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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Gas turbine works on

Brayton or Atkinson cycle
Ericsson cycle
Rankine cycle
Carnot cycle

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Compressors, Gas Turbines and Jet Engines
The work-done on a compressor will be minimum if air is taken from

A source of high temperature air
The atmosphere
A source at 0° C
A source of low temperature air

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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

Remain same
First increases and then decreases
Increases
Decreases

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Compressors, Gas Turbines and Jet Engines
The maximum combustion pressure in gas turbine as compared to I.C. engine is

Same
Depends on other factors
Less
More

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Compressors, Gas Turbines and Jet Engines
If the clearance ratio for a reciprocating air compressor is 'K', then its volumetric efficiency is given by

1 - k + k (p₁/p₂)1/n
1 + k - k (p₂/p₁)1/n
1 + k - k (p₂/p₁) n-1/n
1 - k + k (p₁/p₂) n- 1/n

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Compressors, Gas Turbines and Jet Engines
The capacity of compressor will be highest when its intake temperature is

Atmospheric
Anything
Lowest
Highest

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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