2A656 - Final Quiz - 3 May 2017

After prepping the wire, the next step is to melt a small amount of solder inside the terminal. This will create a secure connection between the wire and the terminal, ensuring a strong and reliable electrical connection.

To loosen B-nuts from a fitting on the tubing or hose of an oxygen regulator, it is necessary to hold the B-nuts with a wrench to prevent them from twisting. This is important because twisting the B-nuts could damage the fittings or cause leaks. By securely holding the B-nuts with a wrench, one can apply the necessary force to loosen them without causing any damage or compromising the integrity of the fittings.

To calculate the number of British thermal units (BTU) required to raise the temperature of 5 pounds of water by 5°F, we can use the formula: BTU = (weight of water in pounds) x (temperature change in °F) x (specific heat capacity of water). The specific heat capacity of water is approximately 1 BTU/lb°F. Plugging in the values, we get BTU = 5 x 5 x 1 = 25. Therefore, it takes 25 BTU to raise the temperature of 5 pounds of water by 5°F.

Applying a small amount of antiseize tape to the first three threads is the next step after replacing the liquid oxygen (LOX) component. This is done to ensure that the threads will not seize or become stuck when the fittings are installed. The antiseize tape acts as a lubricant and prevents corrosion, making it easier to tighten and loosen the fittings when necessary. By applying the tape, it helps to maintain the integrity and functionality of the fittings, ensuring a secure and leak-free connection.

When gas is trapped in a cylinder and pressure is applied to the piston while the temperature remains constant, according to Boyle's Law, the volume of the gas will decrease. This is because the pressure and volume of a gas are inversely proportional when the temperature remains constant. As the pressure increases, the volume of the gas decreases. Therefore, the correct answer is that the volume will decrease.

When the console floods switch is placed in the medium (MED) position, the aircraft interior floodlights are supplied with 14 VDC (volts direct current). This means that the floodlights will receive a voltage of 14 volts in order to operate at the desired brightness level.

When a gas is heated, the kinetic energy of its particles increases, causing them to move faster and collide more frequently with the walls of the container. This increased collision rate leads to a greater force exerted on the walls, resulting in an increase in pressure. Therefore, the correct answer is "increase".

Floodlights are the correct answer because they provide a wide and even distribution of light throughout the aircraft cabin. This helps to reduce the blinding effect of lightning flashes by ensuring that the light is not concentrated in one area, which could potentially cause temporary blindness or disorientation for the passengers and crew. Floodlights also help to create a more comfortable and visually balanced environment during nighttime flights.

A permanent magnet is able to keep its magnetism over time. Unlike temporary magnets, which lose their magnetism once the external magnetic field is removed, permanent magnets retain their magnetic properties indefinitely. This is due to the alignment of the magnetic domains within the material, which creates a strong and stable magnetic field. Therefore, the correct answer is that a permanent magnet keeps its magnetism.

The greater the current flow through an electromagnet, the stronger the magnetic field it produces. This is because the magnetic field strength is directly proportional to the current flowing through the electromagnet. Therefore, as the current increases, the magnetic field strength also increases.

The correct answer is to analyze the system using TO schematic diagrams. This step is important because it allows the technician to understand the system's wiring and components, and identify any potential issues or malfunctions. By referring to the technical order (TO) schematic diagrams, the technician can systematically analyze the system and pinpoint the source of the problem. This analysis helps in determining the appropriate course of action for troubleshooting and resolving the malfunction in the aircraft lighting system.

The correct answer is to wait 24 hours to take another reading. This is because the question states that the aircraft is serviced to 1,800 pounds per square inch (psi) when performing a high-pressure gaseous oxygen (GOX) leak test. It is common practice to wait 24 hours after pressurizing a system to ensure that there are no leaks. By waiting 24 hours, any potential leaks would have had sufficient time to manifest, allowing for an accurate reading of the system's pressure.

