small leaks of flammable gases, making it an essential tool for identifying and preventing gas leaks.

Submit
108. What term means having a relationship based on mutual trust?

Explanation

Rapport refers to a relationship built on mutual trust and understanding. It involves a sense of connection, harmony, and mutual respect between individuals. When there is rapport, there is a level of comfort and ease in communication, allowing for effective collaboration and cooperation. This term implies a strong bond and a positive connection between people, making it the most suitable answer for the question.

Submit
109. What are the two types of cross connection?

Explanation

The correct answer is direct or indirect. Cross connections can occur in a plumbing system when there is a connection between the potable water supply and a source of contamination. Direct cross connections are physical connections between the potable water supply and a non-potable source, while indirect cross connections occur when there is a potential for backflow to contaminate the potable water supply. These types of cross connections pose a risk to public health and can lead to the transmission of harmful substances or pathogens into the drinking water system.

Submit
110. Use a basin wrench to reach nuts that are

Explanation

A basin wrench is a specialized tool designed to reach and tighten nuts that are difficult to access. It has a long handle and a pivoting jaw that allows it to maneuver in tight spaces, making it ideal for reaching nuts that are hard to reach. This tool is not used for nuts that are easily reached, attached to the angle stop, or attached to the floor of the fixture.

Submit
111. The proper fall of a house sewer is established by

Explanation

The correct answer is establishing a grade line and then digging the trench to exactly this line. This is because establishing a grade line ensures that the sewer pipe will have the proper slope for effective drainage. By digging the trench to exactly this line, the sewer pipe will be installed at the correct depth and angle, allowing wastewater to flow freely towards the main sewer line or septic tank. This method ensures proper functioning of the house sewer and prevents issues such as blockages or backups.

Submit
112. When administering CPR, what is the ratio of chest compressions to ventilations (rescue breaths)?

Explanation

In CPR, the ratio of chest compressions to ventilations (rescue breaths) is 30 chest compressions to two rescue breaths. This means that after 30 chest compressions, two rescue breaths are given. This ratio allows for effective circulation and oxygenation of the blood during CPR, increasing the chances of successful resuscitation.

Submit
113. When specifications are not available, install the urinal so the lip height is

Explanation

When specifications are not available, the urinal should be installed with the lip height being 20 to 25 inches above the finished floor line. This ensures that the urinal is at a comfortable height for users and allows for proper functionality. Installing it at this height also allows for easy maintenance and cleaning of the urinal.

Submit
114. Which program's objective requires it to develop and maintain a highly skilled, agile military combat support civil engineer force capable of rapid response to support worldwide contingency operations?

Explanation

Prime BEEF is the correct answer because its objective is to develop and maintain a highly skilled, agile military combat support civil engineer force capable of rapid response to support worldwide contingency operations. This program focuses on providing support for construction, repair, and maintenance of infrastructure in various locations, ensuring that the military has the necessary resources and capabilities to respond quickly and effectively to any contingency situation.

Submit
115. What action creates a watertight and airtight seal on a ferruled joint?

Explanation

Tightening the nut crimps the ferrule into the tubing and against the fitting, creating a watertight and airtight seal. This action ensures that the ferrule is securely pressed against both the tubing and the fitting, preventing any leakage of water or air. The crimping action provides a tight and secure connection, ensuring that the joint is sealed effectively.

Submit
116. How many centigrams make one gram?

Explanation

One gram is equal to 100 centigrams. This means that there are 100 centigrams in one gram.

Submit
117. Where should a grease trap be installed?

Explanation

A grease trap should be installed as close to its fixture as possible, preferably outside the building. This is because the grease trap is designed to capture and separate grease and oil from the wastewater before it enters the sewer system. By installing it close to the fixture, it ensures that the grease and oil are captured effectively. Installing it outside the building also helps in easy access for maintenance and cleaning purposes.

Submit
118. What tool is used to stop the flow of gas in polyethylene (PE) pipe?

Explanation

A squeeze tool is used to stop the flow of gas in polyethylene (PE) pipe. This tool is designed to clamp the pipe and create a tight seal, preventing any gas from escaping. It applies pressure to the pipe, effectively stopping the flow and allowing for repairs or maintenance to be done safely. The other options listed, such as alignment jog, depth gauge, and cold ring, are not specifically used for stopping the flow of gas in PE pipes.

Submit
119. When using a torch to thaw frozen pipes near wooden structures, you must isolate the area with a

Explanation

Using a torch to thaw frozen pipes near wooden structures can be dangerous as it can potentially cause a fire. A heat shield is necessary in this situation to protect the surrounding area from the direct heat of the torch. The heat shield acts as a barrier, preventing the heat from reaching the wooden structures and reducing the risk of fire. It is important to isolate the area with a heat shield to ensure the safety of the surrounding environment.

Submit
120. What provides a Prime BEEF unit with a listing of items to carry when it deploys?

Explanation

The Equipment and Supplies Listing provides a Prime BEEF unit with a comprehensive list of items that they need to carry when they deploy. This list ensures that the unit has all the necessary equipment and supplies required for their mission. It helps in efficient planning and organization of resources, ensuring that nothing important is left behind during deployment.

Submit
121. Which skill level describes an apprentice learning a trade?

Explanation

Skill level 3 describes an apprentice learning a trade. At this level, individuals have some knowledge and experience in the trade but still require guidance and supervision from more experienced professionals. They are in the early stages of their training and are actively developing their skills and competencies. This level is typically associated with entry-level positions and a focus on acquiring practical, hands-on experience.

Submit
122. What is the reason we use elevated storage tanks in a water system?

Explanation

Elevated storage tanks provide cheap pressure in a water system because they utilize gravity to create the necessary pressure for water distribution. By placing the storage tank at an elevated height, the force of gravity allows the water to flow downward with sufficient pressure, eliminating the need for additional pumping systems. This not only reduces the cost of maintaining and operating the water system but also ensures a consistent and reliable water supply.

Submit
123. What is the normal operating pressure of a water distribution system?

