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Aircraft gas turbine engine compressor stage

Quiz by Abdulraheem Mohammad

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28 questions
Show answers
  • Q1
    What is the purpose of the compressor stage in an aircraft gas turbine engine?
    To produce electrical power.
    To cool the exhaust gases.
    To compress the incoming air before it enters the combustion chamber.
    To ignite the fuel-air mixture.
    30s
  • Q2
    What is the main component of the compressor stage in an aircraft gas turbine engine?
    A heat exchanger.
    A series of rotating blades.
    A hydraulic pump.
    A fuel injector.
    30s
  • Q3
    What is the function of the stator vanes in the compressor stage of an aircraft gas turbine engine?
    To compress the incoming air.
    To slow down the rotation of the compressor.
    To cool the compressor section.
    To guide and direct the airflow into the rotor blades.
    30s
  • Q4
    What is surge in an aircraft gas turbine engine compressor stage?
    When the compressor produces too much exhaust.
    When the compressor experiences a fuel leak.
    When the compressor experiences a sudden reversal of airflow due to stall.
    When the compressor blades spin faster than normal.
    30s
  • Q5
    What is the purpose of bleed air in an aircraft gas turbine engine compressor stage?
    To cool the compressor blades.
    To improve the efficiency of the compressor.
    To produce additional thrust.
    To provide air for engine starting, cabin pressurization, and other aircraft systems.
    30s
  • Q6
    What is the relationship between the pressure ratio and efficiency of an aircraft gas turbine engine compressor stage?
    Efficiency is the only factor affecting pressure ratio.
    Higher pressure ratios generally lead to lower efficiencies.
    Pressure ratio and efficiency are unrelated.
    Higher pressure ratios generally lead to higher efficiencies.
    30s
  • Q7
    What is a characteristic of a two-spool compressor in an aircraft gas turbine engine?
    It has a three-stage compressor section.
    It has two rotating compressor sections, each with its own turbine.
    It has a single compressor and turbine.
    It is only used on military aircraft.
    30s
  • Q8
    What is a characteristic of an axial compressor in an aircraft gas turbine engine?
    It uses a series of rotating and stationary airfoils to compress air.
    It is only used on small aircraft.
    It compresses air using centrifugal force.
    It has a low compression ratio.
    30s
  • Q9
    What is a characteristic of a centrifugal compressor in an aircraft gas turbine engine?
    It has a low compression ratio.
    It is only used on military aircraft.
    It uses a high-speed impeller to compress air.
    It uses a series of rotating and stationary airfoils to compress air.
    30s
  • Q10
    What is a characteristic of a variable stator compressor in an aircraft gas turbine engine?
    It has a fixed angle for the stator blades.
    It can adjust the angle of the stator blades to optimize compressor performance.
    It is only used on helicopters.
    It has a lower pressure ratio than a variable compressor.
    30s
  • Q11
    What is the function of the combustion stage in an aircraft gas turbine engine?
    To compress the incoming air
    To generate electrical power
    To burn fuel and create high temperature gases
    To cool down the exhaust gases
    30s
  • Q12
    What is the main purpose of the turbine stage in an aircraft gas turbine engine?
    Provide cooling for the combustion chamber
    Extract energy from the hot gases to drive the compressor and produce thrust
    Store excess fuel for future use
    Mix fuel with air before combustion
    30s
  • Q13
    What happens to air as it passes through the turbine stage of an aircraft gas turbine engine?
    It gains pressure and loses speed
    It remains at a constant pressure and speed
    It loses pressure and gains speed
    It becomes colder and more dense
    30s
  • Q14
    What material is typically used to make the turbine blades in an aircraft gas turbine engine?
    Copper
    Aluminum
    Nickel-based superalloys
    Steel
    30s
  • Q15
    In what part of an aircraft gas turbine engine is the turbine stage usually located?
    In front of the compressor
    Between the combustion chamber and the exhaust nozzle
    Next to the fuel tank
    Behind the exhaust nozzle
    30s

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