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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The net work input required for compressor with increase in clearance volume

Remains same
Increases
Increases/decreases depending on compressor capacity
Decreases

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Compressors, Gas Turbines and Jet Engines
For slow speed large capacity compressor, following type of valve will be best suited

Poppet valve
Any of the above
Disc or feather type
Mechanical valve of the Corliss, sleeve, rotary or semi rotary type

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Compressors, Gas Turbines and Jet Engines
The ratio of specific weight/h.p. of gas turbine and I.C engines may be typically of the order of

0.042361111111111
0.16736111111111
0.045833333333333
0.084027777777778

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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
Remain same
Decreases
First increases and then decreases

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Compressors, Gas Turbines and Jet Engines
The mass of gas turbine per kW developed is about ________ as that of an I.C. engine.

One-half
One sixth
One fourth
Same

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Compressors, Gas Turbines and Jet Engines
A closed cycle gas turbine gives ________ efficiency as compared to an open cycle gas turbine.

Same
Higher
Lower
None of these

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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