Explanation

The normal operating pressure of a water distribution system is typically between 40 to 75 pounds per square inch. This range ensures that there is enough pressure to deliver water to all areas of the distribution system without causing damage to the pipes or fixtures. Pressure below this range may result in inadequate water flow, while pressure above this range can cause leaks, bursts, and other issues within the system. Therefore, maintaining a pressure within the 40 to 75 pounds per square inch range is crucial for the proper functioning of a water distribution system.

Submit
124. What is the desired fall for a 3-inch house sewer?

Explanation

The desired fall for a 3-inch house sewer is 1/4 inch per foot. This means that for every foot of horizontal distance, the sewer pipe should have a downward slope of 1/4 inch. This slope allows for proper drainage and helps prevent blockages and backups in the sewer system.

Submit
125. When should supervisors give safety briefings to new workers?

Explanation

Supervisors should give safety briefings to new workers daily to ensure that they are aware of any potential hazards or safety protocols in the workplace. Daily briefings help to reinforce safety practices and keep workers informed about any changes or updates in safety procedures. By providing daily safety briefings, supervisors can help to create a culture of safety and ensure that new workers are equipped with the knowledge they need to stay safe on the job.

Submit
126. What is the most important reason for backfilling a trench after pipe installation?

Explanation

The most important reason for backfilling a trench after pipe installation is to eliminate a safety hazard if left open. Leaving a trench open can pose a risk to people and vehicles, as they can fall into the trench and get injured. Backfilling the trench ensures that it is properly filled and leveled, eliminating the potential danger. Additionally, backfilling helps to protect the pipe from movement and breakage due to the weight of the backfill load, further enhancing safety and preventing damage to the pipe system.

Submit
127. When does HQ AFCESA conduct a deployment workshop to coordinate requirements with Air National Guard and Air Force Reserve Command units?

Explanation

HQ AFCESA conducts a deployment workshop to coordinate requirements with Air National Guard and Air Force Reserve Command units once every year, specifically in the months of April or May.

Submit
128. Who must ensure all Prime BEEF team members are organized, equipped, and trained to perform their contingency roles?

Explanation

The Civil Engineer commander is responsible for ensuring that all Prime BEEF team members are organized, equipped, and trained to perform their contingency roles. This includes overseeing the preparation and readiness of the team members to effectively carry out their duties in emergency situations.

Submit
129. Where on the studs should you cut holes for water supply pipes?

Explanation

When installing water supply pipes, it is recommended to cut holes in the center of the studs. This ensures that the pipes are properly supported and secured within the wall. Cutting holes in the center also helps to prevent any potential damage to the pipes by avoiding contact with the top or bottom edges of the studs. By placing the holes in the center, it allows for easier access and maintenance of the pipes in the future if needed.

Submit
130. What will gives your supervisor good insight on where you need training the most?

Explanation

CerTest pre-test results will give your supervisor good insight on where you need training the most. These results provide an objective assessment of your knowledge and skills before the training, allowing your supervisor to identify areas where you may be lacking and require additional training. This information can help your supervisor tailor the training program to address your specific needs and ensure that you receive the necessary training in those areas.

Submit
131. How do you repair a water closets leaking flapper?

Explanation

To repair a water closet's leaking flapper, the correct solution is to replace the flapper. The flapper is a rubber valve that controls the flow of water from the tank to the bowl. If it becomes worn or damaged, it can cause leaks. By replacing the flapper with a new one, the seal will be restored, preventing any further leakage.

Submit
132. What type of manual valve can be used to control the flow rate?

Explanation

A globe valve is a type of manual valve that can be used to control the flow rate. It is designed with a movable disk or plug that can be adjusted to regulate the flow of fluid through the valve. The disk or plug is connected to a stem, which can be turned to open or close the valve. By adjusting the position of the disk or plug, the flow rate can be increased or decreased as desired. This makes the globe valve suitable for applications where precise control over the flow rate is required.

Submit
133. When solvent welding plastic pipe, how do you insert the pipe into the fitting?

Explanation

When solvent welding plastic pipe, it is recommended to quickly insert the pipe into the fitting with a one-quarter turning motion. This is because solvent welding involves using a solvent to chemically bond the pipe and fitting together. The one-quarter turning motion helps to evenly distribute the solvent and ensure a secure and strong bond between the pipe and fitting. It is important to do this quickly to prevent the solvent from evaporating before the pipe is fully inserted.

Submit
134. What do your customers measure the services you provide them against?

Explanation

Customers measure the services provided to them against their own personal standards. This means that each customer has their own expectations and criteria for evaluating the quality and effectiveness of the services they receive. These personal standards can vary greatly from one customer to another, depending on their individual needs, preferences, and experiences. Therefore, it is important for businesses to understand and meet these personal standards in order to satisfy their customers and maintain their loyalty.

Submit
135. What is the timetable for completing routine work unless there is a delay due to receiving materials?

Explanation

The timetable for completing routine work is 30 calendar days, unless there is a delay due to receiving materials. This means that under normal circumstances, the routine work should be completed within 30 calendar days. However, if there is a delay in receiving the necessary materials, the completion time may be extended beyond the 30-day timeframe.

Submit
136. Which instrument is used to measure velocity flow from a fire hydrant?

Explanation

A pitot tube is a device that is commonly used to measure the velocity flow of a fluid, such as water, from a fire hydrant. It works by using the principle of Bernoulli's equation, which states that the pressure of a fluid decreases as its velocity increases. The pitot tube has a small opening that faces the fluid flow, allowing it to measure the pressure difference between the stagnation pressure (the pressure of the fluid when it is not flowing) and the dynamic pressure (the pressure of the fluid when it is flowing). By measuring this pressure difference, the pitot tube can accurately determine the velocity flow from the fire hydrant.

Submit
137. What action should you take if you notice a slight leak on a mechanical seal you have just installed?

Explanation

If you notice a slight leak on a mechanical seal you have just installed, the best action to take is to allow reasonable time for the seals to adjust. This is because it is common for newly installed seals to have a slight leakage initially as they need time to settle and adjust to the operating conditions. By allowing reasonable time, the seals may gradually adjust and the leakage may stop on its own without the need for any further action.

