2A651 Volume 3 Ure's

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  • 1/100 Questions

    What is the composition of jp-8 fuel?

    • Gasoline and kerosene
    • Gasoline and diesel fuel
    • Diesel fuel and kerosene
    • Diesel fuel and aviation gasoline
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2A651 Quizzes & Trivia
About This Quiz

This quiz, titled '2a651 volume 3 ure's,' assesses knowledge on JP-8 fuel composition, its properties, and related aircraft fuel system components. It evaluates understanding of fuel system mechanics, critical for safe jet operation and maintenance.

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  • 2. 

    At room temperature, how many times longer willit take water to settle out of jp-8 that out of gasoline?

    • 2

    • 3

    • 4

    • 5

    Correct Answer
    A. 4
    Explanation
    Water will take 4 times longer to settle out of JP-8 compared to gasoline at room temperature.

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  • 3. 

    Jet aircraft operating at moderately high altitudes increase the fuel system's susceptibility to an icing condition, further aggravated by the?

    • Lower viscosity of jet fuels

    • Higher viscosity of jet fuels

    • Lower viscosity of free water

    • Higher viscosity of free water

    Correct Answer
    A. Higher viscosity of jet fuels
    Explanation
    Jet aircraft operating at moderately high altitudes increase the fuel system's susceptibility to an icing condition. This is further aggravated by the higher viscosity of jet fuels. Higher viscosity means that the fuel is thicker and flows less easily. In cold temperatures, this can lead to the formation of ice crystals or ice particles in the fuel, which can clog the fuel system and cause engine failure. Therefore, the higher viscosity of jet fuels increases the likelihood of icing in the fuel system at high altitudes.

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  • 4. 

    The main fuel control allows the jet engine to safety accelerate, reducing the possibility of?

    • Flameout

    • Turbine seizure

    • Compressor shift

    • Overtemperature

    Correct Answer
    A. Flameout
    Explanation
    The main fuel control in a jet engine is responsible for regulating the fuel flow to ensure a safe acceleration. By maintaining the correct fuel-air mixture, it prevents a flameout, which is the sudden extinguishing of the flame in the engine combustion chamber. This is crucial to avoid a loss of power and potential engine failure. Therefore, the main fuel control helps reduce the possibility of a flameout occurring during the engine's acceleration process.

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  • 5. 

    The purpose of a fuel/oil cooler in a fuel system is to?

    • Heat the fuel and cool the oil

    • Cool the fuel and cool the oil

    • Heat the fuel and heat the oil

    • Cool the fuel and heat the oil

    Correct Answer
    A. Heat the fuel and cool the oil
    Explanation
    The purpose of a fuel/oil cooler in a fuel system is to heat the fuel and cool the oil. This is important because fuel needs to be at the optimal temperature for combustion, and cooling the oil helps to prevent it from overheating and breaking down. By heating the fuel and cooling the oil, the cooler ensures that both components are functioning efficiently and effectively in the fuel system.

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  • 6. 

    During a visual inspection, how can you tell when a fuel filter is clogged?

    • A green flag pops out of the filter

    • Fuel pressure from the fuel pump is low

    • A differential pressure indicator is actuated

    • There is no way to tell without disassembling the filter

    Correct Answer
    A. A differential pressure indicator is actuated
    Explanation
    A differential pressure indicator is actuated when a fuel filter is clogged. This means that there is a noticeable difference in pressure on either side of the filter, indicating a blockage. By observing the actuation of the differential pressure indicator, it can be determined that the fuel filter is clogged without the need for disassembling it.

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  • 7. 

    On a dual-spool, axial-flow engine, what controls thrust production of the engine?

    • Regulating engine rpm

    • Regulating compressor discharge pressure

    • Controlling turbine exhaust pressure

    • Controlling turbine inlet temperature

    Correct Answer
    A. Controlling turbine inlet temperature
    Explanation
    Controlling the turbine inlet temperature is the correct answer because it directly affects the thrust production of the engine. By regulating the temperature of the air entering the turbine, the engine can optimize the combustion process and ensure efficient power generation. Higher turbine inlet temperatures result in increased thrust production, while lower temperatures can reduce thrust. Therefore, controlling the turbine inlet temperature is crucial for maintaining optimal engine performance and maximizing thrust output.