The intensity of electrical current flow is measured in amperes. Amperes (A) is the unit of electric current and represents the rate at which electric charges flow through a conductor. It measures the quantity of electrons passing through a point in a circuit per unit of time. Volts measure the electric potential difference, cycles measure the frequency of alternating current, and coulombs measure the quantity of electric charge.

According to Kirchhoff's voltage law, the sum of the voltage drops around a closed circuit is equal to the applied voltage. This means that as the current flows through the circuit, it encounters resistors which cause a drop in voltage. The sum of these voltage drops across all the resistors in the circuit will be equal to the applied voltage. Therefore, the correct answer is "sum of the voltage drops around the circuit."

Engine bleed air is tapped from the engine compression section to provide various functions such as cabin pressurization, air conditioning, and anti-icing. The approximate pressure and maximum temperature of engine bleed air is crucial to ensure proper functioning of these systems. The correct answer of 200 psi and 900°F indicates that the pressure is high enough to meet the requirements of the systems, while the temperature is within a safe range to prevent damage to the components. This combination strikes a balance between providing sufficient air pressure and temperature for system operation without exceeding the limits that could cause overheating or other issues.

If evidence of oil is found while using the "ultraviolet light method" of cleaning inspections on the TMU 27/M liquid oxygen storage and servicing cart, the correct action to take is to reject the part and clean it again. This is because the presence of oil can contaminate the liquid oxygen, which can be dangerous. Therefore, it is necessary to ensure that the part is thoroughly cleaned before it can be used for storing or servicing liquid oxygen.

In a two-phase induction motor, the current is said to be 90° out-of-phase. This means that the current in one phase lags behind the current in the other phase by 90°. This phase difference is necessary for the motor to create a rotating magnetic field, which is essential for its operation. The out-of-phase current allows the motor to start and run smoothly, generating the necessary torque to drive the load.

The term "slip" refers to the difference in speed between the stator's rotating magnetic field and the rotor in an induction motor. This slip is necessary for the motor to generate torque and produce rotational motion. As the rotor speed lags behind the rotating magnetic field, the slip is essential for the motor to operate efficiently.

Compressible high-pressure/high-temperature flange ducting does not require a gasket because it is designed to create a tight seal without the need for additional sealing materials. The compressible flange is able to deform and conform to the irregularities of the mating surfaces, ensuring a secure and leak-free connection. This type of flange is commonly used in applications where gaskets may fail under extreme conditions or where frequent disassembly and reassembly is required.

To perform a leakage test on an entire bleed air distribution system, listening and feeling for leaks is the most appropriate method. This is because leaks in the system can often be detected by the sound of escaping air or by feeling for the presence of air currents. Using an ultrasonic leak detector may also be effective in identifying high-frequency sounds produced by leaks. However, solely relying on listening or feeling for leaks provides a more comprehensive approach to identifying potential leaks in the system.

Most logic circuits use voltage polarity to define the input or output condition. Voltage polarity refers to the positive or negative nature of the voltage signal. In logic circuits, certain voltage levels are assigned to represent different binary states, such as 0 or 1. By defining the voltage polarity, the circuit can interpret and process these binary states accurately.

If a bleed air system leak is found in a high-pressure/high-temperature area, the next step is to inspect for heat damage. This is because a leak in such an area can cause the surrounding components to overheat, leading to potential damage. By inspecting for heat damage, one can identify any signs of overheating, such as discoloration, warping, or melting, which can help determine the extent of the problem and guide further actions to be taken.

The hand survey air-leakage test method is performed on the aircraft bleed air distribution system after replacing any couplings or valves. This is because when couplings or valves are replaced, there is a possibility of air leakage in the system. The hand survey air-leakage test is conducted to ensure that there are no leaks in the system and that it is functioning properly. By replacing any couplings or valves before conducting the test, it ensures that any potential leaks are addressed and the system can be accurately tested for air leakage.

