2A654 CDC All UREs (100 Questions) Quiz-1

The most probable cause for the fuel venting overboard during refueling on a fighter aircraft is an inoperative refuel shutoff valve. This valve is responsible for stopping the refueling operation and preventing any fuel from being vented out. If the valve is not functioning properly, it would not close off the fuel flow, leading to the venting of fuel overboard during refueling.

In the Semimonocoque type of fuselage construction, the longerons serve as the primary load-bearing members of the fuselage. They are typically located along the length of the fuselage and provide structural strength and rigidity to the overall structure. The longerons carry the majority of the external loads and help distribute them evenly throughout the fuselage. They play a crucial role in maintaining the integrity and stability of the aircraft during flight and are therefore considered the strongest members of the fuselage.

To turn a multimeter on in auto-range mode, you need to place the function selector rotary switch to any position other than off. This is because the function selector switch is responsible for selecting the desired measurement function (such as voltage, current, resistance) on the multimeter. By placing it in any position other than off, you are activating the multimeter and allowing it to measure the desired quantity.

The internal tank vent and pressurization valve on a fighter aircraft are located in the vent tank. This tank is specifically designed to release excess pressure and allow for proper venting of the internal tanks in order to maintain optimal pressurization levels during flight.

Immediate action TCTOs are issued for conditions that pose an immediate risk to safety, including those that could result in a fatality if not corrected. These TCTOs require immediate attention and action to prevent any potential harm or loss of life.

The TCTO that can be identified by a border of alternately spaced red diagonals and red Xs on the title page is the "Urgent" TCTO.

The lower wing surface is considered an external location for an aircraft fuel leak because it is located outside the aircraft's structure. Fuel leaks on the lower wing surface can be easily detected and may pose a risk to the aircraft's safety. Slats, on the other hand, are movable surfaces located on the leading edge of the wings and are not directly exposed to the external environment. Therefore, they are not considered external fuel leak locations.

The correct answer is "Urgent action" because it specifies that compliance is required within a specified time limit of one of ten days. This indicates that the TCTO (Time Compliance Technical Order) labeled as "Urgent action" must be addressed and completed within a maximum of ten days.

A CAFSC, or Career Air Force Specialty Code, is a tool used to identify an airman's highest usable skill in relation to the overall requirements of the Air Force. It helps determine the specific area of expertise that an airman possesses and can effectively contribute to the mission of the Air Force. The CAFSC system ensures that each airman is assigned to a role that aligns with their skills and capabilities, maximizing their potential and optimizing the overall effectiveness of the Air Force.

The MC-7 air compressor is capable of producing high volumes of air. This means that it can generate a large amount of compressed air, which can be useful for various applications such as powering pneumatic tools or filling up large inflatable objects. This feature makes the MC-7 air compressor a versatile and efficient tool for tasks that require a significant amount of compressed air.

The maintenance group commander is responsible for ensuring that there is an orientation program developed for all newly assigned personnel. This role is typically in charge of overseeing the maintenance operations within a specific group or unit, and part of their responsibilities includes making sure that new personnel are properly integrated into the team. By developing an orientation program, the maintenance group commander can ensure that new personnel receive the necessary training, information, and resources to effectively carry out their duties and become productive members of the maintenance team.

The component maintenance squadron commander is responsible for the overall management of the squadron. In the military hierarchy, the maintenance group commander is the superior officer who oversees the operations of multiple squadrons, including the component maintenance squadron. Therefore, the maintenance group commander is the one to whom the component maintenance squadron commander reports and is accountable to.

The primary flight controls are responsible for controlling the directional movement about the axis of an aircraft. These controls include the rudder, which is located on the vertical stabilizer of the aircraft. By manipulating the rudder, the pilot can control the yawing motion of the aircraft, allowing it to turn left or right. Therefore, the primary flight controls are the correct answer to this question.