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  • 8. 

    During jet engine deceleration, a hydromechanical fuel control schedules fuel flow as a function of?

    • Rpm

    • Inlet temperature

    • Burner pressure

    • Inlet pressure

    Correct Answer
    A. Burner pressure
    Explanation
    During jet engine deceleration, a hydromechanical fuel control schedules fuel flow as a function of burner pressure. Burner pressure is an important parameter that affects the combustion process in the engine. By adjusting the fuel flow based on the burner pressure, the fuel control system can maintain the desired level of combustion efficiency and power output during deceleration. This helps to ensure smooth and controlled deceleration of the jet engine.

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  • 9. 

    What type of fuel control uses items such as thermocouples, relays, amplifiers, and solenoids to help control a jet engine?

    • Pneumatic

    • Fuel injection

    • Hydromechanical

    • Electrohydromechanical

    Correct Answer
    A. Electrohydromechanical
    Explanation
    Electrohydromechanical fuel control uses items such as thermocouples, relays, amplifiers, and solenoids to help control a jet engine. This type of fuel control system combines both electrical and hydraulic components to regulate the flow of fuel to the engine. Thermocouples measure the temperature, relays and amplifiers control the electrical signals, and solenoids control the hydraulic valves. By integrating these different components, electrohydromechanical fuel control ensures precise and efficient fuel delivery, optimizing the performance of the jet engine.

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  • 10. 

    Which term describes a jet engine fuel metering device that is really two fuel controls in one component?

    • Unified

    • Combined

    • Binmechanical

    • Electrosecondary

    Correct Answer
    A. Unified
    Explanation
    A unified fuel metering device refers to a jet engine fuel control system that combines two separate fuel controls into a single component. This means that instead of having two separate controls for fuel metering, the unified system integrates both controls into one unit. This can provide greater efficiency and simplification in the fuel control system of a jet engine.

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  • 11. 

    Calibration and/or adjustment screws that require setting during an engine trim procedure must be?

    • Replaced

    • Die marked

    • Safety sealed and/or lockwired

    • Applied a thread locking compound

    Correct Answer
    A. Safety sealed and/or lockwired
    Explanation
    During an engine trim procedure, calibration and/or adjustment screws need to be safety sealed and/or lockwired. This is done to ensure that the screws do not come loose or change position unintentionally, which could lead to incorrect engine performance. Safety sealing and lockwiring provide a physical barrier and secure the screws in place, preventing any unwanted adjustments or movements.

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  • 12. 

    When in primary mode, what controls the operation of the f100-pw-220 engine?

    • Mec

    • Pmg

    • Tsfc

    • Deec

    Correct Answer
    A. Deec
    Explanation
    The DEEC (Digital Electronic Engine Control) controls the operation of the F100-PW-220 engine when in primary mode. DEEC is responsible for monitoring and adjusting various engine parameters such as fuel flow, temperature, and pressure to ensure optimal performance and efficiency. It receives inputs from sensors and uses algorithms to make real-time adjustments, ensuring smooth and reliable engine operation.

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  • 13. 

    On an f100-pw-220 engine, the deec is cooled by?

    • Oil

    • Fuel

    • Ram air

    • Hydraulic fluid

    Correct Answer
    A. Fuel
    Explanation
    The DEEC (Digital Electronic Engine Control) on an F100-PW-220 engine is cooled by fuel. The DEEC is responsible for monitoring and controlling various engine parameters, such as fuel flow, temperature, and pressure. Since fuel is already present in the engine, it can be used as a cooling medium for the DEEC. This helps in dissipating the heat generated by the control unit, ensuring its proper functioning and longevity.

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  • 14. 

    On an f100-pw-220 engine, how many modes is the mfc capable of operating in?

