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Types of aircraft gas turbine engine compressors

Quiz by Abed Suwissat

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17 questions
Show answers
  • Q1
    Which type of compressor is most commonly used in aircraft gas turbine engines?
    Diagonal compressor
    Reciprocating compressor
    Axial compressor
    Centrifugal compressor
    30s
  • Q2
    Which of the following is the correct order of processes in a Brayton cycle?
    Combustion, Compression, Expansion, Exhaust
    Combustion, Expansion, Compression, Exhaust
    Compression, Combustion, Expansion, Exhaust
    Expansion, Combustion, Compression, Exhaust
    30s
  • Q3
    What is the purpose of the compressor in a Brayton cycle?
    To increase the temperature of the air
    To increase the pressure of the air
    To remove heat from the air
    To add fuel to the air
    30s
  • Q4
    What is the main component responsible for the conversion of heat energy to mechanical energy in a Brayton cycle?
    Combustion chamber
    Exhaust system
    Turbine
    Compressor
    30s
  • Q5
    What is the purpose of the heat exchanger in a Brayton cycle?
    To increase the pressure of the compressed air
    To convert heat energy to electrical energy
    To transfer heat from the exhaust gas to the compressed air
    To remove impurities from the exhaust gas
    30s
  • Q6
    In an ideal Brayton cycle, how does an increase in the pressure ratio influence the thermal efficiency?
    It has no effect on the thermal efficiency
    It can either increase or decrease the thermal efficiency depending on the specific conditions
    It increases the thermal efficiency
    It decreases the thermal efficiency
    30s
  • Q7
    What is regenerated Brayton cycle?
    A Brayton cycle that uses renewable energy sources
    A Brayton cycle where heat is added in the compressor
    A Brayton cycle that includes an additional combustion stage
    A Brayton cycle that incorporates a heat exchanger to recover energy from the exhaust gases
    30s
  • Q8
    What type of cycle is a Brayton cycle?
    Thermodynamic cycle
    Chemical cycle
    Geological cycle
    Biological cycle
    30s
  • Q9
    What is the primary working fluid used in a gas turbine Brayton cycle?
    Carbon dioxide
    Air
    Water
    Hydrogen
    30s
  • Q10
    Why is high compression ratio desirable in an aircraft gas turbine engine?
    To increase engine noise
    To reduce engine power
    To decrease fuel consumption
    To improve engine efficiency
    30s
  • Q11
    What is the purpose of the compressor in an aircraft gas turbine engine?
    To ignite the fuel-air mixture
    To increase the pressure of the incoming air
    To generate electricity
    To cool down the exhaust gases
    30s
  • Q12
    What is the purpose of the turbine in an aircraft gas turbine engine?
    To extract energy from the hot exhaust gases
    To produce electrical power
    To filter the incoming air
    To cool down the compressed air
    30s
  • Q13
    What is the function of the combustion chamber in an aircraft gas turbine engine?
    To filter the incoming air
    To burn fuel and generate high-pressure gases
    To cool down the compressor
    To extract energy from the exhaust gases
    30s
  • Q14
    How does the compression ratio affect the efficiency of an aircraft gas turbine engine?
    Higher compression ratios increase the efficiency
    Compression ratios have no effect on the efficiency
    Higher compression ratios decrease the efficiency
    Compression ratios only affect the engine's noise level
    30s
  • Q15
    In terms of process, where does the compression of air mainly occur in an aircraft gas turbine engine?
    In the compressor
    In the intake
    In the turbine
    In the combustion chamber
    30s

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