2A654 CDC All UREs
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How many people are required for fuel tank entry?
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2
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3
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4
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5
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This quiz evaluates knowledge crucial for airmen in AFSC 2A654, focusing on qualifications, responsibilities, and environmental standards in aircraft maintenance. It assesses understanding of roles, hazardous materials handling, and mission accountability, essential for Air Force operations.
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- 2.
What footwear items are authorized for wear inside a fuel cell?
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Gym shoes.
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Clean boots with or without covers.
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Static resistant or neoprene booties.
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Steel-toe boots with covers.
Correct Answer
A. Static resistant or neoprene booties.Explanation
The correct answer is static resistant or neoprene booties. These types of footwear are authorized for wear inside a fuel cell because they provide protection against static electricity and are made of materials that are resistant to fuel and other hazardous substances. Gym shoes, clean boots with or without covers, and steel-toe boots with covers are not specifically designed for this purpose and may not provide the same level of protection.Rate this question:
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- 3.
What type of inspection is performed on all newly assigned aircraft?
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Special
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Acceptance
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Calendar
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Time Replacement
Correct Answer
A. AcceptanceExplanation
Acceptance inspection is performed on all newly assigned aircraft to ensure that the aircraft meets all the required standards and specifications. This inspection is conducted to verify that the aircraft is in proper working condition, all necessary equipment is installed, and all necessary paperwork and documents are in order. It is a critical step in the process of introducing a new aircraft into service and ensuring its safety and airworthiness.Rate this question:
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- 4.
On the AFTO form 781H, after refueling the aircraft, the person who performs or supervises the operation puts their name in block 14 using what format?
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First name only
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Last name only
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Printed first and last name
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Minimum signature (first initial and last name)
Correct Answer
A. Minimum signature (first initial and last name)Explanation
On the AFTO form 781H, the person who performs or supervises the refueling operation is required to put their name in block 14 using the minimum signature format, which consists of their first initial and last name. This format ensures that the person responsible for the refueling can be identified, while also maintaining a level of privacy by not disclosing their full name.Rate this question:
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- 5.
After a permanent repair on a fuel tank is accomplished the AFTO Form 427, Aircraft Integral Fuel Tank Repair Historical Data Document, is
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Destroyed.
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Maintained as historical data.
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Re-accomplished.
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Cleared.
Correct Answer
A. Maintained as historical data.Explanation
After a permanent repair on a fuel tank is accomplished, the AFTO Form 427, Aircraft Integral Fuel Tank Repair Historical Data Document, is maintained as historical data. This document serves as a record of the repair and is important for tracking the maintenance history of the fuel tank. By keeping this document, the maintenance personnel can refer to it in the future for reference or to ensure that the repair was done correctly. It also helps in maintaining a comprehensive record of the aircraft's maintenance and repair history, which can be valuable for various purposes such as maintenance planning and compliance with regulations.Rate this question:
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- 6.
The first rule of good housekeeping is
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Scheduled clean up time.
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Clean floors.
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Personal cleanliness.
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A neat and orderly desk.
Correct Answer
A. Personal cleanliness.Explanation
The first rule of good housekeeping is personal cleanliness. This means that maintaining personal hygiene and cleanliness is essential for maintaining a clean and organized living environment. By prioritizing personal cleanliness, individuals can ensure that they are contributing to a healthy and hygienic living space. This includes practices such as regular bathing, washing hands, and keeping personal belongings clean. By focusing on personal cleanliness, individuals can set a foundation for overall cleanliness and hygiene in their homes.Rate this question:
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- 7.
What type of communication may be used during ground refueling operations?
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Aircraft radio systems.
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Hand-held walkie-talkies.
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Aircraft intercommunication system.
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Battery-powered radios only.
Correct Answer
A. Aircraft intercommunication system.Explanation
During ground refueling operations, it is essential for the ground crew and the pilots to communicate effectively. The aircraft intercommunication system allows for clear and direct communication between the crew members involved in the refueling process. This system enables them to coordinate their actions, relay important information, and ensure the safety and efficiency of the refueling operation. The use of aircraft radio systems, hand-held walkie-talkies, or battery-powered radios may not provide the same level of clarity and reliability as the dedicated intercommunication system designed for aircraft operations.Rate this question:
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- 8.