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 2
    Explanation
    The MFC (Main Fuel Control) on an F100-PW-220 engine is capable of operating in two modes.

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  • 15. 

    Which f100-pw-220 engine fuel system component controls pressurization of the core engine fuel system?

    • Fuel nozzle

    • P&d vale

    • N2 sensor

    • Tt 2.5 sensor

    Correct Answer
    A. P&d vale
    Explanation
    The P&D valve controls the pressurization of the core engine fuel system. It regulates the flow of fuel to maintain the required pressure for efficient engine operation. The fuel nozzle, N2 sensor, and Tt 2.5 sensor are not directly responsible for controlling the pressurization of the fuel system.

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  • 16. 

    Which stage of compressor air drives the augmenter fuel pump on an f100-pw-200 engine?

    • 7th

    • 10th

    • 13th

    • 14th

    Correct Answer
    A. 13th
    Explanation
    The correct answer is 13th. In an F100-PW-200 engine, the 13th stage of the compressor is responsible for driving the augmenter fuel pump. The augmenter fuel pump is an important component that provides fuel to the afterburner for increased thrust.

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  • 17. 

    Core engine fuel flow sequence on an f100-pw-220 engine starts at the main fuel pump and then goes through the?

    • Afp, afc, fule/oil cooler, p&d, and fuel nozzles

    • Mfc, fuel/oil cooler, p&d, and fuel nozzles

    • Afc, afp, fuel/oil cooler, p&d, and fuel nozzles

    • Fuel/oil cooler, p&d, mfc, and fuel nozzles

    Correct Answer
    A. Mfc, fuel/oil cooler, p&d, and fuel nozzles
    Explanation
    The correct answer is mfc, fuel/oil cooler, p&d, and fuel nozzles. The core engine fuel flow sequence on an F100-PW-220 engine starts at the main fuel control (mfc), which regulates the flow of fuel. From there, the fuel flows through the fuel/oil cooler, where it is cooled before entering the engine. Next, the fuel passes through the p&d (pressure and drain) system, which further regulates and drains any excess fuel. Finally, the fuel is delivered to the engine combustion chamber through the fuel nozzles.

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  • 18. 

    On the t56 engine, how many and what type of fuel pumps are contained in the fuel pump and filter assembly?

    • 3 gear; 1 boost

    • 2 gear; 2 boost

    • 2 gear; 1 boost

    • 1 gear; 2 boost

    Correct Answer
    A. 2 gear; 1 boost
    Explanation
    The correct answer is 2 gear; 1 boost. This means that in the fuel pump and filter assembly of the t56 engine, there are two gear pumps and one boost pump. The gear pumps are responsible for delivering fuel from the fuel tank to the engine, while the boost pump provides additional pressure to ensure proper fuel flow.

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  • 19. 

    On a t56 engine, what controls the rotary movement of the fuel control metering valve?

    • Temperature

    • Engine speed

    • Throttle position

    • Compressor inlet pressure

    Correct Answer
    A. Compressor inlet pressure
    Explanation
    The compressor inlet pressure controls the rotary movement of the fuel control metering valve on a T56 engine. This is because the compressor inlet pressure directly affects the amount of air entering the engine, which in turn determines the fuel-air mixture ratio. By adjusting the position of the fuel control metering valve based on the compressor inlet pressure, the engine can maintain the optimal fuel-air mixture for efficient combustion and performance.

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  • 20. 

    Which t56 engine component receives 120 percent of the engine fuel requirement?

    • Td valve

    • Fuel control

    • Td control

    • Fuel nozzle

    Correct Answer
    A. Td valve
    Explanation
    The TD valve receives 120 percent of the engine fuel requirement.

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  • 21. 

    In addition to the visual inspection, what other type of inspection does the t56 engine fuel nozzle require?

    • Nondestructive

    • Spray pattern

    • Pre-torque

    • Ultrasonic

    Correct Answer
    A. Spray pattern
    Explanation
    The T56 engine fuel nozzle requires a spray pattern inspection in addition to the visual inspection. This means that besides visually inspecting the nozzle, it is also necessary to check the spray pattern produced by the nozzle. This is important as a proper spray pattern ensures efficient fuel combustion and optimal engine performance.

