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Compressors, Gas Turbines and Jet Engines

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

Isothermally
None of these
Polytropically
Isentropically

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Compressors, Gas Turbines and Jet Engines
The pressure ratio in gas turbines is of the order of

2.5423611111111
0.16736111111111
0.084027777777778
0.37569444444444

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Compressors, Gas Turbines and Jet Engines
Diffuser in a compressor is used to

Convert kinetic energy into pressure energy
Convert pressure energy into kinetic energy
Make the flow streamline
Increase velocity

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Compressors, Gas Turbines and Jet Engines
Rotary compressors are suitable for

Low discharge at high pressure
Large discharge at high pressure
Large discharge at low pressure
Low discharge at low pressure

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Compressors, Gas Turbines and Jet Engines
Gas turbines for power generation are normally used

In emergency
To supply peak load requirements
To supply base load requirements
To enable start thermal power plant

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Compressors, Gas Turbines and Jet Engines
Separators in compressor installations are located

After receiver
Before inter-cooler
After inter-cooler
Between after-cooler and air receiver

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