The leak in the aircraft's bleed air system could have been caused by an improperly installed clamp. If the clamp is not installed correctly or is loose, it may not provide a secure seal, leading to a leak in the system.

If the system air pressure exceeds the pressure relief valve setting, it means that the valve is not functioning properly and needs to be adjusted or replaced. The pressure relief valve is designed to release excess pressure to prevent damage to the system. Therefore, adjusting or replacing the valve would be the next logical step to ensure the system operates within the desired pressure range.

The flow control valve is causing the problem. It is responsible for regulating the airflow to the cooling turbine. If the valve is not functioning properly or is stuck in a closed position, it would result in insufficient airflow to the turbine, leading to ineffective cooling and high cabin temperature.

The aircraft's bleed air cooling system's precooler is sometimes known as the primary heat exchanger. This is because the primary heat exchanger plays a crucial role in cooling the bleed air before it is used for various purposes such as cabin pressurization and air conditioning. It exchanges heat between the hot bleed air and cooler ambient air, thereby reducing the temperature of the bleed air and making it suitable for use in the aircraft's systems.

To connect an ammeter in a circuit, it is done in series. This means that the ammeter is connected in the path of the current flow, with one terminal connected to the point where the current enters the circuit and the other terminal connected to the point where the current exits the circuit. By connecting the ammeter in series, it allows the ammeter to measure the total current flowing through the circuit accurately.

In aircraft, hot bleed air used for air-conditioning needs to be cooled down. One way to achieve this is by using ram air. Ram air refers to the high-speed air that is forced into the aircraft's systems during flight. This high-speed air can be directed through a heat exchanger, where it absorbs the heat from the hot bleed air, thus cooling it down. Therefore, ram air is the correct choice for cooling the hot bleed air in the heat exchanger.

The typical multimeter is a versatile measuring instrument that can perform various functions. It can measure voltage (voltmeter), resistance (ohmmeter), and current (ammeter). In this case, the correct answer is "ohmmeter and ammeter" because these are the two functions that a typical multimeter can perform. A dosimeter measures radiation exposure, which is not a function of a multimeter. Similarly, a frequency meter and wattmeter are not typically included in a standard multimeter.

The rotary switch on the Fluke multimeter has a total of 8 positions, including the OFF position. This means that there are 7 other positions available for selecting different functions or settings on the multimeter.

To check for a shorted relay in a parallel circuit, it is necessary to isolate the component from the circuit. This involves disconnecting the relay from the circuit by removing any wires or connections. Once the relay is isolated, the power can be turned on to observe its behavior. If the relay is shorted, it will not function properly or may cause a circuit overload. By isolating the component, it becomes easier to identify any issues or faults with the relay. The use of an ammeter or voltmeter may be required to further diagnose the problem.

Nickel-cadmium (Ni-Cad) batteries and sealed lead-acid batteries must be stored and charged at least 5 feet from each other. This is because these two types of batteries have different chemistries and charging characteristics. Storing or charging them in close proximity can lead to cross-contamination or damage to the batteries. It is important to maintain a safe distance to prevent any potential hazards and ensure the longevity and performance of both battery types.

Bicarbonate of soda, also known as baking soda, is the correct neutralizing agent for sulfuric acid. When sulfuric acid reacts with bicarbonate of soda, it forms carbon dioxide gas, water, and a salt called sodium sulfate. This reaction helps to neutralize the acidity of sulfuric acid, making it less harmful and safer to handle. Distilled water, boric acid, and regular water are not effective neutralizing agents for sulfuric acid.

The correct answer is 175 ± 10°F. This means that the water separator over temperature switch in the bomber aircraft's air-conditioning system actuates at a temperature range of 165°F to 185°F. This range allows for a tolerance of ±10°F, ensuring that the switch will activate within this temperature range. The other options either have a different temperature range or a different tolerance, making them incorrect.