Submit
138. Who must sign entries electronically on the 623a, On the Job Continuation Sheet screen?

Explanation

Both you and your supervisor must sign entries electronically on the 623a, On the Job Continuation Sheet screen. This indicates that both you and your supervisor have reviewed and approved the entries made on the form.

Submit
139. If you wish to attend a course that is unfunded, who must determine if the need is great enough to warrant using unit funds to pay for it?

Explanation

The unit training manager must determine if the need for attending an unfunded course is great enough to justify using unit funds to pay for it. This individual is responsible for managing and coordinating the training needs of the unit, including assessing the importance and relevance of different courses. They have the knowledge and expertise to evaluate the value and necessity of the course and make a decision on whether it should be funded or not.

Submit
140. What is the easiest way to make sure you have the most current information in an automated report?

Explanation

Entering the updated information about a job as soon as you complete the work ensures that the automated report will have the most current information. Waiting until the end of the week or until all scheduled work is complete may result in outdated information being included in the report. Similarly, entering the updated information at the end of the duty day may not capture any changes or updates that occur after the duty day is over. Therefore, entering the information immediately after completing the work is the easiest way to ensure the report is up to date.

Submit
141. According to Air Force Policy Directive 32–70, Environmental Quality, who is responsible for actions that have environmental consequences?

Explanation

According to Air Force Policy Directive 32-70, individuals are responsible for actions that have environmental consequences. This means that every individual within the Air Force is accountable for their own actions and the impact it may have on the environment. This emphasizes the importance of personal responsibility and ensuring that each individual takes necessary measures to minimize any negative environmental effects. Supervisors and commanders may also have responsibilities in enforcing and overseeing environmental policies, but ultimately, it is the responsibility of individuals to act in an environmentally responsible manner.

Submit
142. What type of clothing should you wear if you are working with polyethylene (PE) gas pipe?

Explanation

When working with polyethylene (PE) gas pipe, it is important to wear clothing made of cotton or a cotton blend. This is because cotton is a natural fiber that is breathable and can help to prevent static electricity buildup. PE gas pipes are often used for gas distribution, and wearing clothing made of synthetic materials like nylon, rayon, or polyester can increase the risk of static electricity generation. Cotton or cotton blend clothing is therefore the best choice to minimize the risk of accidents or sparks when working with PE gas pipe.

Submit
143. What type of plug valve will be installed downstream from a fuel system filter/separator?

Explanation

A non-lubricated plug valve will be installed downstream from a fuel system filter/separator. This type of valve is commonly used in applications where lubricants or sealants may contaminate the fluid being transported. Since fuel systems require clean and uncontaminated fuel, a non-lubricated plug valve is a suitable choice to prevent any potential contamination from lubricants.

Submit
144. When winterizing a system, what is the first step in draining a water system?

Explanation

The first step in draining a water system when winterizing is to close the main shutoff valve. By closing the main shutoff valve, it prevents any additional water from entering the system and allows for the water to be drained effectively. This step is crucial to ensure that all water is removed from the system to prevent freezing and potential damage during the winter months.

Submit
145. You are now the owner of some chemicals you found on base (FOB). What should be the first thing you do?

Explanation

The correct answer is to contact your hazardous waste manager. This is important because chemicals found on a military base (FOB) can potentially be hazardous and need to be handled properly. The hazardous waste manager is trained to deal with such situations and can provide guidance on how to safely handle and dispose of the chemicals.

Submit
146. 1301 Halon systems will not harm personnel in concentrations below

Explanation

Halon systems are fire suppression systems that use a gas called Halon. This gas is effective in extinguishing fires but can be harmful to humans in high concentrations. The correct answer is 10 percent because it suggests that Halon systems will not harm personnel as long as the concentration of Halon in the air remains below 10 percent. This means that as long as the concentration is kept below this threshold, the use of Halon systems is considered safe for personnel.

Submit
147. The Air Force Civil Engineer Support Agency provides what type of mission support to Air Force installations and civil engineers worldwide?

Explanation

The Air Force Civil Engineer Support Agency provides contingency, operations, and technical support to Air Force installations and civil engineers worldwide. This means that they assist with emergency response and planning for unexpected events, as well as providing support for day-to-day operations and technical expertise in engineering projects. They help ensure that Air Force installations are prepared for contingencies, such as natural disasters or enemy attacks, and provide the necessary operational and technical support to carry out their missions effectively.

Submit
148. When you install an individual vent, how many inches must the vent piping rise above the fixture flood rim before it changes directions?

Explanation

When installing an individual vent, the vent piping must rise at least 6 inches above the fixture flood rim before changing directions. This is important to ensure proper ventilation and prevent any potential backflow or blockages in the plumbing system. By having the vent pipe rise above the flood rim, it allows for the release of sewer gases and helps maintain the proper pressure balance in the system.

Submit
149. What makes Prime BEEF units response times equal to or less than the response times for the aircraft units?

Explanation

Deliberate planning allows Prime BEEF units to have response times equal to or less than the response times for aircraft units. This suggests that Prime BEEF units strategically plan and coordinate their actions in advance, enabling them to respond quickly and efficiently to situations. This could involve pre-positioning resources, developing contingency plans, and ensuring effective communication and coordination among team members. By engaging in deliberate planning, Prime BEEF units can optimize their operations and minimize response times, ultimately enhancing their overall effectiveness in comparison to aircraft units.

Submit
150. What type valve used in fuel systems must operate from fully closed to fully open with a 90 degree rotation?

Explanation

A ball valve is the correct answer because it is a type of valve used in fuel systems that can operate from fully closed to fully open with a 90 degree rotation. This type of valve has a spherical ball with a hole in the middle that can be rotated to control the flow of fuel. When the ball is in the closed position, the hole is perpendicular to the flow, preventing fuel from passing through. As the ball is rotated 90 degrees, the hole aligns with the flow, allowing fuel to pass through.

