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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The most efficient method of compressing air is to compress it

Isochronically
Adiabatically
Isothermally
Isentropically

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Compressors, Gas Turbines and Jet Engines
Axial flow compressor resembles

Centrifugal pump
Turbine
Sliding vane compressor
Reciprocating pump

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Compressors, Gas Turbines and Jet Engines
In gas turbines, high thermal efficiency is obtained in

Closed cycle & Open cycle
Open cycle
Closed cycle
Closed/open depending on other considerations

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Compressors, Gas Turbines and Jet Engines
Efficiency of gas turbine is increased by

Reheating
All of the listed here
Adding a regenerator
Inter cooling

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Compressors, Gas Turbines and Jet Engines
The compression ratio in a gas turbine is of the order of

0.20902777777778
0.33402777777778
3.5 : 1
0.50069444444444

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Compressors, Gas Turbines and Jet Engines
Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on

Change in load
Stagnation pressure at the outlet
Mass flow rate
Pressure ratio

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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