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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
It is not possible to use closed gas turbine cycle in aeronautical engines because

It requires cooling water for its operation
It is inefficient
None of these
It is bulky

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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

0.084027777777778
0.042361111111111
0.16736111111111
0.045833333333333

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Compressors, Gas Turbines and Jet Engines
A closed cycle gas turbine consists of a

All of these
Cooling chamber
Compressor
Heating chamber

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Compressors, Gas Turbines and Jet Engines
Work ratio of a gas turbine may be improved by

Increasing the compression work
Both (A) and (C) above
Increasing the turbine work
Decreasing the compression work

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Compressors, Gas Turbines and Jet Engines
In a high pressure compressor, the delivery pressure is

1 to 5 bar
10 to 15 bar
5 to 8 bar
8 to 10 bar

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Compressors, Gas Turbines and Jet Engines
In jet engines the products of combustion after passing through the gas turbine are discharged into

Atmosphere
Vacuum
Back to the compressor
Discharge nozzle

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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