Module 14 Module 14 quiz contains 24 question based on the syllabus for module 14 examination for B2 category. The time limit for the quiz is 30 min. The number of attempts allowed are unlimited. All the best. Name 1. A free turbine aircraft engine is most likely to be used on a a direct coupled engine a helicopter engine high bypass engine None 2. How are the combustion chambers cooled By l.p compressor air By h.p compressor air By fan pressure air None 3. Gas turbines work on the diesel cycle brayton cycle otto cycle None 4. Vibration analysers determine which component is vibrating by analysing voltage amplitude frequency None 5. When using a test set to test an EGT thermocouple circuit always compensate for ambient temperature only consider ambient temperature compensation if the ambient temperature is over 20 deg C no compensation for ambient temperature is required None 6. A twin spool engine has two turbines on one shaft two turbines on two shafts one turbine on one shaft None 7. Where is EGT measured? Upstream of the combustion chamber In the combustion chamber Downstream of the combustion chamber None 8. Modern oil pressure servo transmitters sense absolute pressure differential pressure HP oil pressure None 9. Torque measurement is taken from the prop shaft reduction gearbox free turbine shaft None 10. Turboprop thermocouple probes are stagnation surface mounted rapid response None 11. On a FADEC engine the EEC has electronic control of the hydro-mechanical fuel control in some modes has mechanical control of the hydro-mechanical fuel control system has electronic control of the hydro-mechanical fuel control unit in all modes None 12. The fuel metering valve in the hydro mechanical unit of a FADEC system is operated by hydraulic servo pressure fuel servo pressure electrical servo None 13. A FADEC takes measurements of engine speed temperature pressure temperature and pressure None 14. When terminating connections for a EGT sensing system ensure that the pins and sockets are correctly crimped and brazed ensure that the pins and sockets are of the same material as the leads ensure that all connections are silver soldered None 15. If an engines fadec system loses air data permanently the pilot will turn that EEC off select alternate pitot static switch to alt on the relevant EEC None 16. A thermocouple is constructed of two dissimilar metals with an air gap between them two dissimilar metals welded together three dissimilar metals welded together None 17. Oil quantity is transmitted to the EICAS by a float switch in the oil tank a reed switch ladder activated by magnetic float in the oil tank a belt type capacitor system None 18. The EEC changes power settings by changing the throttle lever angle changing the fuel flow input changing the airflow input None 19. The vane on a vane type fuel flow measuring device becomes stuck. What safety backup is available for the engine fuel flow? A fuel bleed valve A differential pressure bypass valve A bypass valve None 20. When a thermocouple fails, the temperature reading will under read stay the same over read None 21. Ratiometer pointer movement is achieved by two opposing coils providing a torque in a varying magnetic field one coil providing a torque against a permanent magnet two opposing coils providing a torque in a permanent magnetic field None 22. In a 24 thermocouple system, one thermocouple goes open circuit. What error is detected at the indicator? No indication No error Gauge freezes at last known reading None 23. The EPR reading is taken from a ratio of turbine inlet pressure to compressor delivery pressure jet pipe pressure to compressor inlet pressure compressor delivery pressure to compressor inlet pressure None 24. With the EEC in control the throttle levers are always anywhere between the fully fwd and fully aft positions in the fully forward position in the fully aft position None 1 out of 1