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  • 22. 

    In what position must the td valve switches be placed in order to make the t56 engine fuel trimming system inoperative?

    • Off

    • Null

    • Auto

    • Locked

    Correct Answer
    A. Null
    Explanation
    The correct answer is "null". In order to make the T56 engine fuel trimming system inoperative, the TD valve switches must be placed in the "null" position. This means that the switches should not be in any specific position or mode, but rather in a neutral or inactive state. Placing the switches in the "null" position would effectively disable the fuel trimming system and prevent any adjustments or modifications to the fuel flow.

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  • 23. 

    On the t56 engine, what compares the desired throttle setting from the coordinator with the actual TIT signal from the thermocouples?

    • Td valve

    • Speed-sensitive control

    • Td potentiometers

    • Td amplifiers

    Correct Answer
    A. Td amplifiers
    Explanation
    The TD amplifiers on the T56 engine compare the desired throttle setting from the coordinator with the actual TIT (Turbine Inlet Temperature) signal from the thermocouples. These amplifiers help to regulate and control the engine's throttle based on the temperature readings, ensuring that the engine operates within safe limits and optimally.

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  • 24. 

    Which t56 engine component sends the fuel to the fuel manifold?

    • Td valve

    • Main fuel pump

    • Td amplifier

    • Fuel control

    Correct Answer
    A. Td valve
    Explanation
    The correct answer is the td valve. The td valve is responsible for sending the fuel to the fuel manifold in the t56 engine. It controls the flow of fuel and ensures that it is distributed properly to the fuel manifold.

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  • 25. 

    On the t56 engine, the manifold pressure switch opens to de-energize the fuel enrichment relay when fuel pressure, in psi, in the manifold reaches?

    • 30 psi

    • 40 psi

    • 50 psi

    • 60 psi

    Correct Answer
    A. 50 psi
    Explanation
    The manifold pressure switch on the T56 engine opens to de-energize the fuel enrichment relay when the fuel pressure in the manifold reaches 50 psi. This means that once the fuel pressure reaches this level, the switch will cut off the power supply to the fuel enrichment relay, which is responsible for providing additional fuel to the engine during certain conditions. This helps to regulate the fuel flow and maintain optimal performance of the engine.

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  • 26. 

    When the null orifice on the t56 engine td valve is set at zero, how much fuel will the valve bypass?

    • 0%

    • 10%

    • 20%

    • 30%

    Correct Answer
    A. 20%
    Explanation
    When the null orifice on the T56 engine TD valve is set at zero, it means that there is no bypass for fuel. Therefore, the valve will not bypass any fuel, resulting in a 0% bypass.

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  • 27. 

    The temperature datum system static check must be made whenever which component has been replaced?

    • Compressor

    • Power section

    • Torquemeter shaft

    • Reduction gearbox

    Correct Answer
    A. Power section
    Explanation
    The temperature datum system static check must be made whenever the power section has been replaced. This is because the power section is a critical component that can affect the temperature readings in the system. By conducting a static check, any discrepancies or errors in the temperature datum system can be identified and corrected, ensuring accurate temperature measurements and proper functioning of the system.

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  • 28. 

    When classified as to structure, which of the following is not a type of an oil pump?

    • Gear

    • Gerotor

    • Rotogear

    • Sliding vane

    Correct Answer
    A. Rotogear
    Explanation
    The correct answer is rotogear because it is not a type of oil pump. Gear, gerotor, and sliding vane are all types of oil pumps commonly used in various applications. However, rotogear is not recognized as a specific type of oil pump in the industry.

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  • 29. 

    Which type of oil pump consists of a gear and rotor within a housing?

    • Gear

    • Gerotor

    • Rotogear

    • Sliding vane

    Correct Answer
    A. Gerotor
    Explanation
    A gerotor oil pump consists of a gear and rotor within a housing. This type of pump uses the meshing of the gear and rotor to create a pumping action, drawing oil into the pump and then forcing it out under pressure. The gear and rotor design allows for efficient and reliable oil flow, making gerotor pumps commonly used in various applications, including automotive engines.