What should you use to clean tools that are extremely greasy and grimy?
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Aluminum oxide abrasive cloth
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Approved cleaning solvent
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JP-4 or gasoline
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Methyl Ethyl ketone (MEK)
Correct Answer
A. Approved cleaning solventExplanation
The correct answer is "Approved cleaning solvent." When tools are extremely greasy and grimy, it is important to use a cleaning solvent that is specifically approved for this purpose. This type of solvent is designed to effectively dissolve and remove grease and grime without causing damage to the tools. Using other substances such as aluminum oxide abrasive cloth, JP-4 or gasoline, or Methyl Ethyl ketone (MEK) may not be as effective or safe for cleaning the tools. Therefore, it is recommended to use an approved cleaning solvent for this task.Rate this question:
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- 9.
When removing fire suppression foam from an aircraft fuel tank
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Remove it as quickly as possible.
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Tear it as evenly as possible.
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Wear chemical-resistant gloves.
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Wear a half-face respirator.
Correct Answer
A. Wear chemical-resistant gloves.Explanation
When removing fire suppression foam from an aircraft fuel tank, it is important to wear chemical-resistant gloves. This is because the foam may contain chemicals or substances that can be harmful to the skin. By wearing chemical-resistant gloves, one can protect their hands from any potential contact with these harmful substances and prevent any skin irritation or damage.Rate this question:
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- 10.
Which condition will likely result in a fuel cell fitting leak?
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Applying torque to fitting bolts after instillation
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Hair or lint between an o-rings and its groove
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Installing a used but serviceable o-ring
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Petrolatum on the surface of an o-ring.
Correct Answer
A. Hair or lint between an o-rings and its grooveExplanation
Hair or lint between an o-ring and its groove can likely result in a fuel cell fitting leak because it can prevent the o-ring from creating a proper seal. The presence of hair or lint can create gaps or spaces that allow fuel to escape, leading to a leak. It is important to ensure that the o-ring and its groove are clean and free from any debris before installation to prevent leaks.Rate this question:
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- 11.
What source provides the career knowledge training required for upgrade to 5-skill level?
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Job Proficiency.
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CDC.
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Specialty Training Standard.
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Technical Orders.
Correct Answer
A. CDC.Explanation
CDC stands for Career Development Course. It is a source that provides the career knowledge training required for upgrading to a 5-skill level. These courses are designed to enhance the skills and knowledge of individuals in their specific career field, helping them progress and excel in their careers. Therefore, CDC is the correct answer in this context.Rate this question:
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- 12.
What are two ways to control FOD?
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Tool control and Operation Clean Sweep.
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FOD walks and FOD bags.
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Trash detail and FOD walks.
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Tire checks and trash removal.
Correct Answer
A. FOD walks and FOD bags.Explanation
FOD stands for Foreign Object Debris, which refers to any object or substance that is not part of an aircraft or its systems and has the potential to cause damage. FOD walks involve visually inspecting the area to identify and remove any debris that could pose a risk. FOD bags are used to collect and dispose of debris found during FOD walks or other maintenance activities. These two methods, FOD walks and FOD bags, help to control FOD by actively identifying and removing potential hazards to ensure the safety and efficiency of aircraft operations.Rate this question:
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- 13.
What does the arrow stamped on the body of a check valve indicate?
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Valve installation position to prevent air entrapment
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Location of manufactures data block
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Direction of fuel flow
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Direction of by-pass fuel flow
Correct Answer
A. Direction of fuel flowExplanation
The arrow stamped on the body of a check valve indicates the direction of fuel flow. This arrow serves as a visual indicator to ensure that the valve is installed correctly and allows fuel to flow in the intended direction.Rate this question:
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- 14.
While pins on a cannon plug are lettered for ease of identification, which letters are not used?