Submit
151. The primary purpose of periodic testing of water mains for flow and pressure is to ensure that

Explanation

The primary purpose of periodic testing of water mains for flow and pressure is to ensure that sufficient water is available for fire fighting. This testing helps to determine if the water system can provide enough water pressure and flow rate to effectively combat fires. By conducting these tests, authorities can identify any deficiencies in the water supply system and take necessary actions to ensure that an adequate water supply is available for firefighting purposes.

Submit
152. Where would you find out which valves have to be isolated before removing a manual valve from a pipeline?

Explanation

As-built drawings provide a detailed representation of the actual construction of a pipeline, including the location and arrangement of valves. These drawings are typically updated during the construction process to reflect any changes or modifications made to the pipeline. Therefore, by referring to the as-built drawings, one can easily identify the valves that need to be isolated before removing a manual valve from the pipeline. This ensures the safety and integrity of the pipeline system during maintenance or repair activities.

Submit
153. What category of soil requires no shoring?

Explanation

Solid rock requires no shoring because it is a stable and strong material that does not pose a risk of collapsing or shifting. Unlike other types of soil, solid rock does not require additional support or reinforcement to prevent cave-ins or structural failures. Therefore, shoring is not necessary in the case of solid rock.

Submit
154. As a journeyman, you are expected to know assigned duties and perform them in a timely manner with

Explanation

As a journeyman, you are expected to have a certain level of skill and experience in your assigned duties. This means that you should be able to perform your tasks with minimal supervision. While some level of supervision may still be necessary for guidance or clarification, the expectation is that you can work independently and complete your responsibilities with only minimal oversight.

Submit
155. Completion of what training authorizes you to wear the Senior Civil Engineer occupational badge?

Explanation

Completion of the Craftsman course authorizes you to wear the Senior Civil Engineer occupational badge.

Submit
156. What happens to a Recurring Work Program item that does not have a complete indicator?

Explanation

If a Recurring Work Program item does not have a complete indicator, it will remain on the next week's schedule as working. This means that the item will not be closed out automatically or reported to the squadron commander. Instead, it will continue to be included in the schedule for the following week until it is marked as complete.

Submit
157. The Operations flight contains four elements. Included are Material Acquisition, Facility Maintenance, Heavy Repair, and

Explanation

The Operations flight contains four elements: Material Acquisition, Facility Maintenance, Heavy Repair, and Infrastructure Support. Infrastructure Support refers to the support and maintenance of the physical infrastructure of an organization, such as buildings, utilities, and transportation systems. This element ensures that the necessary infrastructure is in place and functioning properly to support the operations of the organization.

Submit
158. What flight does the Water and Fuels Systems Maintenance section fall under?

Explanation

The Water and Fuels Systems Maintenance section falls under the Operations department. This department is responsible for managing and coordinating the day-to-day activities and operations of an organization. The Water and Fuels Systems Maintenance section specifically focuses on the maintenance and management of water and fuel systems, ensuring their proper functioning and availability.

Submit
159. What are the two main hazards of using electrical power tools?

Explanation

The two main hazards of using electrical power tools are fire and shock. Fire can occur due to electrical malfunctions or overheating of the tool, while shock can happen if the user comes into contact with live wires or faulty insulation. Both hazards can cause serious injuries or even death if proper safety precautions are not followed.

Submit
160. What is the smallest increment on most of the tape measures in our trade?

Explanation

The smallest increment on most tape measures in the trade is the sixteenth of an inch. This means that each mark on the tape measure represents 1/16th of an inch, allowing for more precise measurements compared to larger increments such as eighth or thirty-second of an inch.

Submit
161. What do we call your supervisor accounting for all of your time throughout the day?

Explanation

The correct answer is "Inputting labor" because when your supervisor accounts for all of your time throughout the day, they are essentially inputting or recording the amount of labor you have put in. This could involve tracking the hours you worked, the tasks you completed, and any other relevant information related to your work.

Submit
162. Without omitting a step, which arrangement below is in the correct order of modern conventional water treatment?

Explanation

The correct answer is "Coagulation, flocculation, and sedimentation." In the process of modern conventional water treatment, coagulation is the first step where chemicals are added to the water to destabilize the particles. Flocculation follows, where gentle mixing causes the destabilized particles to clump together. Lastly, sedimentation occurs where the clumped particles settle at the bottom of the water. Therefore, the correct order is coagulation, flocculation, and sedimentation.

Submit
163. Chemical drain cleaners are appropriate when the drains are

Explanation

Chemical drain cleaners are suitable for drains that are flowing sluggishly because these cleaners are designed to dissolve and break down any blockages or build-up in the pipes, allowing the water to flow more freely. However, if the drain is completely stopped up or clogged with hair or grease, a chemical drain cleaner may not be effective as it may not be able to fully dissolve or remove the blockage. In such cases, other methods like using a plunger or calling a professional plumber may be necessary.

Submit
164. If you fail the certification test (CerTest) a second time, the program

Explanation

If you fail the certification test a second time, the program locks you out. This means that you will be denied access to the program or system, preventing you from taking the test again or using any features or resources associated with it.

Submit
165. What size pipe wrench do you use on a ¼-inch pipe?

Explanation

A ¼-inch pipe is relatively small in size, so a larger pipe wrench may not be necessary. An 8-inch pipe wrench is a suitable size for this type of pipe because it provides enough leverage and grip to effectively tighten or loosen fittings without being too large or cumbersome.

Submit
166. Who, other than the Environmental Planning Function, determines the final decision to categorically exclude a proposed action concerning a categorical exclusion?

Explanation

The authorized decision-maker, other than the Environmental Planning Function, determines the final decision to categorically exclude a proposed action concerning a categorical exclusion. This means that someone with the authority and responsibility to make decisions has the power to determine whether or not a proposed action should be excluded based on categorical exclusion criteria. The decision-maker may consider various factors and consult with relevant stakeholders before making a final determination.

Submit
167. When an environmental assessment is being prepared and there are no significant impact found, what may a decision maker sign?

Explanation

When an environmental assessment is being prepared and no significant impact is found, the decision maker may sign a "Finding of no significant impact." This means that after evaluating the potential environmental effects of a project, it has been determined that there will be no significant negative impacts on the environment.

