FAA AMP
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| Thrust reversers utilizing a pneumatic actuating system usually receive operating pressure from | The engine bleed air system.
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| Augmenter tubes are part of which reciprocating engine system? | Exhaust.
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| What is the purpose of a slip joint in an exhaust collector ring? | It aids in alignment and absorbs expansion.
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| Ball joints in reciprocating engine exauhst systems should be | loose enough to permit some movement.
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| Reciprocating engine exhaust system designs commonly used to provide for ease of installation and/or allow for expansion and contraction may include the use of | spring loaded ball joints, slip joints, and bellows.
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| Which of the following statements is true regarding thrust reverser systems? | The reverser systems must be able to withstand high temperatures, be mechanically strong, relatively light in weight, and reliable.
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| Repair of exhaust system components | is not recommended to be accomplished in the field.
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| Compared to normally aspirated engines, turbocharged engine exhaust systems operate at | higher temperatures and higher pressures.
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| The rearward thrust capability of an engine with the thrust reverser system deployed is | less than its forward capability.
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| How are combustion liner walls cooled in a gas turbine engine? | My secondary air flowing through the combustion chamber.
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| On an aircraft that utilizes an exhaust heat exchanger as a source of cabin heat, how should the exhaust system be inspected? | With the heater air shroud removed.
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| Turbojet and turbofan thrust reverser systems are generally powered by | electricity, hydraulic pressure, and pneumatic pressure.
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| Which of the following indicates that a combustion chamber of a jet engine is not operating properly? | Hot spots on the tail cone.
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| How should corrosion-resistant steel parts such as exhaust collectors be blast cleaned? | Use sand which has not previously been used on iron or steel.
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| Dislodged internal muffler baffles on a small reciprocating engine may cause | excessive exhaust back pressure.
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| The purpose of cascade vanes in a thrust reversing system is to | turn to a forward direction the fan and/or hot exhaust gases that have been blocked from exiting through the exhaust nozzle.
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| One source commonly used for carburetor air heat is | exhaust gases.
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| How should ceramic-coated exhaust components be cleaned? | By degreasing.
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| Operating thrust reversers at low ground speeds can sometimes cause | hot gas re-ingestion, compressor stalls, and sand or other foreign object ingestion.
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| Why is high nickel chromium steel used in many exhaust systems? | Corrosion resistance and low expansion coefficient.
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| Engines using cold stream, or both cold and hot stream reversing, include | high bypass turbofans.
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| Most exhaust system failures result from thermal fatigue cracking in the areas of stress concentration. This conditional is usually caused by | the high temperatures at which the two exhaust systems operates.
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| What is the proper operating sequence when using thrust reversers to slow an aircraft after landing? | Retard thrust levers to ground idle, raise thrust reverser levers as required, and retard thrust reverser levers to ground idle.
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| What type of nuts are used to hold an exhaust system to the cylinders? | Brass or heat-resilient nuts.
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| Reciprocating engine exhaust systems that have repairs or sloppy weld beads which protrude internally are unacceptable because they cause | local hot spots.
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| How to the turbines which are driven by exhaust gases of a turbo-compound engine contribute to total engine power output? | By driving the crankshaft through suitable couplings.
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| The hot section of a turbine engine is particularly susceptible to which of the following kind of damage. | Cracking.
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| Select a characteristic of a good weld on exhaust stacks. | The weld should taper off smoothly into the base metal.
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| Power recovery turbines used on some reciprocating engines are driven by the | velocity of the exhaust gases.
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| All of the following are recommended markers for reciprocating engine exhaust systems except for | lead pencil.
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| What could be a result of undetected exhaust system leaks in a reciprocating engine powered airplane? | Pilot/passenger incapacitation caused by carbon monoxide entering the cabin.
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| What is the purpose of an exhaust outlet guard on a small reciprocating engine? | To power dislodged muffler baffles from obstructing the muffler outlet.
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| How may reciprocating engine exhaust system leaks be detected? | Signs of exhaust soot inside cowling and on adjacent components.
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| Sodium-filled valves are advantageous to an aviation engine because they | dissipate heat well.
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| On turbojet powered airplanes, thrust reversers are capable of producing between | 35 and 50 percent of the rated thrust in and the reverse direction.
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