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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Mechanical efficiency of gas turbines as compared to I.C engines is

Higher
Lower
None of these
Same

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Compressors, Gas Turbines and Jet Engines
Turbofan engine employs

No air stream
Solid fuel firing
Two or more air streams
One air stream

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Compressors, Gas Turbines and Jet Engines
In a single stage, single acting reciprocating air compressor, without clearance volume, the work-done is minimum during

Polytropic compression
None of these
Isothermal compression
Isentropic compression

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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
1 m of air at atmospheric condition weighs approximately

2.2 kg
1.3 kg
1.0 kg
0.5 kg

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Compressors, Gas Turbines and Jet Engines
The volume of air delivered by the compressor is called

Swept volume
None of the listed here
Compressor capacity
Free air delivery

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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