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B, E, and I
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C, Q, and S
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I, O, and Q
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O, R, and V
Correct Answer
A. I, O, and QExplanation
The letters I, O, and Q are not used for the pins on a cannon plug. This is likely because these letters can easily be confused with numbers or other letters in certain contexts. By excluding these letters, it helps to avoid any potential confusion or misinterpretation when identifying the pins on the cannon plug.Rate this question:
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- 15.
How often should you empty the explosion proof vacuum?
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After every use
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Before every use
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Daily
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Monthly
Correct Answer
A. After every useExplanation
Emptying the explosion-proof vacuum after every use is important because it ensures that any hazardous materials or debris collected during the previous use are properly disposed of. This helps maintain the safety and effectiveness of the vacuum for future use. By emptying it after every use, the risk of potential accidents or contamination is minimized, making it ready for the next task.Rate this question:
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- 16.
What outside agency must be notified prior to opening fuel tanks?
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Bioenvironmental engineering services
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Civil engineering
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Fire protection services
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Wing safety
Correct Answer
A. Fire protection servicesExplanation
Fire protection services must be notified prior to opening fuel tanks because they are responsible for ensuring the safety and prevention of fires. Fuel tanks contain flammable substances, and opening them without proper precautions can pose a significant risk. By notifying fire protection services, they can provide guidance and take necessary measures to prevent any potential fire hazards during the process of opening fuel tanks.Rate this question:
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- 17.
How often must the Emergency Response Plan be exercised?
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Every 6 months
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Every year
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Every 18 months
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Ever 2 years
Correct Answer
A. Every yearExplanation
The Emergency Response Plan must be exercised every year. This ensures that the plan is regularly reviewed, updated, and tested to maintain its effectiveness. By conducting exercises annually, emergency response teams can identify any gaps or weaknesses in the plan and make necessary improvements. Regular exercises also help to familiarize personnel with their roles and responsibilities during an emergency, enhancing their preparedness and response capabilities. Additionally, annual exercises provide an opportunity to evaluate the effectiveness of communication systems, coordination among different departments, and overall emergency response procedures.Rate this question:
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- 18.
When using a high power injection gun, which step will protect the structure?
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Applying a temporary repair.
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Providing an air escape.
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Removing only one screw.
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Using a low pressure injection gun.
Correct Answer
A. Providing an air escape.Explanation
Providing an air escape is the correct answer because when using a high power injection gun, there is a risk of air getting trapped in the structure. This can cause pressure build-up and potentially damage the structure. By providing an air escape, the trapped air can be released, preventing any potential harm to the structure.Rate this question:
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- 19.
As an Aircraft Journeyman what are you duties regarding hazardous materials?
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Handle and label them according to only local environmental standards.
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None. You are not authorized to handle hazardous materials.
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Dispose of the according to applicable AFOSH standards.
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Handle, label, and dispose of them according to environmental standards.
Correct Answer
A. Handle, label, and dispose of them according to environmental standards.Explanation
As an Aircraft Journeyman, it is your duty to handle, label, and dispose of hazardous materials according to environmental standards. This ensures the safety of both the personnel involved and the environment. Following these standards helps in preventing any potential harm or damage that may be caused by the hazardous materials.Rate this question:
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- 20.
PMEL personnel are assigned to which flight?
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Aero space ground equipment.
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Munitions.
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Test measurement and diagnostic equipment.
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Fabrication.
Correct Answer
A. Test measurement and diagnostic equipment.Explanation
The correct answer is Test measurement and diagnostic equipment. This is because PMEL personnel are responsible for the maintenance, calibration, and repair of test measurement and diagnostic equipment used in various aerospace operations. They ensure that the equipment is accurate and reliable, which is crucial for the success of aerospace missions. Therefore, PMEL personnel are assigned to the flight that deals with test measurement and diagnostic equipment.Rate this question:
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- 21.
An over the shoulder evaluation of a technician or supervisor accomplishing a maintenance action is a
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Quality inspection.