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  • 30. 

    Chip detectors have an electrical connection for making which type of check?

    • Ac high-voltage

    • Dc high-voltage

    • Continuity

    • Polarity

    Correct Answer
    A. Continuity
    Explanation
    Chip detectors have an electrical connection for making a continuity check. This means that they are designed to detect any breaks or interruptions in the electrical circuit. By ensuring that there is a continuous flow of electricity, chip detectors can effectively monitor the condition of the system and detect any potential issues or faults. This helps in maintaining the overall integrity and functionality of the system.

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  • 31. 

    Which type of oil cooler operates on the same principle as a radiator in an automobile?

    • Air

    • Fuel

    • Hydraulic

    • Pneumatic

    Correct Answer
    A. Air
    Explanation
    An air oil cooler operates on the same principle as a radiator in an automobile. Both the air oil cooler and the radiator work by transferring heat from the fluid (oil or coolant) to the surrounding air. In an air oil cooler, the fluid flows through a series of fins that are exposed to the air. As the air passes over the fins, it absorbs the heat from the fluid, cooling it down. This cooled fluid is then circulated back into the system. This principle of heat transfer is similar to how a radiator in an automobile cools down the engine coolant by transferring heat to the air.

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  • 32. 

    What type of oil seal has soft metal as its basic composition and allows a small amount of airflow to prevent oil seepage?

    • Silicone

    • Carbon

    • Synthetic

    • Labyrinth

    Correct Answer
    A. Labyrinth
    Explanation
    A labyrinth oil seal is made up of soft metal as its basic composition and allows a small amount of airflow to prevent oil seepage. This type of seal consists of multiple interlocking grooves or channels that create a tortuous path for the oil to flow through. This design helps to trap the oil within the seal and prevent it from leaking out. The soft metal composition allows for flexibility and durability, ensuring a reliable seal over time.

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  • 33. 

    Use extreme care when working with labyrinth seals because of their?

    • Soft metal construction; these seals can be damaged easily

    • Soft metal construction; they are sharp and can cut your hand

    • Hard metal construction; they are sharp and can cut your

    • Hard metal construction; these seals can damage the bearing races

    Correct Answer
    A. Soft metal construction; these seals can be damaged easily
    Explanation
    Labyrinth seals are constructed using soft metal, which makes them susceptible to damage. This is because soft metal is more prone to deformation and wear, especially when exposed to high pressures, temperatures, or friction. Therefore, extreme care must be taken when working with labyrinth seals to avoid any accidental damage that could compromise their effectiveness in sealing and protecting the components they are installed in.

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  • 34. 

    When an engine is not operating, static preload for a carbon oil seal is provided by?

    • Air pressure

    • Oil pressure

    • Spring pressure

    • Hydraulic pressure

    Correct Answer
    A. Spring pressure
    Explanation
    When an engine is not operating, the static preload for a carbon oil seal is provided by spring pressure. This means that the carbon oil seal is compressed by a spring, creating a constant force that maintains the seal's contact with the mating surface. This helps to prevent leakage of oil or other fluids when the engine is not in use. Air pressure, oil pressure, and hydraulic pressure are not suitable options for providing static preload in this scenario.

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  • 35. 

    The f100-pw-100 engine oil pressure varies with rear compressor rotor speeds (n2), engine inlet oil temperature, and ?

    • Oil jet pressure

    • Fan turbine speed

    • Oil nozzle condition

    • Number of oil jets used

    Correct Answer
    A. Oil nozzle condition
    Explanation
    The f100-pw-100 engine oil pressure varies with rear compressor rotor speeds (n2), engine inlet oil temperature, and oil nozzle condition. The condition of the oil nozzle, which is responsible for delivering oil to various parts of the engine, can affect the oil pressure. If the oil nozzle is damaged or clogged, it may not deliver oil properly, leading to a decrease in oil pressure. Therefore, the oil nozzle condition is an important factor that can impact the oil pressure in the engine.

