2A551 Ure Questions For Volume 1 Of 3

The pressure in a fire extinguisher is within a safe operating range when the gauge needle is within the green markings. This indicates that the pressure is at an optimal level for effective use of the extinguisher. The red markings typically indicate that the pressure is too high, while the black markings may indicate that the pressure is too low. The orange markings may indicate a cautionary range. Therefore, the green markings are the correct indication of a safe operating pressure for a fire extinguisher.

The recommended procedure for cooling an overheated brake assembly is to allow the assembly to cool in the ambient air. This means that the aircraft should be parked in a location where it is isolated and there is no immediate danger, and then the brake assembly should be left alone to cool down naturally without any external intervention such as spraying with cold water, cooling with forced air from a blower, or cooling with high-pressure compressed air. This is the safest and most effective way to prevent any further damage or accidents caused by the overheated brake assembly.

The proper way to manually record a date in the 781 series forms is to use the format 20091212. This format follows the YYYYMMDD order, which is commonly used in official documents and ensures consistency and clarity in recording dates.

Latches and fasteners can be prime contributors to dropped objects. When not properly secured, they can become loose or detached, causing objects to fall. This is especially true in aircraft or other high-speed vehicles where vibrations and turbulence can further loosen these components. Therefore, it is crucial to ensure that latches and fasteners are securely fastened to prevent accidents and potential damage.

In the operational risk management process, the responsibility for identifying and controlling hazards rests with everyone. This means that each individual within the organization, regardless of their role or position, is responsible for actively identifying potential hazards and taking appropriate measures to control and mitigate them. This inclusive approach ensures that everyone is actively engaged in risk management, promoting a safer and more secure work environment for all.

The correct answer is "All of the above". This means that in order to reduce corrosion when working on aerospace equipment, all of the mentioned procedures should be followed. This includes not marking on any metal structural component with a graphite pencil, not degrading or scratching any surface unless it is authorized, and not using graphite as a lubricant for any component located in a high-heat area. By adhering to these procedures, the risk of corrosion can be minimized, ensuring the proper functioning and longevity of the aerospace equipment.

The safe distance behind an operating jet engine exhaust is 200 feet. This distance is necessary to prevent individuals from being exposed to the high temperatures, strong winds, and potential debris that can be emitted from the engine. It ensures the safety of both personnel and equipment in the vicinity of the jet engine.

To raise an aircraft strut prior to a tire change, you would use an axle jack. An axle jack is specifically designed to lift heavy loads and is commonly used in the aviation industry. It is capable of providing the necessary support and stability to safely lift the aircraft strut, allowing for the tire change to be performed efficiently and securely.

Preventive maintenance is the correct answer because it refers to the systematic inspection, detection, and correction of potential equipment issues before they cause equipment failure or downtime. By regularly conducting preventive maintenance, the Air Force can ensure that equipment is in optimal condition and ready to be used when needed. This proactive approach helps to prevent unexpected breakdowns, reduces repair costs, and increases the overall reliability and availability of equipment.

The initial safety-training phase is an effective tool that creates a lasting impression for new airmen. This phase is the first step in introducing airmen to safety protocols and procedures, ensuring they have a solid foundation of knowledge and awareness. It helps them understand the importance of safety in their work and instills good safety habits from the beginning of their career. By starting with a comprehensive and engaging initial training, new airmen are more likely to prioritize safety throughout their time in the air force.

The person that was issued the tool is responsible for initiating a lost tool report. This makes sense because they are the one who had possession of the tool and therefore would be the first to notice if it was lost. By initiating the report, they can ensure that the loss is documented and appropriate actions can be taken to locate or replace the tool.

The estimated percent of accidents caused by nature is 2%. This means that only a small portion of accidents can be attributed to natural causes such as weather conditions or natural disasters. The majority of accidents are likely caused by human factors such as negligence, distraction, or reckless driving.

Wearing dog tags, wristwatches, or other jewelry is expressly forbidden when you're working on electrical equipment because metal objects can conduct electricity and increase the risk of electrical shock or short circuit.

