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. |
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| 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. |
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| 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. |
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| 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. |
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