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Aircraft gas turbine engine compressor stage
Quiz by Abdulraheem Mohammad
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28 questions
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- Q1What 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
- Q2What 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
- Q3What 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
- Q4What 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
- Q5What 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
- Q6What 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
- Q7What 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
- Q8What 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
- Q9What 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
- Q10What 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
- Q11What is the function of the combustion stage in an aircraft gas turbine engine?To compress the incoming airTo generate electrical powerTo burn fuel and create high temperature gasesTo cool down the exhaust gases30s
- Q12What is the main purpose of the turbine stage in an aircraft gas turbine engine?Provide cooling for the combustion chamberExtract energy from the hot gases to drive the compressor and produce thrustStore excess fuel for future useMix fuel with air before combustion30s
- Q13What happens to air as it passes through the turbine stage of an aircraft gas turbine engine?It gains pressure and loses speedIt remains at a constant pressure and speedIt loses pressure and gains speedIt becomes colder and more dense30s
- Q14What material is typically used to make the turbine blades in an aircraft gas turbine engine?CopperAluminumNickel-based superalloysSteel30s
- Q15In what part of an aircraft gas turbine engine is the turbine stage usually located?In front of the compressorBetween the combustion chamber and the exhaust nozzleNext to the fuel tankBehind the exhaust nozzle30s