Sudden local storms are most likely to cause aircraft damage. These storms can bring strong winds, lightning, hail, and turbulence, which can pose a significant risk to aircraft. The sudden and unpredictable nature of these storms makes it difficult for pilots to avoid them, increasing the chances of encountering hazardous conditions. Tornadoes and hurricanes are also severe weather conditions that can cause aircraft damage, but they are less likely to occur compared to sudden local storms. Predicted heavy storms can be avoided or prepared for, reducing the risk of aircraft damage.

Engine over-temperature conditions are recorded on the AFTO Form 781 J.

Pin-and-socket contacts complete the electrical circuit in a cannon plug. These contacts consist of pins on one connector half and corresponding sockets on the other half. When the two halves are connected, the pins and sockets make physical contact, allowing the flow of electrical current between them. This ensures a secure and reliable connection for transmitting electrical signals or power through the cannon plug.

A feeling of emptiness is not a sign of noise fatigue. Noise fatigue refers to the physical and mental exhaustion caused by prolonged exposure to loud or excessive noise. Symptoms typically include dizziness, emotional irritability, and impairment of mental concentration. However, a feeling of emptiness is not commonly associated with noise fatigue and may be indicative of other factors or conditions.

The correct answer is strength of emission, time of exposure, and weather. Radiation hazards are affected by the strength of emission, which refers to the intensity or amount of radiation being emitted. The time of exposure is also a factor, as prolonged exposure to radiation can increase the risk of harm. Additionally, weather conditions can impact radiation hazards, as certain weather patterns can affect the dispersion and concentration of radiation in the environment.

All of the above options can be used to tighten cannon plugs. Fingers can be used for small and easily accessible plugs, strap wrench can be used for larger and more difficult to reach plugs, and padded conduit pliers can be used for plugs that require a stronger grip.

Immediate supervisors are responsible for establishing a climate that promotes maintenance discipline. They are in direct contact with the subordinate personnel and have the authority to set expectations, provide guidance, and enforce discipline. They play a crucial role in creating a work environment that fosters accountability, professionalism, and adherence to maintenance standards. Squadron commanders have overall responsibility for the unit's mission and may delegate certain responsibilities to immediate supervisors, who are closer to the day-to-day operations and can directly influence the maintenance discipline.

The objectives of the maintenance data documentation system include collecting, storing, and retrieving base-level data. This means that the system is designed to gather information, store it in a secure and organized manner, and make it easily accessible for future reference or analysis. By collecting data, the system ensures that all relevant information is captured. Storing the data ensures that it is kept in a secure and reliable location. Lastly, retrieving the data allows users to access the information whenever they need it, enabling efficient decision-making and analysis.

The responsibility for accomplishing the preflight check rests with the aircrew. This means that it is the responsibility of the pilots and other crew members on the aircraft to ensure that all necessary checks and inspections are completed before the flight. The aircrew is responsible for ensuring the safety and readiness of the aircraft before it takes off.

For maximum locking effect, at least two threads must be showing through a self-locking nut. This is because the self-locking feature of the nut is achieved through the interaction between the threads of the nut and the mating threads of the bolt. With only one thread showing, there may not be enough friction and engagement between the threads to prevent the nut from loosening. However, with two or more threads showing, there is a greater surface area of contact and friction, resulting in a stronger locking effect.

Aircraft tubing needs to be constructed with materials that are strong, lightweight, and resistant to corrosion. Aluminum-alloy is commonly used in aircraft construction due to its high strength-to-weight ratio. Stainless-steel is also used for its corrosion resistance. Therefore, using both aluminum-alloy and stainless-steel would provide the desired properties for aircraft tubing.

The frequency of cleaning an aircraft exterior depends on the environmental conditions it is exposed to. Different environments, such as areas with high levels of pollution or saltwater, can cause dirt, grime, and corrosion to accumulate on the aircraft's exterior more quickly. Therefore, regular cleaning is necessary to maintain the aircraft's appearance and prevent damage.

When a maintenance stand is placed near an operating propeller, it needs to be secured to prevent any movement or potential accidents. Wrapping chains around each wheel individually ensures that the stand remains stable and prevents it from rolling or tipping over. This method provides a secure and reliable way to keep the stand in place and ensures the safety of the personnel working on the aircraft.

If an aircraft exceeds the programmed depot maintenance cycle by 90 days and an extension is not granted, the symbol that is entered on the forms is a Red X. This symbol indicates that the aircraft is not airworthy and requires immediate attention and maintenance before it can be used again.

