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FAA Powerplant Question Bank
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FAA Powerplant Question Bank
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25 Questions

1. What type of turbine blade is most commonly used in aircraft jet engines?

2. In a fixed fire-extinguishing system, there are two small lines running from the system and exiting overboard. These line exit ports are covered with a blowout type indicator disc. Which of the following statements is true?

3. The primary advantage of pneumatic (air turbine) starters over comparable electric starters for turbine engines is

4. Which of the following functions requires the use of a propeller blade station?

5. Fuel pump relief valves designed to compensate for atmospheric pressure variations are known as

6. What component of a dual magneto is shared by both ignition systems?

7. Magneto breaker point opening relative to the position of the rotating magnet and distributor rotor (internal timing) can be set most accurately

8. The fuel metering force of a conventional float-type carburetor in its normal operating range is the difference between the pressure acting on the discharge nozzle located within the venturi and the pressure

9. Standard sea level pressure is

10. Cold straightening a bent aluminum propeller blade may be accomplished by

11. An increase in manifold pressure when carburetor heat is applied indicates

12. Cylinder head temperatures are measured by means of an indicator and a

13. The airworthiness standards for the issue of type certificates for small airplanes with nine or less passenger seats in the normal, utility, and acrobatic categories may be found in the

14. Turbojet and turbofan thrust reverser systems are generally powered by

15. What is the basic operational sequence for reducing the power output of an engine equipped with a constant-speed propeller?

16. In addition to fuel quantity, a computerized fuel system (CFS) with a totalizer-indicator provides indication of how many of the following?

17. In what position is the constant-speed propeller control placed to check the magnetos?

18. What are two parts of a distributor in an aircraft engine ignition system?

19. What is required by 14 CFR Part 43 Appendix D when performing an annual/100-hour inspection on a reciprocating engine aircraft?

20. Which fuel/air mixture will result in the highest engine temperature (all other factors remaining constant)?

21. (1) Engine pressure ratio (EPR) is a ratio of the exhaust gas pressure to the engine inlet air pressure, and indicates the thrust produced.

22. The fuel-flow indicator rotor and needle for a motor-impeller and turbine indicating system is driven by

23. What is a function of the idling air bleed in a float-type carburetor?

24. How many basic types of circuit breakers are used in powerplant installation electrical systems?

25. The primary reason for careful inspection and prompt repairing of minor surface defects such as scratches, nicks, gouges, etc. on aluminum alloy propellers is to prevent

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