The pressure valves in a sealed lead-acid battery are designed to maintain cell pressure within a range of 2–60 psig. This range allows for flexibility in the pressure levels, ensuring that the battery remains within safe operating conditions. Pressure below 2 psig could indicate a leak or malfunction, while pressure above 60 psig could lead to overpressure and potential damage to the battery. Therefore, the pressure valves are set to regulate the pressure within this specific range to ensure the battery's optimal performance and safety.

The separators in a Nickel-cadmium (Ni-Cad) battery are made of a combination of nylon and cellophane. These separators have the important function of keeping the negative and positive plates from touching each other. This is crucial because if the plates were to touch, it would cause a short circuit and potentially damage the battery or even cause it to explode. Therefore, the separators act as a barrier between the plates, allowing the battery to function properly and safely.

If a sealed lead acid battery is found to be leaking during maintenance, the first thing that should be done is to terminate the maintenance. This is important to ensure the safety of the maintenance personnel and prevent any further damage or accidents. Continuing the maintenance could potentially expose the personnel to hazardous substances or cause further leakage, which could be dangerous. Therefore, terminating the maintenance is the immediate action that should be taken in such a situation.

Pitting corrosion of aluminum or magnesium alloy first appears as a white powdery deposit on the metal surface. This is likely due to the formation of corrosion products, such as oxides or hydroxides, which can appear as a powdery substance. This type of corrosion can occur when localized areas of the metal surface become damaged or exposed to corrosive environments, leading to the formation of small pits. These pits can then be filled with the white powdery deposit, indicating the presence of corrosion.

During all inspections, it is necessary to conduct a comprehensive inspection for corrosion on all metal components of the systems. This ensures that any signs of corrosion are identified and addressed promptly, preventing further damage or potential failures. Inspecting for corrosion during all inspections allows for regular monitoring and maintenance of the metal components, ensuring the overall integrity and longevity of the systems.

In a fixed isobaric, single-differential pressurization system, the action of the outflow valve is controlled by the regulating control chamber pressure. This means that the pressure in the regulating control chamber determines how much the outflow valve opens or closes. By adjusting the pressure in the regulating control chamber, the system can maintain a constant pressure inside the cabin.

The Production Superintendent directs the overall maintenance effort in their unit. They are responsible for overseeing the production and maintenance activities, ensuring that the work is carried out efficiently and effectively. They coordinate with different teams and departments to ensure smooth operations and timely completion of tasks. The Production Superintendent also manages resources, schedules, and budgets to optimize productivity and meet organizational goals.

The flight that is part of a maintenance squadron is the Test, Measurement, and Diagnostic Equipment (TMDE) flight. This flight is responsible for maintaining and calibrating the various equipment used in the maintenance operations of the squadron. They ensure that the equipment is in proper working condition and accurately measures and diagnoses any issues.

The correct answer is "Aircraft" because crew chiefs are responsible for the maintenance and repair of aircraft. They are in charge of inspecting, troubleshooting, and servicing the aircraft to ensure they are safe and operational. The aircraft maintenance squadron section specifically focuses on the maintenance and upkeep of the aircraft, making it the appropriate section for crew chiefs.

Quality assurance is the correct answer because it is the process of ensuring that products or services meet the required standards of quality. In the context of the given statement, maintenance technicians, supervisors, and commanders are responsible for maintaining the quality of their work. They work in concert with quality assurance to ensure that the maintenance activities are carried out in accordance with the established standards and procedures. Quality assurance plays a vital role in ensuring that the maintenance work is done correctly and meets the expected quality standards.

The correct answer is "20160130" because it follows the standard format of writing the date in the year-month-day order. In this format, the year is written first, followed by the month and then the day.

The individual making the entry determines the correct symbol to use when a malfunction is entered on a maintenance form. This is because they are the one who is directly involved in the situation and has the most accurate knowledge about the specific malfunction. They would be responsible for accurately identifying and documenting the issue using the appropriate symbol, ensuring clear communication and understanding within the maintenance process.