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Personnel evaluation.
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Technical inspection.
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Supplemental inspection.
Correct Answer
A. Personnel evaluation.Explanation
An over the shoulder evaluation refers to observing someone perform a task or action. In this case, it is specifically referring to a technician or supervisor carrying out a maintenance action. A personnel evaluation involves assessing the performance and skills of an individual. Therefore, the correct answer is personnel evaluation, as it fits the context of the question.Rate this question:
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- 22.
What should you use to prevent other maintainers of inadvertently operating devices such as landing gear and flight control surfaces.
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Red Streamers
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Red Tags
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Danger Tags
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Warning tags
Correct Answer
A. Warning tagsExplanation
To prevent other maintainers from inadvertently operating devices such as landing gear and flight control surfaces, warning tags should be used. These tags serve as a visual reminder and alert to the potential danger associated with operating these devices. They help in ensuring that only authorized personnel handle and operate such equipment, reducing the risk of accidents or mishaps. The use of warning tags helps maintain safety protocols and prevent unauthorized access or operation of critical aircraft components.Rate this question:
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- 23.
What material is an authorized sealant scraper made from?
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Brass
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Copper
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Titanium
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Plastic
Correct Answer
A. PlasticExplanation
An authorized sealant scraper is made from plastic because plastic is a non-abrasive material that won't damage or scratch the surface being scraped. It is also lightweight and easy to handle, making it a practical choice for this task. Additionally, plastic is resistant to chemicals and can withstand the harsh conditions often encountered during sealant removal.Rate this question:
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- 24.
What feature in a fighter fuel quantity indicator will indicate the sum of fuel in all tanks on the aircraft?
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Probe
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Fuel load summation
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Fuel quantity select panel
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Totalizer
Correct Answer
A. TotalizerExplanation
The totalizer is a feature in a fighter fuel quantity indicator that indicates the sum of fuel in all tanks on the aircraft. It provides a consolidated measurement of the fuel quantity, allowing the pilot to easily determine the total amount of fuel available. This feature is important for monitoring fuel levels and ensuring that the aircraft has sufficient fuel for the duration of the flight.Rate this question:
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- 25.
Which component is designed to quickly connect and disconnect wires, thereby simplifying the installation of a shutoff valve?
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Cannon Plug
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Multiple group
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Wire bus
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Wire junction
Correct Answer
A. Cannon PlugExplanation
A cannon plug is a component that is designed to quickly connect and disconnect wires. It simplifies the installation of a shutoff valve by providing a secure and efficient way to connect the necessary wires. This allows for easier maintenance and replacement of the valve if needed. The other options, multiple group, wire bus, and wire junction, do not specifically refer to components designed for connecting and disconnecting wires.Rate this question:
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- 26.
What type of technical manual would you use to troubleshoot an electrical system problem on a modern-type aircraft?
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Fault isolation
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General vehicle
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Job guide
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Maintenance
Correct Answer
A. Fault isolationExplanation
To troubleshoot an electrical system problem on a modern-type aircraft, one would use a fault isolation manual. This type of technical manual provides step-by-step instructions to identify and isolate faults within the system. It helps technicians diagnose and rectify the problem by guiding them through a systematic process of elimination. By following the fault isolation manual, technicians can efficiently locate and resolve electrical system issues, ensuring the safe and reliable operation of the aircraft.Rate this question:
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- 27.
Which major assembly provides the lifting for an aircraft?
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Elevator
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Empennage
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Engines
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Wings
Correct Answer
A. WingsExplanation
The wings of an aircraft provide the lifting force necessary for it to stay in the air. The shape and design of the wings generate lift by creating a pressure difference between the upper and lower surfaces of the wing. This allows the aircraft to overcome gravity and stay airborne. The other options listed, such as the elevator, empennage, and engines, are important components of an aircraft but do not directly provide the lifting force.Rate this question:
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- 28.
What will happen to an air hose if it is run over by heavy equipment?
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It will get dirty.
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It will roll and become twisted.
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It will rupture.
