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Compressors, Gas Turbines and Jet Engines

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

Less
More
Depends on other factors
Same

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Compressors, Gas Turbines and Jet Engines
The ratio of the discharge pressure to the inlet pressure of air is called

Compression ratio
Compressor efficiency
Volumetric efficiency
Expansion ratio

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Compressors, Gas Turbines and Jet Engines
Standard air is the air at ___ and relative humidity of 36 percent.

0.1 bar and 40°C
0.1 bar and 20°C
1 bar and 20°C
1 bar and 40°C

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Compressors, Gas Turbines and Jet Engines
In a closed cycle gas turbine, the air is compressed

Isothermally
Isentropically
Polytropically
None of these

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Compressors, Gas Turbines and Jet Engines
More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than

6 kg/cm²
14.7 kg/cm²
2 kg/cm²
10 kg/cm²

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Compressors, Gas Turbines and Jet Engines
In a jet engine, the air-fuel ratio is

1.2506944444444
2.5006944444444
1.6673611111111
2.0840277777778

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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