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  • 36. 

    In an engine oil tank, which device separates the air from the oil?

    • Aerator

    • Deaerator

    • Check valve

    • Bypass valve

    Correct Answer
    A. Deaerator
    Explanation
    A deaerator is a device used in an engine oil tank to separate air from the oil. It is designed to remove dissolved gases such as oxygen and carbon dioxide from the oil, which helps prevent oxidation and corrosion. This ensures that the oil remains clean and free from contaminants, improving the overall performance and longevity of the engine.

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  • 37. 

    Which type of oil system stores the oil in a tank fitted to the side of the engine?

    • Dry sump

    • Wet sump

    • Cold tank

    • Hot tank

    Correct Answer
    A. Dry sump
    Explanation
    A dry sump oil system stores the oil in a separate tank that is mounted externally to the engine, typically on the side. This design allows for a larger oil capacity and better oil control compared to a wet sump system, where the oil is stored in a pan at the bottom of the engine. The dry sump system is commonly used in high-performance and racing engines to prevent oil starvation during extreme maneuvers and to improve overall lubrication efficiency.

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  • 38. 

    Which type of oil system design places the oil cooler in the pressure subsystem?

    • Cold tank

    • Wet tank

    • Dry tank

    • Hot tank

    Correct Answer
    A. Hot tank
    Explanation
    A hot tank oil system design places the oil cooler in the pressure subsystem. In this design, the oil cooler is located within the hot tank, where the oil is pressurized. This allows the oil to be cooled down as it flows through the cooler, ensuring that the oil temperature remains within the desired operating range. Placing the oil cooler in the pressure subsystem helps to maintain the efficiency and effectiveness of the cooling process, as the oil is cooled while under pressure.

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  • 39. 

    On an f100 engine, the breather pressurizing valve is interanlly mounted in the?

    • Oil tank

    • Gearbox

    • Oil filter

    • Oil pump

    Correct Answer
    A. Gearbox
    Explanation
    The breather pressurizing valve on an F100 engine is internally mounted in the gearbox. This means that it is located within the gearbox itself, rather than in the oil tank, oil filter, or oil pump. The purpose of the breather pressurizing valve is to regulate the pressure within the gearbox, ensuring that it remains at the appropriate level for optimal performance and lubrication.

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  • 40. 

    If the red button on an f100-pw-220 engine oil filter pops out and remains extended, the ?

    • Button is defective

    • Scheduled oil change is due

    • Design ambient pressure has been exceeded

    • Design pressure differential has been exceeded

    Correct Answer
    A. Design pressure differential has been exceeded
    Explanation
    When the red button on an f100-pw-220 engine oil filter pops out and remains extended, it indicates that the design pressure differential has been exceeded. This means that the pressure difference between the inlet and outlet of the oil filter has reached or surpassed the maximum limit set by the design specifications. This could be due to various reasons such as a clogged filter or a malfunctioning component, causing an abnormal pressure buildup in the system.

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  • 41. 

    On an f100-pw-220 engine, the air/oil coolers are mounted on the fan duct and use?

    • Secondary fan airflow as a coolant

    • Secondary fan airflow as an oil heater

    • Primary core engine airflow as a coolant

    • Primary core engine airlfow as an oil heater

    Correct Answer
    A. Secondary fan airflow as a coolant
    Explanation
    The air/oil coolers on an f100-pw-220 engine are mounted on the fan duct and use secondary fan airflow as a coolant. This means that the coolers are designed to take advantage of the airflow generated by the secondary fan, which helps to cool the engine oil. By using this airflow as a coolant, the engine is able to maintain optimal operating temperatures and prevent overheating.

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  • 42. 

    On an f100-pw-220 engine, what component permits oil to bypass the oil filter during cold weather starts?

