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AMT Powerplant Quiz

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1. Inspect, check, service, troubleshoot and repair electrical and mechanical engine temperature, press (8274)
What basic meter is used to indicate cylinder head temperature in most aircraft?
A - Thermocouple type meter.
B - Galvanometer.
C - Electrodynamometer.
 
2. Balance propellers (8897)
Which of the following is used to correct horizontal unbalance of a wood propeller?
A - Solder.
B - Brass screws.
C - Shellac.
 
3. Repair engine fuel metering system components (8685)
At what engine speed does the main metering jet actually function as a metering jet in a float type carburetor?
A - Cruising RPM only.
B - All RPM's.
C - All RPM's above idle range.
 
4. Overhaul turbine engine (8118)
Turbine nozzle diaphragms located on the upstream side of each turbine wheel, are used in the gas turbine engine to
A - decrease the velocity of the heated gases flowing past this point.
B - increase the velocity of the heated gases flowing past this point.
C - direct the flow of gases parallel to the vertical line of the turbine blades.
 
5. Inspect and repair a radial engine (8003)
Which condition would be the least likely to be caused by failed or failing engine bearings?
A - High oil temperatures.
B - Excessive oil consumption.
C - Low oil temperatures.
 
6. Inspect, check, service, troubleshoot and repair electrical and mechanical engine temperature, press (8280)
A common type of electrically operated oil temperature gauge utilizes
A - vapor pressure and pressure switches.
B - either a wheatstone bridge or ratiometer circuit.
C - a thermocouple type circuit.
 
7. Identify and select lubricants (8431)
What type of oil do most engine manufacturers recommend for new reciprocating engine break in?
A - Straight mineral oil.
B - Semi synthetic oil.
C - Ashless dispersant oil.
 
8. Inspect, check, service and repair fixed pitch constant speed and feathering propellers and propelle (8962)
Constant-speed non-feathering McCauley, Hartzell, and other propellers of similar design without counterweights increase pitch angle using
A - centrifugal twisting moment.
B - spring pressure.
C - oil pressure.
 
9. Overhaul carburetor (8648)
If the main air bleed of a float-type carburetor becomes clogged, the engine will run
A - lean at rated power.
B - rich at rated power.
C - rich at idling.
 
10. Balance propellers (8894)
If a blade of a particular metal propeller is shortened because of damage to the tip, the remaining blade(s) must be
A - reset (blade angle) to compensate for the shortened blade.
B - reduced to conform with the shortened blade.
C - returned to the manufacturer for alteration.