The correct answer is "The removal of a component that affects safe operation of the equipment." This means that if a component is removed from the equipment and it has an impact on the safe operation of the equipment, it will result in a red X "unsafe for flight" discrepancy.

When a new Air Force Technical Order (AFTO) Form 781A is initiated, discrepancies with a Red X cannot be transferred to the AFTO Form 781K.

The AFTO 781 H form provides the overall flight status or condition of the aircraft.

Cross-utilization training refers to the process of training individuals in tasks or skills that are outside their primary Air Force specialty code (AFSC). This type of training allows personnel to develop additional competencies and be able to perform duties in different areas within the Air Force. It enhances flexibility and adaptability within the workforce by enabling individuals to contribute in multiple roles and functions, thereby increasing overall operational efficiency and effectiveness.

The correct answer is 00–35D–54. This technical order (TO) specifically explains the Material Deficiency Reporting System.

When an airman signs out a toolbox, they assume custodial property responsibility for that toolbox. This means that they are responsible for the care, safekeeping, and proper use of the toolbox. Custodial responsibility involves maintaining and protecting the property entrusted to them, ensuring that it is returned in the same condition as when it was signed out. Supervisory responsibility would involve overseeing others' use of the toolbox, individual responsibility would refer to personal belongings, and command responsibility would involve overall accountability for property within a unit.

Personnel can be relieved from property responsibility by either turning in the property or transferring it to another individual or unit. This means that they can either return the property to the supply or logistics department, or they can transfer the responsibility of the property to someone else who will then be accountable for it. This allows for a smooth transition of property responsibility and ensures that the property is properly accounted for.

The correct answer is "Abbreviated." This category includes inspection workcards and checklists.

A job guide is a type of technical order (TO) that contains operational checkout procedures. It provides step-by-step instructions for performing specific tasks or procedures related to the operation and maintenance of a particular system or equipment. These procedures help ensure that the system or equipment is functioning correctly and can be checked and verified during regular inspections or maintenance activities. The job guide may include instructions on how to perform operational tests, inspections, adjustments, or calibrations to ensure proper functioning and identify any potential issues or faults.

In order to determine the part number of the malfunctioning component, you would check the wiring diagram's reference designator. The reference designator is a code or label used to identify specific components on a diagram. By referring to the reference designator, you can easily locate the corresponding part number for the faulty component.

The correct answer is 22 because the question states that to correct errors in a technical order, an Air Force Technical Order (AFTO) Form needs to be submitted. Among the options provided, 22 is the only one that matches the format of an AFTO Form number.

If your skin comes in contact with liquid nitrogen (LIN), seeking medical attention immediately is the correct course of action. Liquid nitrogen is extremely cold and can cause severe burns and frostbite on the skin. It is important to seek medical attention because a healthcare professional will be able to properly assess the extent of the injury and provide appropriate treatment. Attempting to rewarm the skin or running cold water over the affected area may not be sufficient in treating the injury caused by liquid nitrogen. Additionally, covering the affected skin immediately may not be the most effective action to take in this situation.

In the immediate area of explosives, tasks that are mission critical may be performed. This means that these tasks are of utmost importance and directly contribute to the success and safety of the mission involving explosives. These tasks are likely to involve handling, transporting, or disposing of explosives, and require specialized knowledge, skills, and precautions to prevent accidents or mishaps.

Connector pins are the most susceptible to electrostatic discharge (ESD) damage in a line replaceable unit (LRU). ESD occurs when there is a sudden flow of electricity between two objects with different charges. Connector pins are exposed and can easily accumulate static charges, making them more vulnerable to ESD. The discharge can damage the delicate electronic components connected to the pins, leading to malfunction or failure of the LRU. Therefore, proper ESD precautions and handling techniques are crucial when dealing with connector pins to prevent damage.