Submit
168. When a Prime BEEF member relocates to another duty station or separates from the Air Force, what is the disposition of their AF Form 1098, Special Task Certification and Recurring Training?

Explanation

The correct answer is "Placed in their AF Form 623, Individual Training Record." When a Prime BEEF member relocates or separates from the Air Force, their AF Form 1098, Special Task Certification and Recurring Training, is placed in their AF Form 623, Individual Training Record. This ensures that their training certifications and records are documented and easily accessible for future reference.

Submit
169. How many different basic designs of gate valves are there?

Explanation

There are two different basic designs of gate valves.

Submit
170. A drop tube in a water heater causes incoming cold water to mix with

Explanation

The drop tube in a water heater is designed to ensure that the incoming cold water mixes with the stored hot water in the bottom of the tank. This helps to maintain a consistent temperature throughout the tank and provides a ready supply of hot water when needed. By allowing the cold water to mix with the hot water at the bottom, the drop tube helps to distribute the heat evenly and maximize the efficiency of the water heater.

Submit
171. What is the proper way to tighten the bolts on a full circle clamp?

Explanation

The proper way to tighten the bolts on a full circle clamp is to work from the center out. This method ensures that the clamp is evenly tightened and prevents any imbalance or uneven pressure. Starting from the center and gradually moving towards the outside allows for a more secure and stable tightening of the bolts, ensuring that the clamp is properly secured.

Submit
172. What series of publications guide policy and procedures on all aspects of Air Force civil engineering, including management of real property assets?

Explanation

The 32 series of publications is the correct answer because it specifically guides policy and procedures on all aspects of Air Force civil engineering, including the management of real property assets. This series is likely a comprehensive resource that provides guidance and instructions for Air Force personnel involved in civil engineering projects and the management of real property assets within the Air Force.

Submit
173. What publications do multiple services use that follow the layout of the initial developing branch of service?

Explanation

Joint Use Manuals are publications that are used by multiple services and follow the layout of the initial developing branch of service. These manuals provide standardized procedures and guidelines that can be used by different branches of service, ensuring consistency and interoperability. They are designed to facilitate joint operations and coordination between different services, allowing for efficient and effective collaboration.

Submit
174. The purpose of flushing the foam system is to prevent

Explanation

Flushing the foam system is done to prevent corrosion. Corrosion can occur when there is a buildup of residue or contaminants in the system, which can lead to the degradation of the system components over time. By flushing the system, any potential corrosive substances or particles are removed, reducing the risk of corrosion and ensuring the system operates effectively.

Submit
175. If the water level in the fire hydrant barrel rises after the hydrant is shut off, then

Explanation

If the water level in the fire hydrant barrel rises after the hydrant is shut off, it indicates that there is a leak in the main valve. When the hydrant is shut off, the water flow should stop completely, but if the water level continues to rise, it suggests that there is a fault in the main valve, allowing water to leak through even when it is closed. This could be due to a damaged or worn-out valve, which needs to be repaired or replaced to prevent any further leakage.

Submit
176. One of the factors to consider when sizing the water supply for a building is the type of

Explanation

When sizing the water supply for a building, one of the factors to consider is the type of flush devices. Flush devices, such as toilets and urinals, require a certain amount of water to properly function. Different types of flush devices have different water flow requirements, so understanding the type of flush devices in the building is crucial for determining the appropriate water supply size. This ensures that there is enough water pressure and volume to meet the needs of the flush devices and prevent any issues with water flow or inadequate flushing.

Submit
177. An important technique to use when planning jobs is to

Explanation

Visiting the job site is an important technique to use when planning jobs because it allows the planner to gather firsthand information about the site conditions, layout, and any potential challenges or constraints that may affect the job. By physically being at the job site, the planner can assess the scope of work, take measurements, and identify any specific requirements or resources needed for the job. This information is crucial for effective job planning and ensures that the work can be completed efficiently and accurately.

Submit
178. If the seat area on a pressure vacuum breaker is damaged replace the

Explanation

If the seat area on a pressure vacuum breaker is damaged, it is necessary to replace the whole device. This is because the seat area is an integral part of the pressure vacuum breaker and if it is damaged, it can compromise the proper functioning of the device. Replacing the entire device ensures that all components, including the seat area, are in good condition and can effectively prevent backflow of contaminated water. Simply replacing the seat or any other individual component may not guarantee the same level of protection.

Submit
179. What wall thicknesses are available in copper tubing for drinking water?

Explanation

The wall thicknesses available in copper tubing for drinking water are K, L, M, and DWV.

Submit
180. How should a double check valve assembly be installed?

Explanation

A double check valve assembly should be installed 12 to 30 inches above the ground. This height range ensures that the assembly is easily accessible for maintenance and inspection purposes. Placing it too low to the ground could make it difficult to reach and inspect, while installing it too high could create difficulties in performing regular maintenance tasks. Therefore, the recommended installation height of 12 to 30 inches strikes a balance between accessibility and functionality.

Submit
181. Which type of drainage piping only conveys liquids that are free of fecal matter?

Explanation

The correct answer is waste. Waste drainage piping is specifically designed to carry liquids that do not contain fecal matter. This type of piping is commonly used in plumbing systems to transport wastewater from sinks, showers, and other fixtures. It is important to separate waste drainage from other types of piping, such as soil piping, which is used to carry solid waste and fecal matter. Vents and traps are also important components of plumbing systems, but they do not specifically deal with conveying liquids free of fecal matter.

Submit
182. When assembling polyethylene (PE) gas pipe, what is the purpose of an alignment jig?

Explanation

An alignment jig is used in the process of assembling polyethylene (PE) gas pipe to hold the pipe in position for butt fusion. Butt fusion is a method of joining two pieces of PE pipe by heating the ends and then pressing them together. The alignment jig ensures that the pipe is properly aligned and held securely in place during the fusion process, resulting in a strong and reliable joint.

Submit
183. In a foam system, what is mixed with the foam to control fires?

