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AMT Powerplant Quiz

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1. Inspect, check, service and repair reciprocating engines and engine installations (8066)
Engine crankshaft runout is usually checked

1. during engine overhaul.

2. during annual inspection.

3. after a "prop strike" or sudden engine stoppage.

4. during 100-hour inspection.

A - 1, 2 and 3.
B - 1 and 3.
C - 1, 3, and 4.
 
2. Repair engine fuel metering system components (8687)
What is the purpose of the carburetor accelerating system?
A - Supply and regulate the fuel required for engine speeds above idle.
B - Temporarily enrich the mixture when the throttle is suddenly opened.
C - Supply and regulate additional fuel required for engine speeds above cruising.
 
3. Troubleshoot and adjust turbine engine fuel metering systems and electronic engine fuel controls (8639)
In a supervisory EEC system, any fault in the EEC that adversely affects engine operation
A - causes redundant or backup units to take over and continue normal operation.
B - usually degrades performance to the extent that continued operation can cause damage to the engine.
C - causes an immediate reversion to control by the hydromechanical fuel control unit.
 
4. Repair engine exhaust system components (8846)
Why is high nickel chromium steel used in many exhaust systems?
A - Corrosion resistance and low expansion coefficient.
B - High heat conductivity and flexibility.
C - Corrosion resistance and high heat conductivity.
 
5. Inspect, check, service, troubleshoot and repair engine fire detection and extinguishing systems (8318)
How is the fire extinguishing agent distributed in the engine section?
A - Spray nozzles and fluid pumps.
B - Spray nozzles and perforated tubing.
C - Nitrogen pressure and slinger rings.
 
6. Inspect, check, service and repair reciprocating engines and engine installations (8054)
After spark plugs from an opposed engine have been serviced, in what position should they be reinstalled?
A - Next in firing order to the one from which they were removed.
B - Next in firing order to the one from which they were removed and swapped bottom to top.
C - Swapped bottom to top.
 
7. Overhaul turbine engine (8124)
In the dual axial flow or twin spool compressor system, the first stage turbine drives the
A - N2 compressor.
B - N1 compressor.
C - N1 and N2 compressors.
 
8. Install, troubleshoot and remove propellers (8981)
In what position is the constant speed propeller control placed to check the magnetos?
A - Full increase, high propeller blade pitch angle.
B - Full increase, low propeller blade pitch angle.
C - Full decrease, low propeller blade pitch angle.
 
9. Inspect, check, service, troubleshoot and repair reciprocating and turbine engine fuel metering syst (8723)
What effect does high atmospheric humidity have on the operation of a jet engine?
A - Has little or no effect.
B - Decreases engine pressure ratio.
C - Decreases compressor and turbine RPM.
 
10. Inspect, check, service, troubleshoot and repair heat exchangers, superchargers and turbine engine a (8794)
The purpose of a sonic venturi on a turbocharged engine is to
A - increase the velocity of the fuel/air charge.
B - increase the amount of air that can flow from the turbocharger into the cabin for pressurization.
C - limit the amount of air that can flow from the turbocharger into the cabin for pressurization.