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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The air power of the compressor is also known as

Brake power
Indicated power
None of these
Frictional power

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Compressors, Gas Turbines and Jet Engines
The closed cycle in gas turbines

In never used
Is used when gas is to be burnt
Provides greater flexibility
Provides lesser flexibility

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

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Compressors, Gas Turbines and Jet Engines
What will be the volume of air at 327°C if its volume at 27°C is 1.5 m³/ mt?

1.5 m³/ mt.
3 m³/ mt.
18 m³/ mt.
6 m³/ mt.

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Compressors, Gas Turbines and Jet Engines
Maximum temperature in a gas turbine is of the order of

1500°C
700°C
1000°C
2000°C

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

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

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