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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Fighter bombers use following type of engine

Turbojet
Turbo-propeller
Ramjet
Rocket

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Compressors, Gas Turbines and Jet Engines
For maximum work, the reheating should be done to an intermediate pressure of (Where p₁ = Maximum pressure, and p₂ = Minimum pressure)

p₁/p₂
(p₁ - p₂)/2
(p₁ + p₂)/2
p₁ p₂

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Compressors, Gas Turbines and Jet Engines
In a single acting reciprocating air compressor, without clearance, the compression of air may be

Isothermal
Any one of these
Isentropic
Polytropic

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Compressors, Gas Turbines and Jet Engines
Volumetric efficiency of a compressor decreases with ________ in compression ratio.

Remain same
Decrease
Increase
Does not change

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Compressors, Gas Turbines and Jet Engines
The ratio of work-done per cycle to the stroke volume of the compressor is known as

Compressor efficiency
Compressor capacity
Mean effective pressure
Compression ratio

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

Increases
First increases and then decreases
Remain same
Decreases

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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