    • Oil relief valve

    • Filter poppet valve

    • Oil pressure transmitter tap

    • Filter assembly bypass valve

    Correct Answer
    A. Filter assembly bypass valve
    Explanation
    The correct answer is the filter assembly bypass valve. This component allows oil to bypass the oil filter during cold weather starts. This is necessary because cold temperatures can cause the oil to thicken, making it difficult for it to flow through the filter. By bypassing the filter, the oil can flow more easily and quickly reach the engine components, ensuring proper lubrication during startup.

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  • 43. 

    The ae2100d3 oil tank pendulum is designed to supply pressurized oil for approximately how long during negative G conditions?

    • Minimum of 10 seconds

    • Minimum of 20 seconds

    • Maximum of 10 seconds

    • Maximum of 20 seconds

    Correct Answer
    A. Minimum of 10 seconds
    Explanation
    The ae2100d3 oil tank pendulum is designed to supply pressurized oil for a minimum of 10 seconds during negative G conditions. This means that even in situations where there is a loss of gravity, the oil tank pendulum will continue to provide pressurized oil for at least 10 seconds.

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  • 44. 

    Approximately how many gpm does the ae2100d3 PUAD  lube and scavenge pump provide at engine PTO?

    • 3

    • 5

    • 7

    • 9

    Correct Answer
    A. 5
    Explanation
    The AE2100D3 PUAD (Power Unit Accessory Drive) lube and scavenge pump provides approximately 5 gallons per minute (gpm) at engine PTO (Power Take Off).

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  • 45. 

    What ae2100d3 component drives the PGB lube and scavenge pump?

    • Alternator stator

    • Prop gearbox

    • PUAD

    • GMAD

    Correct Answer
    A. GMAD
    Explanation
    The GMAD (Gearbox Mounted Accessory Drive) is the component that drives the PGB (Propeller Gearbox) lube and scavenge pump.

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  • 46. 

    The ACAWS message low oil level advisory for the ae2100d3 engine occurs when the engine oil level drops below?

    • 2 us gallons

    • 3 us gallons

    • 4 us gallons

    • 5 us gallons

    Correct Answer
    A. 4 us gallons
    Explanation
    The ACAWS message low oil level advisory for the ae2100d3 engine occurs when the engine oil level drops below 4 US gallons. This means that the engine is designed to provide a warning when the oil level falls below this threshold. It is important to maintain an adequate oil level to ensure proper lubrication and prevent damage to the engine.

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  • 47. 

    The hazardous property of modern jet engine oil the journeyman must be aware of its?

    • Toxicity

    • Viscosity

    • Alkalinity

    • Corrosiveness

    Correct Answer
    A. Corrosiveness
    Explanation
    The correct answer is corrosiveness. The question asks about the hazardous property of modern jet engine oil that a journeyman must be aware of. Corrosiveness refers to the ability of a substance to cause damage or destruction to materials it comes into contact with. In the context of jet engine oil, corrosiveness is important for a journeyman to be aware of because it can lead to damage and deterioration of engine components if not handled properly.

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  • 48. 

    The primary benefit of identifying an impending failure through the OAP is?

    • Improved safety

    • Increased component life

    • Reduced maintenance cost

    • Increased equipment availability

    Correct Answer
    A. Improved safety
    Explanation
    The primary benefit of identifying an impending failure through the OAP is improved safety. By detecting potential failures in advance, necessary measures can be taken to prevent accidents or injuries. This ensures a safer working environment for both employees and equipment operators.

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  • 49. 

    Who is responsible for ensuring that the OAP operate properly?

    • Project monitor

    • Logistics commander

    • Propulsion flight chief

    • Laboratory supervisor

    Correct Answer
    A. Project monitor
    Explanation
    The project monitor is responsible for ensuring that the OAP (Operational Analysis Plan) operates properly. They oversee the project and monitor its progress, making sure that all aspects of the plan are being executed correctly. They are responsible for identifying any issues or challenges that may arise and finding solutions to address them. The project monitor ensures that the OAP is implemented according to the set guidelines and objectives, and they provide guidance and support to the team members involved in the project.

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  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 27, 2012
    Quiz Created by
    Hamandcheese

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