Programmed depot maintenance refers to the inspection and maintenance of aircraft that requires specialized skills, equipment, and facilities that are not typically available at regular operating locations. This type of maintenance is usually conducted at specialized depots or facilities that are specifically equipped to handle complex repairs and inspections. It involves extensive overhauls, repairs, and inspections that go beyond the capabilities of organizational or consolidated maintenance. Therefore, programmed depot maintenance is the correct answer as it requires specialized skills, equipment, and facilities not normally possessed by operating locations.

The IMDS CDB Training Management Subsystem can be used to monitor upgrade training. This means that the system allows for tracking and overseeing the progress and completion of training programs that are aimed at enhancing or improving an individual's skills and knowledge in a particular area. Upgrade training is typically provided to individuals who already have a certain level of expertise or experience and is designed to further develop their abilities in a specific field or role.

Inspection workcards are known as abbreviated TOs because they provide a condensed version of the technical manuals. These workcards contain specific instructions and procedures for conducting inspections, making them a quick reference guide for maintenance personnel. Unlike comprehensive technical manuals, abbreviated TOs focus solely on the inspection and maintenance requirements, allowing technicians to efficiently carry out their tasks without having to sift through lengthy documents.

Pressure seals are typically constructed of soft rubber because it has the ability to create a tight and effective seal under pressure. Soft rubber is flexible and can conform to irregular surfaces, ensuring that there are no gaps or leaks in the seal. Additionally, soft rubber is resistant to various chemicals and can withstand a wide range of temperatures, making it suitable for use in different industries and applications.

Heating lubricants to make them easier to apply is not a good lubrication tip. Heating lubricants can alter their properties and reduce their effectiveness. It can also increase the risk of fire or injury. It is always best to use lubricants at their recommended temperature range to ensure optimal performance and safety.

Intergranular corrosion is the most severe type of corrosion because it occurs along the grain boundaries of a material, making it difficult to detect without nondestructive testing. This type of corrosion weakens the material and can lead to sudden failure or structural damage. It is particularly challenging to identify because it often occurs beneath the surface, making it invisible to the naked eye. Nondestructive tests, such as ultrasonic testing or dye penetrant inspection, are necessary to detect intergranular corrosion and prevent further damage.

MAJCOMs, or Major Commands, have the authority to standardize the arrangements of the forms binder. They are responsible for overseeing specific functional areas within the Air Force and have the power to establish policies and procedures. By standardizing the arrangements of the forms binder, MAJCOMs ensure consistency and efficiency in the use of forms across different units and sections. Flight chiefs, section chiefs, and wing commanders may have some level of authority within their respective units, but the ultimate authority to standardize the forms binder lies with the MAJCOMs.

Aircraft cable size is determined by its diameter. The diameter refers to the width of the cable, which is an important factor in determining its strength and capacity to withstand tension and weight. The larger the diameter, the stronger the cable will be. Therefore, when selecting an aircraft cable, it is crucial to consider its diameter to ensure it can handle the required load and meet the safety standards for the aircraft's operation.

Prior to using a torque wrench, it is important to cycle the wrench through the breakaway torque. This helps to ensure that the wrench is properly calibrated and ready for use. Cycling the wrench at the maximum setting and at least six times is recommended because it allows for a thorough check of the wrench's functionality and accuracy. By cycling the wrench multiple times at the maximum setting, any potential issues or inconsistencies in the wrench's performance can be identified and addressed before using it for actual torque applications.

To use .032 gauge safety wire properly, there should be 7-12 turns per inch. This means that for every inch of wire, it should be twisted or wrapped around the object being secured 7-12 times. This ensures that the wire is tightly secured and provides the necessary strength and stability. Having fewer than 7 turns may result in the wire being too loose, while having more than 12 turns may make it too tight and difficult to work with.

Aluminum alloy washers are used with steel bolts on aluminum alloy parts in low-torque applications to prevent corrosion. When aluminum and steel come into contact, a galvanic reaction can occur, leading to corrosion. By using aluminum alloy washers, a barrier is created between the aluminum and steel, preventing direct contact and reducing the risk of corrosion.

Fall protection is required when it becomes necessary to perform tasks where a worker can fall 10 feet or more. This means that if there is a risk of falling from a height of 10 feet or greater, fall protection measures must be in place to ensure the safety of the worker. This could include the use of safety harnesses, guardrails, or other protective equipment to prevent falls and minimize the risk of injury.