The deficiency reporting system is used to report any issues or deficiencies that arise in a particular system or item. In this case, the correct answer is "Boost pump deficiency due to nonconformance to specifications" because it specifically mentions a deficiency in the boost pump, which is a component of a system, and states that it does not conform to the specifications. This answer aligns with the purpose of the deficiency reporting system, which is to identify and address any deviations or nonconformities in the system.

The purpose of the stringers in an integral fuel tank is to provide attachment points for the skin. Stringers are structural elements that run longitudinally along the length of the tank, reinforcing and supporting the skin. They help distribute the loads and stresses evenly across the tank, ensuring the integrity and strength of the structure. By providing attachment points for the skin, the stringers help to maintain the shape and stability of the fuel tank, preventing deformation and potential fuel leakage.

The most probable cause of the malfunction in the crossfeed system on the tanker aircraft is a malfunctioning boost pump. This is because the boost pump is responsible for providing the necessary pressure to route fuel to the crossfeed manifold. If the boost pump is not functioning properly, there will be no pressure available for fuel to flow to the crossfeed manifold, leading to the malfunction.

The correct answer is Totalizer. A 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 cumulative reading of the fuel quantity from all the tanks, allowing the pilot to have an overall view of the fuel available in the aircraft. This information is crucial for flight planning, ensuring that the aircraft has sufficient fuel for the intended mission or journey.

To troubleshoot an electrical system problem on a modern-type aircraft, one would use a fault isolation technical manual. This type of manual provides step-by-step instructions and procedures to identify and isolate faults in the electrical system. It helps technicians in identifying the root cause of the problem and guides them in the process of troubleshooting and resolving the issue. The fault isolation manual is specific to the aircraft's electrical system and provides detailed information on the system's components, wiring diagrams, and troubleshooting techniques.

Troubleshooting is the type of O&M TO (Operations and Maintenance Technical Order) that enables you to isolate a malfunctioning component. Troubleshooting involves systematically identifying and resolving problems or issues in a system or equipment. It allows you to identify the root cause of a malfunction and isolate the specific component that is causing the problem. By following a troubleshooting process, you can effectively diagnose and fix the issue, ensuring that the malfunctioning component is identified and repaired.

A special inspection is outlined in the -6 TO and differs from other types of inspections in that only one part of the aircraft or item requires inspection. This type of inspection is specific to a particular component or system and is conducted separately from routine or periodic inspections. It is typically carried out in response to a specific event or condition, such as a malfunction or damage, to ensure the continued airworthiness and safety of the aircraft.

A shutoff valve motor in an aircraft electrical circuit can be considered a load device because it consumes electrical energy and converts it into mechanical energy to control the opening and closing of the valve. As a load device, it puts a load on the electrical circuit and requires power to function.

The MC-1A fuel maintenance support equipment item provides both low- and high-air pressure systems.

During the "Look phase" of an inspection, all write-ups are found and documented. This phase involves thoroughly examining the area or object being inspected to identify any issues or violations. It is during this phase that inspectors carefully observe and document any write-ups or violations that need to be addressed. The pre-inspection meeting, on the other hand, is a meeting held before the inspection to discuss the objectives and procedures, but it does not involve the actual documentation of write-ups.

A pneumatic buffer would be the appropriate tool to repair a fuel cell fitting flange. A pneumatic buffer is a handheld tool that uses compressed air to rotate a buffing pad, allowing for smooth and even polishing or buffing of surfaces. In the case of repairing a fuel cell fitting flange, a pneumatic buffer can be used to remove any imperfections or corrosion on the flange surface, ensuring a proper fit and seal. It provides a controlled and precise method for smoothing and polishing the flange, making it an ideal tool for this task.

To prepare the surface for the new fillet after removing the defective sealant, you should abrade 1/2 inch from the ends of the fillet. This ensures that the new fillet will have a clean and properly adhered surface to bond with, promoting a strong and effective seal. Abrading too close to the ends may compromise the integrity of the fillet, while abrading too far may result in an inadequate surface for the new fillet to adhere to.

If all external tanks on a fighter aircraft failed to transfer fuel, the most probable cause would be the vent and pressurization valve being stuck closed. This would prevent the tanks from properly venting and pressurizing, resulting in the failure to transfer fuel.