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Nothing, air hoses are built for such conditions.
Correct Answer
A. It will rupture.Explanation
If an air hose is run over by heavy equipment, the weight and pressure exerted on the hose can cause it to rupture. The force from the heavy equipment can crush or puncture the hose, leading to a break or tear in the material. This can result in air leakage or complete failure of the hose, rendering it unusable. Therefore, the correct answer is that the air hose will rupture if it is run over by heavy equipment.Rate this question:
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- 29.
If you operate a pneumatic power tool higher then the specified pressure,
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Air compressors may pump condensation into the tool.
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It could cause "freeze-up" problems.
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It could explode and cause injury.
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It will automatically stop.
Correct Answer
A. It could explode and cause injury.Explanation
If a pneumatic power tool is operated at a pressure higher than the specified limit, it could lead to an increase in internal pressure within the tool. This excessive pressure can cause the tool to explode, resulting in potential injury to the operator or those nearby. Therefore, it is important to operate the tool within the recommended pressure range to prevent such dangerous situations.Rate this question:
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- 30.
What should the entry authority do with a canceled entry permit after task completion?
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Forward it to the base engineer.
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Forward it to the ground safety office.
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Forward it to the logistics group commander.
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Maintain it for a year.
Correct Answer
A. Maintain it for a year.Explanation
The entry authority should maintain the canceled entry permit for a year. This is important for record-keeping purposes and to ensure that there is documentation of the completed task. By keeping the canceled entry permit, the entry authority can refer back to it if needed and have a record of the task completion. This helps with accountability and organization within the entry authority's operations.Rate this question:
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- 31.
Which may be used to accelerate the curing of sealant?
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Accelerator
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Cold, dehumidified air
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Heat
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Moist heating pad
Correct Answer
A. HeatExplanation
Heat may be used to accelerate the curing of sealant. When heat is applied to the sealant, it increases the temperature of the surrounding environment, which in turn speeds up the chemical reactions that occur during the curing process. This increased temperature helps to promote the cross-linking of the sealant molecules, leading to a faster and more efficient curing process.Rate this question:
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- 32.
Many accidents can be prevented by simply
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Keeping your work area clean and orderly.
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Practicing good practical hygiene.
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Clean fuel spills at the end of the day.
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Keeping bench stock in its place.
Correct Answer
A. Keeping your work area clean and orderly.Explanation
Keeping your work area clean and orderly is important for preventing accidents because it reduces the risk of tripping, slipping, or falling. A cluttered work area can obstruct pathways and create hazards. By keeping the area clean, tools and equipment can be properly stored, reducing the chances of accidents caused by objects being left in unsafe positions. Additionally, a clean work area promotes better organization and efficiency, making it easier to locate and access necessary items and reducing the likelihood of accidents caused by rushing or searching for tools.Rate this question:
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- 33.
The main purpose of ground mishap reporting is to
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Identify circumstances or causes so future accidents can be prevented.
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Establish the circumstances so that accidents can be properly classified.
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Determine if non-Air Force personnel or property was involved.
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Establish the causes to determine financial responsibility.
Correct Answer
A. Identify circumstances or causes so future accidents can be prevented.Explanation
The main purpose of ground mishap reporting is to identify circumstances or causes so future accidents can be prevented. By reporting and analyzing ground mishaps, organizations can identify trends, patterns, and root causes of accidents. This information can then be used to implement corrective actions, improve safety procedures, and prevent similar accidents from happening in the future. It helps in learning from past mistakes and ensuring a safer environment for personnel and property.Rate this question:
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- 34.
Who determines the type of ear protection required for all aspect of your job?
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Personnel in the flight surgeon office.
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Local bioenvironmental flight personnel.
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Fuel element shop chief.
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Ground safety personnel.
Correct Answer
A. Local bioenvironmental flight personnel.Explanation
The local bioenvironmental flight personnel are responsible for determining the type of ear protection required for all aspects of the job. They have the expertise and knowledge to assess the specific environmental conditions and potential hazards that may affect hearing. This includes evaluating noise levels, identifying potential sources of noise exposure, and recommending appropriate ear protection measures to ensure the safety and well-being of personnel.Rate this question:
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- 35.