A skin contact wrist strap with a resistance of 1 megohm is required for personnel electrostatic discharge (ESD) grounding. This resistance value ensures that any static electricity built up on the person's body can safely dissipate through the strap and into the workbench surface. A resistance of 1 ohm would be too low and could potentially cause a rapid discharge of static electricity, while resistances of 10 ohms and 10 megohms would be too high and may not provide sufficient grounding.

A second-degree skin burn is an example of a physical hazard presented by a chemical hazard. This type of burn occurs when the skin comes into contact with a chemical that is corrosive or causes a thermal reaction. The chemical hazard in this situation is the substance that caused the burn, which could be a strong acid, base, or other corrosive material. The burn itself is a physical injury to the skin, caused by the chemical hazard.

Everyone is responsible for seeking out and eliminating accident causes because safety is a collective effort. While the unit commander, safety officer, and supervisors play crucial roles in ensuring safety measures are in place, it is ultimately the responsibility of every individual to actively identify and address potential accident causes. By involving everyone in this process, the chances of accidents occurring can be significantly reduced, creating a safer environment for all.

When planning the layout of any shop area, the main concern should be safety. This is because ensuring a safe environment is crucial to prevent accidents and injuries. By prioritizing safety, potential hazards can be identified and mitigated, such as organizing equipment in a way that minimizes the risk of tripping or falling. Additionally, considering safety measures like fire exits, emergency exits, and proper ventilation can contribute to a safe working environment for employees and customers.

A safe distance in front of jet engine intake ducts is typically considered to be 25 feet. This distance is necessary to prevent any objects or debris from being sucked into the engine, which could potentially cause damage or malfunction. By maintaining a significant distance, the risk of any foreign objects entering the engine is minimized, ensuring the safety and proper functioning of the aircraft.

When working around an aircraft with ejection seats, it is crucial to ensure that the seat safety pins are installed. These pins prevent accidental ejection and ensure the safety of personnel working in close proximity to the seats. Failing to have the safety pins installed can lead to serious accidents or injuries if the ejection mechanism is triggered unintentionally. Therefore, it is essential to double-check the presence of seat safety pins before conducting any work around the aircraft with ejection seats.

The correct answer is "Caution." The tag "Caution" is used to warn personnel about potential hazards. It is typically used in situations where there is a moderate level of risk or danger. This tag alerts individuals to exercise caution and take necessary precautions to avoid accidents or injuries.

Gamma radiation is the most deadly type of nuclear radiation because it has the highest energy and can penetrate the deepest into the body. It is highly ionizing and can cause severe damage to cells and DNA, leading to various health issues such as radiation sickness, cancer, and even death. Unlike alpha and beta radiation, gamma radiation does not have mass or charge, allowing it to travel long distances and easily pass through materials. Therefore, exposure to gamma radiation poses the greatest risk to human health.

The unit of measure for radiation quantity is Roentgen. The Roentgen is a unit used to measure the amount of ionizing radiation in the air. It quantifies the amount of radiation that produces a certain amount of ionization in a specific volume of air. This unit is commonly used in the field of radiation protection and is essential for assessing the potential health effects of exposure to radiation.

The correct answer is 8,000 rpm. This is because a constant speed drive (CSD) is used to drive a 60/80 kVA generator, and the output of the CSD is approximately 8,000 rpm.

The load controller is responsible for providing real load division during parallel generator operation in an AC power supply system. It ensures that the load is evenly distributed between the generators, preventing one generator from being overloaded while another is underutilized. By monitoring the load and adjusting the output of each generator accordingly, the load controller helps maintain a balanced and efficient power supply.

The emergency power interlock relay (EPIR) is the correct answer because it prevents the emergency generator from dropping off-line when the aircraft lands. This relay ensures that the emergency generator continues to supply power to critical systems even after the aircraft has landed, ensuring uninterrupted power supply during emergency situations.