Explanation

In a foam system, air is mixed with the foam to control fires. This is because air helps to create and maintain the foam's structure, allowing it to effectively smother the fire by separating the fuel source from oxygen. By introducing air into the foam, it enhances its ability to cover and extinguish the fire, making it an essential component in fire suppression using foam systems.

Submit
184. What enables the Expeditionary GEO Base and sustains capabilities acquired at home stations through training?

Explanation

The GeoReach process enables the Expeditionary GEO Base and sustains capabilities acquired at home stations through training. This process ensures that the necessary resources, equipment, and personnel are deployed to the expeditionary site in a timely manner. It also includes the coordination and planning of activities, such as site mapping and installation of necessary infrastructure, to support the mission requirements. By implementing the GeoReach process, the expeditionary base is able to maintain and enhance its capabilities, even while operating in a different location.

Submit
185. For best results, how should you backfill a trench?

Explanation

The best way to backfill a trench is to do it in layers of not more than 4 inches and tamp it with a mechanical tamper. This method ensures that the backfill is properly compacted and provides stability to the trench. Backfilling in layers helps prevent settling and ensures uniform compaction throughout the trench. Using a mechanical tamper makes the process more efficient and effective compared to manual tamping.

Submit
186. What is the next largest sixteenth-inch mark after ¾?

Explanation

The next largest sixteenth-inch mark after ¾ is 13/16ths. This is because each inch is divided into 16 equal parts in the context of this question. Since ¾ is equal to 12/16ths, the next largest sixteenth-inch mark would be 13/16ths.

Submit
187. What measurement is used to determine the surface area of a shape?

Explanation

The measurement used to determine the surface area of a shape is called "area". Area is a two-dimensional measurement that calculates the amount of space covered by a shape or surface. It is commonly used to determine the size or coverage of a flat object or surface, such as a square, rectangle, or circle. Perimeter, on the other hand, is the measurement of the distance around the boundary of a shape, while volume is used to measure the amount of space occupied by a three-dimensional object. "Dosing" is unrelated to the measurement of surface area and is not a valid option.

Submit
188. What does continuous dripping of a single or mixing faucet indicate?

Explanation

Continuous dripping of a single or mixing faucet indicates a bad washer. The washer, which is located inside the faucet, is responsible for creating a watertight seal when the faucet is closed. If the washer becomes worn out or damaged, it fails to create a proper seal, resulting in water leakage. Therefore, a continuous drip suggests that the washer needs to be replaced to fix the issue.

Submit
189. From top to bottom, what are the layers of liquid called in a standard-rate digester?

Explanation

In a standard-rate digester, the layers of liquid are arranged from top to bottom as scum, supernatant, and sludge. Scum refers to the layer of floating material on the surface, which is usually composed of oils, fats, and grease. Supernatant is the middle layer, consisting of liquid that has settled but is still relatively clear. Sludge is the bottom layer, consisting of solid waste that has settled to the bottom. This arrangement is typical in a standard-rate digester due to the intermittent mixing process.

Submit
190. What are the controlling factors in oxidation ponds?

Explanation

Oxidation ponds are a type of wastewater treatment system where organic matter is broken down by bacteria. The controlling factors in oxidation ponds are crucial for the efficiency of the treatment process. Time is necessary for the bacteria to consume and break down the organic matter. Sunlight plays a role in promoting the growth of algae, which can help in the breakdown of organic matter. Air is essential for the oxygenation of the pond, which supports the growth of aerobic bacteria that further degrade the organic matter. Therefore, time, sunlight, and air are the controlling factors in oxidation ponds.

Submit
191. What does Emergency Planning and Community Right-to Know-Act (EPCRA) section 302 require facilities to notify the state emergency response commission and the local emergency planning committee for?

Explanation

EPCRA section 302 requires facilities to notify the state emergency response commission and the local emergency planning committee about the presence of any extremely hazardous substance. This is important for emergency planning purposes as it allows the relevant authorities to be aware of the potential risks and hazards associated with these substances. By being informed about the presence of extremely hazardous substances, the state emergency response commission and the local emergency planning committee can develop appropriate response plans and take necessary actions to protect the community in case of any accidents or emergencies involving these substances.

Submit
192. What should you do if false alarms are being caused by pressure surges?

Explanation

If false alarms are being caused by pressure surges, relieving trapped air pressure can be an effective solution. Pressure surges can occur when there is an imbalance between air and water pressure in a system. By relieving trapped air pressure, the system can be balanced and prevent false alarms caused by pressure surges. This can be done by opening valves or vents to release the trapped air.

Submit
193. What is the proper length of time and velocity for flushing a main?

Explanation

The proper length of time and velocity for flushing a main is 30 minutes/2.5 feet per second. This combination allows for a thorough flushing of the main, ensuring that any sediment or debris is effectively removed. A longer duration of 30 minutes allows for more time for the water to flow through the main, while a lower velocity of 2.5 feet per second ensures that the water does not flow too fast, which could cause damage to the pipes or dislodge more sediment.

Submit
194. How many years from the last day employees worked must hazardous waste generators keep their training records?

Explanation

Hazardous waste generators must keep their training records for three years from the last day employees worked. This is important to ensure that the employees are properly trained and knowledgeable about handling hazardous waste. Keeping the training records for this duration allows the generators to track and document the training history of their employees, which can be crucial for compliance purposes and in case of any audits or inspections.

Submit
195. Which component of the Air Force comprehensive plan help to visually explain the narrative contained in the general plan, component plans, and special plans and studies?

Explanation

Maps are a visual representation of geographic information that can help to visually explain the narrative contained in the general plan, component plans, and special plans and studies. They provide a clear and concise way to depict spatial relationships, locations, and other important information. By using maps, the Air Force can effectively communicate their comprehensive plan and ensure that all stakeholders have a clear understanding of the information being conveyed.

Submit
196. Whether excavations ar24/7e open for a day or for weeks you must have

Explanation

Temporary fencing or concrete barricades are necessary whether excavations are open for a day or for weeks because they provide a physical barrier to prevent unauthorized access to the site. These barriers help to ensure the safety of both workers and the general public by keeping them away from potentially hazardous areas. Additionally, they serve as a visual reminder to people that there is ongoing construction or excavation work happening, reducing the risk of accidents or injuries.

