Power Plant Cpl - IR

50 Questions | Total Attempts: 46

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Power Plant Quizzes & Trivia

Questions and Answers
  • 1. 
    The principle of developing propulsion force of the jet engine is :
    • A. 

      A.      Accelerating mass air through combustion process

    • B. 

      B.      Pressurizing mass air through combustion process

    • C. 

      C.      Reaction equal with action

    • D. 

      D.      All are correct

  • 2. 
    The main components of Gas Turbine are :
    • A. 

      A.      Piston, Cylinder, Crankcase

    • B. 

      B.      Compressor, Combustion chamber, Crankshaft

    • C. 

      C.      Piston, Cylinder, Turbine

    • D. 

      D.     Compressor, combustion chamber, Turbine

  • 3. 
    The type of fuel used in the Gas Turbine Engine is :
    • A. 

      A.      Avigas

    • B. 

      B.     Kerosine base

    • C. 

      C.      Gasoline base

    • D. 

      D.      Methanol

  • 4. 
    Types of Gas Turbine Engine used on aircraft is :
    • A. 

      A.      Turbojet

    • B. 

      B.      Turboprop / Turbo shaft

    • C. 

      C.      Turbofan

    • D. 

      D.     All are correct

  • 5. 
    The function of Turbine rotor is :
    • A. 

      A.      Converting heat energy into pressure energy

    • B. 

      B.      Converting kinetic energy into pressure energy

    • C. 

      C.      Converting kinetic energy into mechanical energy

    • D. 

      D.      Converting heat energy into velocity energy

  • 6. 
    Types compressor used on aircraft Gas Turbine Engine :
    • A. 

      A.      Piston and type compressor

    • B. 

      B.      Gear and screw type compressor

    • C. 

      C.      Radial and vane type compressor

    • D. 

      D.     Axial and centrifugal type compressor

  • 7. 
    Where is the highest pressure of gas in the Gas Turbine Engine
    • A. 

      A.      Inlet compressor

    • B. 

      B.     Inlet combustion chamber

    • C. 

      C.      Inlet turbine

    • D. 

      D.      Exhaust duct

  • 8. 
    What is engine component which contact to the highest gas temperature ?
    • A. 

      A.      Compressor

    • B. 

      B.      Combustion chamber

    • C. 

      C.      Turbine

    • D. 

      D.      Exhaust duct

  • 9. 
    Where is the location of temperature probes or temperature sensors of the engine
    • A. 

      A.      Engine inlet

    • B. 

      B.      Combustion chamber

    • C. 

      C.      Turbine

    • D. 

      D.      Exhaust duct

  • 10. 
    What is the meaning of Hush Kit ?
    • A. 

      A.      Noise reducer

    • B. 

      B.      Noise suppressor

    • C. 

      C.      Noise absorber

    • D. 

      D.     All are correct

  • 11. 
    Where is the location of Hush Kit ?
    • A. 

      A.      Engine inlet

    • B. 

      B.      Combustion chamber

    • C. 

      C.      Turbine

    • D. 

      D.     Exhaust nozlle

  • 12. 
    How many igniter plug at least should be installed in the combustion chamber ?
    • A. 

      A.      1

    • B. 

      B.     2

    • C. 

      C.      3

    • D. 

      D.      4

  • 13. 
    What is the correct sequence of starting the Gas Turbine Engine ?
    • A. 

      A.      Starter On, Ignition On and Fuel On

    • B. 

      B.      Starter On, Fuel On and Ignition On

    • C. 

      C.      Fuel On, Starter On and Fuel On

    • D. 

      D.      Ignition On, Starter On and Fuel On

  • 14. 
    What is the method of introducing fuel into combustion chamber ?
    • A. 

      A.      Carburetor

    • B. 

      B.      Fuel droplet

    • C. 

      C.      Fuel sprayer

    • D. 

      D.      Fuel gaseous

  • 15. 
    The principle of jet propulsion is based on……………third law
    • A. 

      A.      Pascal

    • B. 

      B.     Newton

    • C. 

      C.      Hero

    • D. 

      D.      Leonardo de Vinci

  • 16. 
    The jet engines that was called Non Air Breathing engines is:
    • A. 

      A.    Rocket.

    • B. 

      B.    Ramjets.

    • C. 

      C.     Pulse jet.

    • D. 

      D.    Turbojet.

  • 17. 
    Compressor pressure Ratio is :
    • A. 

      A.    The ratio of total pressure at compressor outlet to the total pressure at compressor inlet

    • B. 

      B.    The ratio of total pressure at compressor entry to static l pressure at compressor inlet

    • C. 

      C.     The ratio of total pressure at turbine outlet to the total pressure at compressor inlet

    • D. 

      D.    The ratio of total pressure at turbine outlet to the total pressure at turbine inlet

  • 18. 
    The turbine engine cycle is :
    • A. 

      A.    Intake, Compression, combustion, Exhaust

    • B. 

      B.    Intake, Compression, combustion, Exhaust, Recycle intake

    • C. 

      C.     Intake, Compression, combustion, Exhaust, Re-heater

    • D. 

      D.    Compression, combustion, Expansion.

  • 19. 
    The Thermodynamic process during compression is:
    • A. 

      A.    Isothermal process.

    • B. 

      B.    Adiabatic process.

    • C. 

      C.     Polytropic process.

    • D. 

      D.    Isobaric process

  • 20. 
    The propulsive force on the jet engines obtained from :
    • A. 

      A.    Rotating propeller.

    • B. 

      B.    High pressure air discharged from compressors.

    • C. 

      C.     Accelerated mass of air through combustion process.

    • D. 

      D.    Impulse reaction.

  • 21. 
    There are two types of Turbo Fan engines :
    • A. 

      A.    Single spool and Twin spool engines.

    • B. 

      B.    Low bypass and High bypass engines.

    • C. 

      C.     Multi fan and single fan.

    • D. 

      D.    Forward fan and aft fan.

  • 22. 
    What the percentage of the power turbine on turbo prop absorb heat energy from combustion process:
    • A. 

      A.    20 to 25 %

    • B. 

      B.    40 to 60%

    • C. 

      C.     80 to 90%

    • D. 

      D.    100%

  • 23. 
    Which statement is not the advantage of Turbo Fan over Turbo Jet :
    • A. 

      A.    Low noise level

    • B. 

      B.    Low fuel consumptions.

    • C. 

      C.    High noise level.

    • D. 

      D.    Good performance at low and high speed.

  • 24. 
    What the inlet duct use for subsonic aircraft :
    • A. 

      A.    Convergent duct

    • B. 

      B.    Divergent duct

    • C. 

      C.     Bell mouth inlet duct

    • D. 

      D.    Variable geometric inlet duct.

  • 25. 
    What is mean by Thrust Specific Fuel consumption :
    • A. 

      A.    Fuel flow multiply by Thrust.

    • B. 

      B.    Fuel flow divided by Thrust.

    • C. 

      C.     Fuel flow divided by Flight hours .

    • D. 

      D.    Fuel flow divided by weight of fuel.

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