During the troubleshooting process, reviewing the Air Force Technical Order (AFTO) Form 781A is done in order to define the discrepancy. This form contains information about the reported problem or malfunction, including any previous repairs or maintenance performed on the system. By reviewing this form, technicians can gather important details that will help them understand the nature of the discrepancy and determine the appropriate steps to resolve it.

In troubleshooting a situation where the normal battery is supplying direct current (DC) to the battery bus and emergency DC bus, the first step is to know the normal system operation. This means understanding how the system is supposed to function under normal circumstances. By having a clear understanding of the normal system operation, it becomes easier to identify any deviations or abnormalities that may be causing the problem. This knowledge will help guide further troubleshooting steps and ensure an accurate diagnosis of the issue.

The correct answer is 28 VDC at pin F of the actuator connector plug with either of the horizontal stabilizer trim control switches actuated. This is the best place to start taking meter readings because it directly relates to the issue mentioned in the aircraft write-up. The write-up states that the leading edge of the stabilizer does not move down when the trim control switch is put to the NOSE UP position. Therefore, checking for voltage at pin F of the actuator connector plug with the switch actuated can help determine if there is a problem with the trim control system.

The auxiliary trim switch is used as an emergency means of controlling the aileron trim control circuit. This switch provides an additional option for adjusting the aileron trim in case the primary control stick grip trim switch or the aileron trim control switch fails or malfunctions. It serves as a backup control to ensure that the pilot can still make necessary adjustments to the aileron trim during emergency situations.

When joining copper and aluminum terminal lugs together on the same terminal board stud, it is important to use a cadmium-plated washer. This is because cadmium plating provides a barrier between the copper and aluminum, preventing them from coming into direct contact with each other. Direct contact between copper and aluminum can lead to galvanic corrosion, which can weaken the connection and potentially cause electrical issues. The cadmium-plated washer acts as a protective layer, ensuring a secure and reliable connection between the copper and aluminum terminal lugs.

Glass is a good insulator because it has a high resistance to the flow of heat and electricity. It is made up of non-conductive materials, such as silica, which do not allow the transfer of heat or electrical current easily. This property makes glass an effective insulator, commonly used in windows, electrical insulators, and thermal insulation materials. Gold, copper, and silicon are all conductive materials, meaning they allow the flow of heat or electricity, and therefore, they are not good insulators.

The correct answer is to flush with large quantities of distilled water. This is because using a water-soluble cleaning agent requires removing any residue or impurities from the components. Flushing with distilled water helps to ensure that all traces of the cleaning agent are removed effectively. Distilled water is preferred as it is free from minerals and impurities that could potentially contaminate the components. By flushing with large quantities of distilled water, the components can be thoroughly cleaned before proceeding to the next steps in the cleaning process.

When a fighter aircraft's air-conditioning system (ACS) is operating on the ground, the ram air necessary to cool the bleed air flowing through the heat exchangers is provided by the ejector valve.

Survival Equipment is not a section of the Accessory Maintenance Flight. The other options, Fuels systems, Pneudraulics, and Egress, are all sections of the Accessory Maintenance Flight.

Air Force manuals are considered working handbooks because they provide comprehensive and detailed information on various topics related to Air Force operations, procedures, and guidelines. These manuals serve as practical guides and references for Air Force personnel, providing them with the necessary knowledge and instructions to carry out their duties effectively. Unlike pamphlets and instructions, which may provide more specific or limited information, manuals are designed to cover a wide range of subjects and serve as a comprehensive resource for Air Force personnel. Recurring publications may refer to any type of publication that is regularly published, but it does not specifically indicate that they are working handbooks.

The minimum information required on a hazardous chemical inventory is the name of the material. This means that at the very least, the inventory must include the names of all hazardous chemicals present in a given location. Other details such as location, quantity, and ingredient list may be helpful but are not necessary for the minimum requirement.