The lowest person authorized to clear a red X when a lost tool cannot be located is an individual assigned to maintenance supervision. This means that someone who holds a position in maintenance supervision is responsible for authorizing the clearance of a red X in cases where a lost tool cannot be found. This individual is likely to have the necessary knowledge and authority to make such a decision.

Periodic inspection is the most extensive inspection because it involves a comprehensive examination of the aircraft's systems, components, and structure. It is typically conducted at regular intervals, as specified by the aircraft manufacturer or regulatory authorities, to ensure the aircraft's airworthiness and identify any potential issues or maintenance requirements. This inspection involves a detailed inspection of all major components, including engines, landing gear, control surfaces, electrical systems, and structural elements. It may also involve functional tests, lubrication, and servicing of various systems. The periodic inspection is more comprehensive and time-consuming compared to other types of inspections, making it the most extensive.

The preflight inspection is a flight preparedness check that is conducted before every flight. It involves a thorough examination of the aircraft's systems, controls, and overall condition to ensure that it is safe and ready for flight. This inspection includes checking the fuel levels, engine oil, tires, control surfaces, and other critical components. It is essential to identify any potential issues or discrepancies before takeoff to prevent any in-flight emergencies or malfunctions.

Sodium bicarbonate and water are used as a solution to treat areas affected with electrolyte from a lead-acid battery. This solution is effective in neutralizing the acidic electrolyte and preventing further damage. Sodium bicarbonate acts as a base and helps to balance the pH levels, while water helps to dilute the electrolyte and wash away any residue. This solution is commonly used in battery maintenance and cleaning to ensure safety and prevent corrosion.

When pecuniary liability is not involved, an individual may be relieved of property responsibility by turn-in or by transfer. This means that if there is no financial liability attached to the property, the individual can be relieved of their responsibility by either returning the property (turn-in) or transferring it to someone else. This allows for a smooth transition of property ownership without any financial consequences for the individual.

The correct answer is "the required inspection and servicing are complete." This means that for an aircraft to be operationally ready, it must have undergone the necessary inspection and servicing procedures. This ensures that the aircraft is in proper working condition and meets all safety and operational requirements. Checking the aircraft forms, being released by production scheduling, and completing minor discrepancies are also important steps, but they do not guarantee that the inspection and servicing have been done. Therefore, the completion of the required inspection and servicing is the most crucial factor in determining the aircraft's operational readiness.

Unsatisfactory comments on the graduate assessment survey are addressed by the instructor of the student through a telephone call. This method allows for direct communication between the instructor and the student, which can help clarify any issues or concerns raised in the survey. It also provides an opportunity for the instructor to gather more detailed feedback and discuss potential solutions or improvements. A telephone call is a more personal and interactive approach compared to other options such as using a form, email, or letter, as it allows for immediate conversation and the opportunity for both parties to ask questions and provide further explanations.

The correct answer is "End-of-runway". This inspection is usually performed just prior to takeoff and may include operational checks of some systems. It is done to ensure that all systems are functioning properly and that the aircraft is ready for takeoff. This inspection is important for the safety of the flight and to prevent any issues during the takeoff process.

The correct answer is AFTO Form 350. AFTO Form 350 is used for documenting the repair and maintenance of aircraft and equipment. It provides a detailed record of the maintenance performed, including the date, time, and description of the work done. This form helps in tracking and controlling repairable items within maintenance by ensuring that all repairs are properly documented and accounted for. It also helps in identifying trends or recurring issues that may require further investigation or corrective actions.

Crane hoisting is a method of aircraft hoisting that is only used during emergencies when no other method is available. This suggests that crane hoisting is not the preferred or standard method of hoisting an aircraft, but rather a last resort option. It implies that other methods such as cribbing, lifting bags, or aircraft jacking are typically used for aircraft hoisting, but in certain emergency situations where these methods are not feasible, crane hoisting may be employed.

Stress corrosion is a type of corrosion that occurs when a metal is subjected to both mechanical stress and a corrosive environment. This combination can lead to the formation of cracks in the metal, which appear as corroded cracks. Therefore, stress is the correct answer for the type of corrosion that appears as corroded cracks in a metal.