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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Cylinder clearance in a compressor should be

As small as possible
About 50% of swept volume
As large as possible
About 100% of swept volume

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Compressors, Gas Turbines and Jet Engines
The blades of gas turbine are made of

Stainless steel
Carbon steel
High alloy steel
High nickel alloy

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

All of the listed here
Adding a regenerator
Inter cooling
Reheating

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Compressors, Gas Turbines and Jet Engines
Isothermal compression efficiency, even when running at high speed, can be approached by using

Both (A) and (B) above
Multistage compression
Fully insulating the cylinder
Cold water spray

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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?

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

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

None of these
Isentropically
Polytropically
Isothermally

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