AMT Powerplant Quiz
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| 1. Inspect, check, service and repair reciprocating engines and engine installations (8055) |
| As the pressure is applied during a reciprocating engine compression check using a differential pressure tester, what would a movement of the propeller in the direction of engine rotation indicate? |
| A - The piston was on exhaust stroke. |
| B - The piston was on compression stroke. |
| C - The piston was positioned past top dead center. |
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| 2. Overhaul magneto and ignition harness (8523) |
| As an aircraft engine's speed is increased, the voltage induced in the primary coil of the magneto |
| A - varies with the setting of the voltage regulator. |
| B - remains constant. |
| C - increases. |
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| 3. Overhaul turbine engine (8127) |
| What are the two basic elements of the turbine section in a turbine engine? |
| A - Hot and cold. |
| B - Stator and rotor. |
| C - Impeller and diffuser. |
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| 4. Inspect, check, troubleshoot, service and repair engine exhaust systems (8868) |
| What is the purpose of an exhaust outlet guard on a small reciprocating engine? |
| A - To shield adjacent components from excessive heat. |
| B - To prevent dislodged muffler baffles from obstructing the muffler outlet. |
| C - To reduce spark exit. |
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| 5. Inspect and repair a radial engine (8005) |
| Which of the following will decrease volumetric efficiency in a reciprocating engine? 1. Full throttle operation. 2. Low cylinder head temperatures. 3. Improper valve timing. 4. Sharp bends in the induction system. 5. High carburetor air temperatures. |
| A - 2, 4, and 5. |
| B - 3, 4, and 5. |
| C - 1, 2, 3, and 4. |
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| 6. Install, troubleshoot and remove turbine engines (8205) |
| Which of the following influences the operation of an automatic fuel control unit on a turbojet engine? |
| A - Exhaust gas temperature. |
| B - Burner pressure. |
| C - Mixture control position. |
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| 7. Inspect check troubleshoot service and repair engine cooling systems (8845) |
| Increased engine heat will cause volumetric efficiency to |
| A - increase. |
| B - remain the same. |
| C - decrease. |
| |
| 8. Inspect, check, service and repair carburetor air intake and induction manifolds (8804) |
| When starting an engine equipped with a carburetor air heater, in what position should the heater be placed? |
| A - Neutral. |
| B - Hot. |
| C - Cold. |
| |
| 9. Install, troubleshoot and remove propellers (8980) |
| Manually feathering a hydromechanical propeller means to |
| A - port governor oil pressure from the cylinder of the propeller. |
| B - port governor oil pressure to the cylinder of the propeller. |
| C - block governor oil pressure to the cylinder of the propeller. |
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| 10. Install, troubleshoot and remove turbine engines (8206) |
| If a turbine engine is unable to reach takeoff EPR before its EGT limit is reached, this is an indication that the |
| A - compressor may be contaminated or damaged. |
| B - EGT controller is out of adjustment. |
| C - fuel control must be replaced. |
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