What light on a bomber aircraft aerial refueling system if all conditions are satisfied prior to boom and receptacle connection?
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Amber DISC light
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Blue STATUS light
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Green LATCHED light
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Blue READY/NWS light
Correct Answer
A. Blue READY/NWS lightExplanation
The blue READY/NWS light indicates that all conditions have been met prior to boom and receptacle connection in a bomber aircraft aerial refueling system. This light serves as a signal to the operator that it is safe to proceed with the connection process.Rate this question:
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- 36.
What is the unit of measurement for the opposition to current flow?
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Amp.
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Ohm.
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Volt.
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Watt.
Correct Answer
A. Ohm.Explanation
The unit of measurement for the opposition to current flow is called ohm. Ohm is a unit of electrical resistance, which measures how much a material or device resists the flow of electric current. It is named after the German physicist Georg Simon Ohm, who formulated Ohm's law, which relates current, voltage, and resistance in an electrical circuit.Rate this question:
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- 37.
What must be done when draining fuel into a metallic container?
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Bond the container to the aircraft.
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Ensure all facility doors are open.
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Place the container on the ground.
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Place several pieces of absorbent mat on the ground.
Correct Answer
A. Bond the container to the aircraft.Explanation
When draining fuel into a metallic container, it is important to bond the container to the aircraft. This is done to prevent the buildup of static electricity, which can pose a fire hazard. Bonding the container ensures that any static charges are safely discharged, reducing the risk of ignition. By connecting the container to the aircraft, any potential difference in electrical charge is equalized, preventing sparks that could ignite the fuel.Rate this question:
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- 38.
What type of illustration of the structure should be drawn to aid in locating a seal plane when troubleshooting a fuel leak?
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Cross-sectional
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Horizontal
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Inside
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Top
Correct Answer
A. Cross-sectionalExplanation
A cross-sectional illustration of the structure should be drawn to aid in locating a seal plane when troubleshooting a fuel leak. This type of illustration allows for a clear view of the internal components and their arrangement, making it easier to identify the location of the seal plane and potential sources of leakage. By providing a visual representation of the structure from a cut-away perspective, a cross-sectional illustration can help technicians and engineers analyze the problem and devise appropriate solutions.Rate this question:
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- 39.
The time required for sealant to cure to a point where it will not stick to a plastic film is the
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Application time.
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Cure time.
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Drying time.
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Tack-free time.
Correct Answer
A. Tack-free time.Explanation
The correct answer is "tack-free time." Tack-free time refers to the duration it takes for a sealant to cure to a point where it no longer remains sticky and does not adhere to a plastic film. This is an important factor to consider when using sealants, as it determines when the sealant can be safely handled or when additional processes can be carried out without the risk of the sealant sticking to other surfaces. The cure time, drying time, and application time may be related to the overall process of using sealant, but they do not specifically address the point at which the sealant becomes tack-free.Rate this question:
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- 40.
Who ensures there is an orientation program developed for all newly assigned personnel.
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Operations group commander
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Supply technician
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Fuels journeyman
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Maintenance group commander
Correct Answer
A. Maintenance group commanderExplanation
The maintenance group commander is responsible for ensuring that there is an orientation program developed for all newly assigned personnel. This is because the maintenance group commander is in charge of overseeing the maintenance operations and personnel within the organization. It is important for new personnel to receive proper orientation and training in order to effectively carry out their duties and responsibilities. Therefore, the maintenance group commander plays a crucial role in ensuring the development and implementation of an orientation program for new personnel.Rate this question:
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- 41.
All of these are an example of internal distractors except
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Daydreaming.
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Thinking about problems.
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Noises.
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Boredom.