Submit
197. What is the most common type of pool overflow system found at Air Force bases?

Explanation

The most common type of pool overflow system found at Air Force bases is a gutter. A gutter system is designed to collect excess water from the pool and direct it to a drainage system, preventing the pool from overflowing. This type of system is commonly used in large pools and ensures that the water level remains at a safe and manageable level.

Submit
198. Which water test is used to determine the acidity or alkalinity of pool water?

Explanation

The pH test is used to determine the acidity or alkalinity of pool water. pH is a measure of the concentration of hydrogen ions in a solution, indicating whether it is acidic (pH below 7), neutral (pH 7), or alkaline (pH above 7). Maintaining the correct pH level is important for pool water as it affects the effectiveness of chlorine and other chemicals, as well as the comfort of swimmers.

Submit
199. What electronic training program consolidates all training forms into easy to use parts within the program?

Explanation

The Air Force Training Record (AFTR) is the correct answer because it consolidates all training forms into easy-to-use parts within the program. This means that all training forms, such as the Air Force Qualification Training Package (AFQTP), Job Qualification Standard (JQS), and Specialty Training Standard (STS), are included and organized within the AFTR program, making it convenient and user-friendly for trainees.

Submit
200. Which type of filter is the easiest to clean?

Explanation

Cartridge filters are the easiest to clean compared to other types of filters. They have a removable cartridge that can be easily taken out and cleaned manually. This process involves rinsing off the debris and dirt from the cartridge using a hose or soaking it in a cleaning solution. Once cleaned, the cartridge can be easily reinserted into the filter. This simplicity and convenience make cartridge filters the easiest to clean among the given options.