Standard Base Supply is the system that allows logistics personnel, customers, and commanders to track every item in the supply system through standardized procedures. This system ensures that there is a consistent and efficient process in place for managing and tracking the supply chain, from procurement to distribution. It enables transparency and accountability by providing visibility into the location and status of each item, ensuring that all stakeholders have access to accurate and up-to-date information.

Fuel transfers from the reserve tank on a tanker aircraft during flight due to the force of gravity. As the aircraft consumes fuel from the main tank, the fuel level in the reserve tank decreases. Since the reserve tank is located at a higher position than the main tank, gravity causes the fuel to flow from the reserve tank to the main tank, ensuring a continuous supply of fuel to the engines.

In this situation, the malfunctioning component is most likely an inoperative valve actuator motor. This is indicated by the fact that the voltage reading at the applicable pins on the cannon plug for the SPR drain shutoff valve is 115 VAC, indicating that power is reaching the valve. Additionally, the manual override lever is in the CLOSED position, suggesting that the valve should be closed but is not due to a faulty actuator motor.

The responsibility for establishing procedures to clear repeat and recurring discrepancies rests with the Group commander. This means that the Group commander is in charge of creating and implementing protocols to address any ongoing issues or problems that arise repeatedly. They are responsible for ensuring that these discrepancies are resolved and prevented from happening again in the future.

The correct answer is inspection work cards. Inspection requirements from the -6 inspection TO are listed in inspection work cards. These cards contain detailed instructions and guidelines for conducting inspections, including the specific areas or components that need to be inspected, the tools or equipment required, and any special procedures or precautions that need to be followed. The inspection work cards serve as a checklist for the inspector to ensure that all necessary inspections are carried out and documented properly.

The fifth part of the MIDAS manual number identifies the subsystem.

The organizational group concerned with the maintenance of air and space weapon systems is the Maintenance department. This group is responsible for ensuring that the weapons systems are in proper working order, conducting regular inspections, and performing any necessary repairs or maintenance tasks. They play a crucial role in keeping the air and space weapon systems operational and ready for use.

The crossfeed system is designed to prevent the engine from running out of fuel and flaming out if the main tank is hit by small arms fire. This system allows fuel to be transferred from one tank to another, ensuring a continuous fuel supply to the engine. By transferring fuel from an undamaged tank to the affected one, the crossfeed system ensures that the engine can continue running even if the main tank is compromised.

To use body tank fuel to feed the engines on a tanker aircraft, air refueling tanks must be operating. Air refueling allows the tanker aircraft to receive fuel from another aircraft while in flight, enabling it to transfer the fuel to its own tanks and use it to power its engines. This process is crucial for extending the range and endurance of the tanker aircraft, allowing it to effectively support and refuel other aircraft during missions.

The AFTO Form 22 report that requires a response within 45 calendar days after receipt is the Routine report. This report is considered a standard or normal report that does not require immediate attention or action. The response time of 45 calendar days allows for sufficient time to review and address any issues or concerns mentioned in the report.

MIL-H-8794 is the correct answer because it refers to a medium pressure rubber hose that is suitable for use in fuel systems. The other options, null and MILF-H-7938, do not specify the type of hose or its compatibility with fuel systems. Therefore, MIL-H-8794 is the most appropriate choice for the given question.

Acceptance inspection is conducted when an aircraft is examined with sufficient thoroughness to determine its mechanical fitness for flight and the completeness of its equipment and supporting documents. This type of inspection ensures that the aircraft meets all the necessary requirements and is ready for operation. It involves a comprehensive evaluation of the aircraft's condition, systems, equipment, and documentation to ensure that it is safe and in compliance with regulations.

The responsibility and accountability for mission results rest with the Wing commander. The Wing commander is the highest-ranking officer in charge of a Wing, which is a larger organizational unit within the military. They are responsible for planning, organizing, and executing missions, as well as ensuring the overall success and effectiveness of the Wing. Therefore, the Wing commander is the one who ultimately bears the responsibility and accountability for the outcomes of these missions.

