Question 1

What is the purpose of compressor in an aircraft gas turbine engine?

Accepted Answer

To compress the incoming air before combustion.

Answer

To increase the thrust output.

Answer

To cool the high-pressure turbine.

Answer

To maintain the exhaust temperature.

Question 2

What is the function of a combustor in an aircraft gas turbine engine?

Accepted Answer

To burn the compressed air-fuel mixture.

Answer

To decrease the temperature of exhaust gases.

Answer

To cool the turbine blades.

Answer

To regulate the thrust output.

Question 3

What is the purpose of turbine in an aircraft gas turbine engine?

Accepted Answer

To extract energy from hot exhaust gases.

Answer

To regulate the temperature of exhaust gases.

Answer

To mix fuel with incoming air.

Answer

To compress incoming air before combustion.

Question 4

What is the function of a nozzle in an aircraft gas turbine engine?

Accepted Answer

To accelerate the exhaust gases and produce thrust.

Answer

To compress incoming air before combustion.

Answer

To mix fuel with incoming air.

Answer

To regulate the temperature of exhaust gases.

Question 5

What is the purpose of bleed air in an aircraft gas turbine engine?

Accepted Answer

To provide air for cabin pressurization and other aircraft systems.

Answer

To regulate the temperature of exhaust gases.

Answer

To improve the fuel efficiency.

Answer

To increase the thrust output.

Question 6

What is a common fuel type used in aircraft gas turbine engines?

Accepted Answer

Jet fuel (kerosene)

Answer

Diesel fuel.

Answer

Propane.

Answer

Gasoline.

Question 7

What is a common lubricant used in aircraft gas turbine engines?

Accepted Answer

Synthetic oil

Answer

Vegetable oil.

Answer

Mineral oil.

Answer

Animal fat.

Question 8

Which component of an aircraft gas turbine engine is responsible for converting the motion of the turbine into useful energy?

Accepted Answer

The output shaft.

Answer

The compressor.

Answer

The nozzle.

Answer

The combustor.

Question 9

What is the purpose of an afterburner in an aircraft gas turbine engine?

Accepted Answer

To increase the thrust output for short periods of time.

Answer

To regulate the temperature of exhaust gases.

Answer

To cool the turbine blades.

Answer

To reduce fuel consumption.

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