Submit
View My Results

Quiz Review Timeline (Updated): Mar 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 03, 2012
    Quiz Created by
    Choppervail
Cancel
  • All
    All (200)
  • Unanswered
    Unanswered ()
  • Answered
    Answered ()
What is the best way to prevent chemical shortages concerning a...
What will be your primary weapon to use when assigned to a Prime BEEF...
Why does the Air Force want to provide you with training and...
A statement that a plan is drawn to a scale of 1/4 inch = 1 foot means
What is the study of the composition of matter?
An AF Form 103, Base Civil Engineering Work Clearance Request, is...
When the cutting wheel on a pipe cutter becomes chipped or worn
What do you use to remove someone from an energized circuit?
How do you repair a leak on a plastic pipe fitting?
What form covers releases and transfers of toxic chemicals to various...
When testing a dry-pipe fire sprinkler system, your first step is to
How many wires do properly grounded power tools and extension cords...
Which of the following items should you use to remove someone from an...
Which term best completes the following statement? The Base Civil...
What should be the first action taken if you have created a new waste...
Which skill level must you obtain before promotion to staff sergeant?
What type of drainage system collects water from rain and melting...
What should be applied to a strap wrench to prevent slipping?
When referring to electrical circuits, a closed circuit means
Tank water closets are preferred over flushometer water closets for...
Rapid sand filters are cleaned by a process called
What is the study of living things?
Who must provide local training on the use, calibration, and care of...
When removing a manual valve from a fuel pipeline, which bolts on the...
What two units supplement active duty units to create a major force in...
What work has a lower priority than the recurring work program?
What is used to remove ice from a manhole cover?
What is the name of the special tool designed to reach the hex jamnut...
How much solder is needed to solder a ½-inch connection?
When using a lever-type tubing bender, you can make angles up to how...
What is a method where a group of individuals simultaneously...
Why do you slightly open a butterfly valve before relieving the line...
What can you use as a substitute for soapy water when leak-testing...
When restoring a wet-pipe sprinkler system, any trapped air can be...
As a member of a Prime BEEF team, what minimum items are required in...
What is based on how well you fulfill your customer's needs?
What part of the dash 4 takes all equipment components and categorizes...
After you have taken all hydrate readings, you should shut down the...
What should you do if an oxygen-deficient condition is present in a...
Who schedules and coordinates Air National Guard and Air Force Reserve...
What is a tabulated list showing name, description, quantity, and cost...
What is the cause of electric shock?
What three views are used in working sketches?
When diluting acid with water, always add the acid slowly to the water...
Who must be notified anytime a water main is turned off?
How many times are pipes in the water systems tested?
A RED HORSE unit deploys with virtually all support necessary to...
Galvanization provides a pipe with what benefit?
What fitting joins pipes so they can be taken apart later?
How do street elbows differ from standard elbows?
When cutting tubing with a tubing cutter, how far do you turn the...
What is the purpose of oiling while threading steel pipe?
What type of wet, detergent-soaked cloth do you wipe polyethylene pipe...
The Primary purpose of Tier 3, Silver Flag, training is for students...
How often do you check hydraulic shoring for leaking hoses or broken...
Which government department is required by law to develop and enforce...
As a minimum, what percentage of core and critical items must you...
Pipe die sets consist of a
What contains a detailed description of the work, where to perform the...
What publication is the basis for all Prime BEEF training?
What is the smallest unit of an element?
What section in Civil Engineer monitors and controls the flow of...
The anode rod is installed in the top of water heaters to prevent...
What type of fire suppression system has closed heads, is full of...
The Air Force comprehensive plan is comprised of four basic parts:...
The extinguisher system that provides the same general protection...
What are the two types of backflow?
The vertical space between the supply line and the flood level rim...
What happens when an individual planning a job orders the incorrect...
CerTest is a powerful training management tool used to measure what...
What do you do to a base utility map any time you make a change in a...
What propels the nozzle of a jet rodder throughout the length of a...
When threading a fitting on a pipe, what happens if you overtighten a...
Which metric prefix equals 1,000?
The drain cock with a hose connection at the bottom of a water heater...
Who must be the last person to sign the entry permit after all...
Who may reclassify a permit-required confined space to a non-permit...
What term is used to describe the process of storing hazardous waste...
What gas survey is the most expensive and time-consuming?
When using a file, in which direction do you file from the cutting...
What may happen if a sewer pipe is laid with a fall greater than...
What is the name of a short piece of pipe with a hub on one end and a...
What is critical when dealing with a victim in shock?
What are the primary means of inspecting and maintaining the sewer...
When threading steel pipe with a hand threader, how often do you apply...
Which shower/bath mixing valve is sensitive to both temperature and...
Chlorine residual is also called
Slight bending of polyethylene piping is allowed as long as it does...
What are the two most commonly used flushometer valves?
Asbestos poses the greatest risk when it is
A confined space is classified by its
What are the two basic categories of publications?
When installing a compression coupling, why do you dig the area out to...
How often do personnel who work with hazardous waste repeat training...
What is used in a dry pipe sprinkler system to keep the clapper...
When inspecting a dry pipe sprinkler system, record and compare to...
What document identifies education and training requirements for each...
What type of device is the most positive (non-mechanical) against...
What must you do to complete a task item in instances where required...
When an Air National Guard or Air Force Reserves RED HORSE unit...
What are the two classes of drainage piping?
What is the weight of one gallon of water?
What is simply a material list required to complete a job?
What type packing is most commonly used on globe valves?
Which method is the least likely means of industrial exposure of toxic...
The hazardous waste program consists of what two inspections of...
What equipment is used to do a line-walking gas leak survey?
What term means having a relationship based on mutual trust?
What are the two types of cross connection?
Use a basin wrench to reach nuts that are
The proper fall of a house sewer is established by
When administering CPR, what is the ratio of chest compressions to...
When specifications are not available, install the urinal so the lip...
Which program's objective requires it to develop and maintain a highly...
What action creates a watertight and airtight seal on a ferruled...
How many centigrams make one gram?
Where should a grease trap be installed?
What tool is used to stop the flow of gas in polyethylene (PE) pipe?
When using a torch to thaw frozen pipes near wooden structures, you...
What provides a Prime BEEF unit with a listing of items to carry when...
Which skill level describes an apprentice learning a trade?
What is the reason we use elevated storage tanks in a water system?
What is the normal operating pressure of a water distribution system?
What is the desired fall for a 3-inch house sewer?
When should supervisors give safety briefings to new workers?
What is the most important reason for backfilling a trench after pipe...
When does HQ AFCESA conduct a deployment workshop to coordinate...
Who must ensure all Prime BEEF team members are organized, equipped,...
Where on the studs should you cut holes for water supply pipes?
What will gives your supervisor good insight on where you need...
How do you repair a water closets leaking flapper?
What type of manual valve can be used to control the flow rate?
When solvent welding plastic pipe, how do you insert the pipe into the...
What do your customers measure the services you provide them against?
What is the timetable for completing routine work unless there is a...
Which instrument is used to measure velocity flow from a fire hydrant?
What action should you take if you notice a slight leak on a...
Who must sign entries electronically on the 623a, On the Job...
If you wish to attend a course that is unfunded, who must determine if...
What is the easiest way to make sure you have the most current...
According to Air Force Policy Directive 32–70, Environmental...
What type of clothing should you wear if you are working with...
What type of plug valve will be installed downstream from a fuel...
When winterizing a system, what is the first step in draining a water...
You are now the owner of some chemicals you found on base (FOB). What...
1301 Halon systems will not harm personnel in concentrations below
The Air Force Civil Engineer Support Agency provides what type of...
When you install an individual vent, how many inches must the vent...
What makes Prime BEEF units response times equal to or less than the...
What type valve used in fuel systems must operate from fully closed to...
The primary purpose of periodic testing of water mains for flow and...
Where would you find out which valves have to be isolated before...
What category of soil requires no shoring?
As a journeyman, you are expected to know assigned duties and perform...
Completion of what training authorizes you to wear the Senior Civil...
What happens to a Recurring Work Program item that does not have a...
The Operations flight contains four elements. Included are Material...
What flight does the Water and Fuels Systems Maintenance section fall...
What are the two main hazards of using electrical power tools?
What is the smallest increment on most of the tape measures in our...
What do we call your supervisor accounting for all of your time...
Without omitting a step, which arrangement below is in the correct...
Chemical drain cleaners are appropriate when the drains are
If you fail the certification test (CerTest) a second time, the...
What size pipe wrench do you use on a ¼-inch pipe?
Who, other than the Environmental Planning Function, determines the...
When an environmental assessment is being prepared and there are no...
When a Prime BEEF member relocates to another duty station or...
How many different basic designs of gate valves are there?
A drop tube in a water heater causes incoming cold water to mix with
What is the proper way to tighten the bolts on a full circle clamp?
What series of publications guide policy and procedures on all aspects...
What publications do multiple services use that follow the layout of...
The purpose of flushing the foam system is to prevent
If the water level in the fire hydrant barrel rises after the hydrant...
One of the factors to consider when sizing the water supply for a...
An important technique to use when planning jobs is to
If the seat area on a pressure vacuum breaker is damaged replace the
What wall thicknesses are available in copper tubing for drinking...
How should a double check valve assembly be installed?
Which type of drainage piping only conveys liquids that are free of...
When assembling polyethylene (PE) gas pipe, what is the purpose of an...
In a foam system, what is mixed with the foam to control fires?
What enables the Expeditionary GEO Base and sustains capabilities...
For best results, how should you backfill a trench?
What is the next largest sixteenth-inch mark after ¾?
What measurement is used to determine the surface area of a shape?
What does continuous dripping of a single or mixing faucet indicate?
From top to bottom, what are the layers of liquid called in a...
What are the controlling factors in oxidation ponds?
What does Emergency Planning and Community Right-to Know-Act (EPCRA)...
What should you do if false alarms are being caused by pressure...
What is the proper length of time and velocity for flushing a main?
How many years from the last day employees worked must hazardous waste...
Which component of the Air Force comprehensive plan help to visually...
Whether excavations ar24/7e open for a day or for weeks you must have
What is the most common type of pool overflow system found at Air...
Which water test is used to determine the acidity or alkalinity of...
What electronic training program consolidates all training forms into...
Which type of filter is the easiest to clean?
Alert!

Advertisement