The letter A in the fault code 28-25-AM indicates that a fault isolation diagram is provided. This means that there is a diagram or documentation available that can help in identifying and isolating the specific fault or issue in the bomber aerial refueling system. This diagram can be used as a guide to determine the corrective action required to fix the problem.

The correct answer is "Variable." In the tank scavenge system of a cargo aircraft, variable displacement jet/ejector pumps are used. These pumps have the ability to adjust their displacement, or the amount of fluid they can move per unit of time, based on the demand of the system. This allows for more efficient and effective operation of the tank scavenge system, as the pumps can adapt to varying flow rates and pressures.

The squadron commander is responsible for enforcing sound maintenance practices. This means that they are in charge of ensuring that proper maintenance procedures and protocols are followed within the squadron. They have the authority and oversight to ensure that maintenance tasks are carried out correctly and that any issues or concerns are addressed promptly. The squadron commander plays a critical role in maintaining the safety and efficiency of the squadron's operations through their enforcement of sound maintenance practices.

Demand Processing is the correct answer because it refers to the initial step in the process of obtaining material from supply. Demand Processing involves receiving and analyzing customer orders or requests for specific products or materials. It includes activities such as order entry, order verification, and order prioritization. This step is crucial as it determines the quantity and type of materials required, which then triggers the subsequent steps in the supply chain, such as procurement and inventory management.

The correct answer is deficiency reporting programs. The product improvement program focuses on identifying and addressing any deficiencies in the product. By implementing deficiency reporting programs, the company can gather feedback and reports from users or maintenance personnel about any issues or shortcomings in the product. This allows them to track and address these deficiencies, leading to continuous improvement and better quality of the product.

When a cell requires two patches, the second patch should be cut 1 inch larger than the first. This is because the second patch needs to cover the entire area of the first patch and extend an additional inch to ensure complete coverage.

The fuel low-level sensors on a fighter aircraft are located in the reservoir tank units. These units are responsible for storing the fuel and monitoring its level. By having the sensors in the reservoir tank units, the aircraft can accurately measure the fuel level and provide warnings when it reaches a low level. This ensures that the pilot is aware of the fuel status and can take necessary actions to refuel if needed.

Conversion coating (MIL-C-81706, Class 1A) is a type of coating that is specifically used to coat aluminum tubing after removing corrosion. This type of coating helps to protect the aluminum tubing from further corrosion and improves its durability and lifespan. It creates a thin, protective layer on the surface of the tubing, which acts as a barrier against environmental factors that could cause corrosion. Therefore, the correct answer is aluminum tubing after removing corrosion.

The correct answer is "is managed on a functional basis." This means that the Air Force supply system is organized and operated based on different functions or departments, such as procurement, inventory management, and distribution. This approach allows for more efficient and effective management of the supply system, as each function can be specialized and focused on its specific tasks and responsibilities. By managing the system on a functional basis, the Air Force can ensure that the supply chain is streamlined and optimized to meet the needs of its operations.

To determine whether the tank scavenge system on cargo aircraft is operating properly, it is important to check the sump low lights and fuel quantity indicators. The sump low lights indicate if there is any excess fuel or debris in the fuel tank, which can affect the system's efficiency. Additionally, the fuel quantity indicators provide information about the amount of fuel present in the tank, allowing for proper monitoring and maintenance of the scavenge system. By checking both these indicators, one can ensure that the tank scavenge system is functioning correctly.

A nitrogen cart is used to support the inerting of a fuel tank. Inerting refers to the process of reducing or eliminating the oxygen content in the tank to prevent combustion. Nitrogen is commonly used for this purpose as it is an inert gas that does not support combustion. The nitrogen cart is a portable equipment item that contains a supply of nitrogen gas, which can be connected to the fuel tank to fill it with nitrogen and displace any oxygen present. This helps to create a safe environment by reducing the risk of fire or explosion.