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Eng. exhaust&reverse

FAA AMP

QuestionAnswer
Thrust reversers utilizing a pneumatic actuating system usually receive operating pressure from The engine bleed air system.
Augmenter tubes are part of which reciprocating engine system? Exhaust.
What is the purpose of a slip joint in an exhaust collector ring? It aids in alignment and absorbs expansion.
Ball joints in reciprocating engine exauhst systems should be loose enough to permit some movement.
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.
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.
Repair of exhaust system components is not recommended to be accomplished in the field.
Compared to normally aspirated engines, turbocharged engine exhaust systems operate at higher temperatures and higher pressures.
The rearward thrust capability of an engine with the thrust reverser system deployed is less than its forward capability.
How are combustion liner walls cooled in a gas turbine engine? My secondary air flowing through the combustion chamber.
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.
Turbojet and turbofan thrust reverser systems are generally powered by electricity, hydraulic pressure, and pneumatic pressure.
Which of the following indicates that a combustion chamber of a jet engine is not operating properly? Hot spots on the tail cone.
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.
Dislodged internal muffler baffles on a small reciprocating engine may cause excessive exhaust back pressure.
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.
One source commonly used for carburetor air heat is exhaust gases.
How should ceramic-coated exhaust components be cleaned? By degreasing.
Operating thrust reversers at low ground speeds can sometimes cause hot gas re-ingestion, compressor stalls, and sand or other foreign object ingestion.
Why is high nickel chromium steel used in many exhaust systems? Corrosion resistance and low expansion coefficient.
Engines using cold stream, or both cold and hot stream reversing, include high bypass turbofans.
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.
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.
What type of nuts are used to hold an exhaust system to the cylinders? Brass or heat-resilient nuts.
Reciprocating engine exhaust systems that have repairs or sloppy weld beads which protrude internally are unacceptable because they cause local hot spots.
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.
The hot section of a turbine engine is particularly susceptible to which of the following kind of damage. Cracking.
Select a characteristic of a good weld on exhaust stacks. The weld should taper off smoothly into the base metal.
Power recovery turbines used on some reciprocating engines are driven by the velocity of the exhaust gases.
All of the following are recommended markers for reciprocating engine exhaust systems except for lead pencil.
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.
What is the purpose of an exhaust outlet guard on a small reciprocating engine? To power dislodged muffler baffles from obstructing the muffler outlet.
How may reciprocating engine exhaust system leaks be detected? Signs of exhaust soot inside cowling and on adjacent components.
Sodium-filled valves are advantageous to an aviation engine because they dissipate heat well.
On turbojet powered airplanes, thrust reversers are capable of producing between 35 and 50 percent of the rated thrust in and the reverse direction.
Created by: cordon.gabriel
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