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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio

First increases and then decreases
Increases
Remain same
Decreases

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Compressors, Gas Turbines and Jet Engines
The volumetric efficiency of compressor with increase in compression ratio will

Increase
May increase or decrease depending on clearance volume
Decrease
Remain same

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Compressors, Gas Turbines and Jet Engines
A simple turbojet engine is basically

Ramjet engine
Gas turbine engine equipped with a propulsive nozzle and diffuse
Chemical rocket engine
A propeller system

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Compressors, Gas Turbines and Jet Engines
A jet engine has

Propeller in front
Propeller on the top
No propeller
Propeller at back

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Compressors, Gas Turbines and Jet Engines
The degree of reaction is usually kept ________ for all types of axial flow compressors.

0.2
0.5
0.3
0.4

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Compressors, Gas Turbines and Jet Engines
The following property is most important for material used for gas turbine blade

Creep
Fatigue
Corrosion resistance
Toughness

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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