Correct Answer
A. Noises.Explanation
Internal distractors refer to thoughts or mental processes that distract an individual from focusing on a task. Daydreaming, thinking about problems, and boredom are all examples of internal distractors as they involve the individual's own thoughts and emotions. However, noises are external stimuli that can be distracting but are not considered internal distractors.Rate this question:
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- 42.
Respirator training must be documented on AF form?
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55
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623
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1071
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1098
Correct Answer
A. 55 -
- 43.
What is a feature of a T-handle torque wrench?
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Can be adjusted in small increments.
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Can change wrench sizes using the same handle.
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Has a preset torque.
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Has a rubberized handle.
Correct Answer
A. Has a preset torque.Explanation
A T-handle torque wrench is a type of torque wrench that has a preset torque. This means that the wrench is set to apply a specific amount of torque to a fastener, and once that torque is reached, the wrench will automatically stop applying force. This feature is useful in applications where over-tightening can cause damage or under-tightening can result in loose connections. By having a preset torque, the T-handle torque wrench ensures that the correct amount of torque is applied consistently, reducing the risk of errors and ensuring proper fastening.Rate this question:
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- 44.
The one-part sealant injection gun is used to inject one part sealant into
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Channels and under wing skin.
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Loose rivet holes.
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Prepacks.
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Voids inside the tank.
Correct Answer
A. Channels and under wing skin.Explanation
The one-part sealant injection gun is used to inject one part sealant into channels and under wing skin. This means that the gun is specifically designed to apply sealant in these areas. It is not used for loose rivet holes, prepacks, or voids inside the tank.Rate this question:
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- 45.
What item prevents foreign objects from holding the bypass valve open in a dual-impeller pump?
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An inlet screen
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An in-line filter
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A one-way check valve
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A two-way check valve
Correct Answer
A. An inlet screenExplanation
An inlet screen is a device that is placed at the intake of a pump to prevent foreign objects from entering and obstructing the pump's operation. It acts as a barrier, allowing only clean water or fluid to pass through while blocking any debris or foreign objects. By preventing these objects from entering the pump, the inlet screen ensures that the bypass valve remains closed and the pump can function properly without any obstructions.Rate this question:
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- 46.
Approximately how much air space is left at the top of the fuel tanks of a cargo aircraft after ground refueling?
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1%
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3%
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5%
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7%
Correct Answer
A. 3%Explanation
After ground refueling, there is approximately 3% of air space left at the top of the fuel tanks of a cargo aircraft.Rate this question:
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- 47.
What part of the Wiggins coupling provides the sealing action when the coupling is torqued?
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Gasket
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O-ring
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Snap ring
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Split washer
Correct Answer
A. O-ringExplanation
The O-ring provides the sealing action when the Wiggins coupling is torqued. An O-ring is a circular rubber seal that is placed in a groove between two parts to prevent leakage of fluids or gases. When the coupling is torqued, the O-ring is compressed, creating a tight and secure seal that prevents any leakage. The O-ring's flexibility and ability to conform to irregularities in the mating surfaces make it an effective sealing mechanism in this type of coupling.Rate this question:
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- 48.
Which aircraft fuel leak location is considered external?
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Lower wing surface
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Flats
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Slats
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Vented dry bay
Correct Answer
A. Lower wing surfaceExplanation
The correct answer is the lower wing surface. This is because the lower wing surface is exposed to the external environment and therefore any fuel leak in this location would be considered external. Flats, slats, and the vented dry bay are all internal components of the aircraft and would not be considered external fuel leak locations.Rate this question:
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- 49.
When you clear a discrepancy in AFTO 781, what will be placed over the symbol?
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Minimum signature
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Last name initial
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First name initial
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First and last name initials
Correct Answer
A. Last name initialExplanation
When clearing a discrepancy in AFTO 781, the last name initial will be placed over the symbol. This is typically done to indicate that the discrepancy has been resolved or addressed by the individual whose last name initial is marked. It serves as a form of identification and accountability for the resolution of the discrepancy.Rate this question:
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Quiz Review Timeline (Updated): Mar 22, 2023 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 22, 2023Quiz Edited by
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Jan 06, 2016Quiz Created by
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