Cushioned clamps should not be used in bonding or grounding connections because the cushion acts as an insulator. This means that it prevents the flow of electrical current, which is essential for proper bonding and grounding. The purpose of bonding and grounding is to provide a safe path for electrical currents to follow, and using cushioned clamps would hinder this process by creating an insulation barrier. Therefore, it is important to avoid using cushioned clamps in these connections to ensure effective bonding and grounding.

In a series circuit, the total resistance is the sum of individual resistances. Using Ohm's law (V = IR), we can calculate the amperage by dividing the applied voltage (24 volts) by the total resistance (6 ohms). Therefore, the amperage is 24 volts / 6 ohms = 4 amps.

If a battery discharged at 2 amperes for 12 hours, it means that it supplied a constant current of 2 amperes for the entire duration. Ampere-hours is a measure of the amount of electric charge transferred, calculated by multiplying the current in amperes by the time in hours. Therefore, 2 amperes multiplied by 12 hours equals 24 ampere-hours.

Muscle paralysis can be caused by electrical current, and the amount of current required for this effect is measured in amperes (amps). The correct answer is 0.015 amps, which means that it takes 0.015 amps of electrical current to cause muscle paralysis. This level of current is sufficient to disrupt the normal functioning of the muscles and prevent them from contracting and moving properly.

To check the fuel boost pumps in the fuel control system, you need to pull and reset the pump circuit breakers. This action allows you to verify if there is any issue with the pumps by resetting the circuit breakers and observing if they trip again. By doing so, you can ensure that the fuel boost pumps are functioning properly and supplying fuel as required.

The solder composition 63/37 is preferred for printed circuit boards because it has a lower melting point and provides better wetting and flow characteristics. This composition, known as eutectic solder, ensures that the solder solidifies rapidly and evenly, reducing the risk of defects such as cold joints. Additionally, the 63/37 solder alloy has a higher tensile strength and better fatigue resistance, making it ideal for the mechanical stress that circuit boards may experience during operation.

Bleed air is usually taken from the compressor section of an aircraft engine. The compressor is responsible for compressing the incoming air before it enters the combustion chamber. Some of this compressed air is then bled off and used for various purposes such as cabin pressurization, anti-icing, and air conditioning. Taking bleed air from the compressor section ensures that the air is at a high enough pressure and temperature to perform these functions effectively.

Close-assault attack aircraft may develop insufficient cooling in the air-conditioning system (ACS) due to low amounts of ram air associated with slower speeds. At slower speeds, there is less airflow entering the aircraft, resulting in lower amounts of ram air. This reduced airflow can lead to insufficient cooling in the ACS, as there is not enough air to effectively remove heat from the system. This can be a problem especially in close-assault attack aircraft, which may operate at lower speeds during certain mission phases.

To troubleshoot a 28-volts direct current (VDC) circuit for a blown fuse (short), an ohmmeter is the appropriate tool to use. An ohmmeter measures electrical resistance and can determine if there is a break or a short in the circuit. By connecting the ohmmeter across the fuse, it can detect if the fuse has blown and has a high resistance, indicating a break in the circuit. This allows for easy identification of the faulty fuse and replacement can be done accordingly.

To determine if the non-electrostatic application (NESA) autotransformer is operating properly, the first step would be to disconnect either the X1 or X2 lead and check for voltage. By doing this, it allows for isolating the autotransformer from the rest of the circuit and testing if there is any voltage present. This step helps in troubleshooting and identifying any potential issues with the autotransformer. The other options of installing a new controller amplifier or bridge, or disconnecting the power switch, may be relevant steps in certain situations but they are not the initial steps to determine if the autotransformer is operating properly.

When striking an object with a hammer, the hammer face should be parallel to the work. This ensures that the force is evenly distributed across the surface being struck, maximizing the effectiveness of the strike and minimizing the risk of the hammer slipping or causing damage. By keeping the hammer face parallel to the work, the impact is concentrated and directed straight into the object, allowing for more accurate and controlled strikes.