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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The criterion of the thermodynamic efficiency for rotary compressor is

None of the listed here
Isothermal compression
Polytropic compression
Isentropic compression

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Compressors, Gas Turbines and Jet Engines
The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is

Same
More/less depending on compressor capacity
Less
More

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Compressors, Gas Turbines and Jet Engines
Separators are generally used in air compressor installations

Before the inter-cooler
After the inter-cooler
Between the after-cooler and receiver
Before first stage suction

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Compressors, Gas Turbines and Jet Engines
The maximum compression ratio in an actual single stage axial flow compressor is of the order of

0.048611111111111
0.045138888888889
0.043055555555556
0.00070833333333333

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Compressors, Gas Turbines and Jet Engines
1 m of air at atmospheric condition weighs approximately

0.5 kg
1.3 kg
2.2 kg
1.0 kg

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

High nickel alloy
Carbon steel
High alloy steel
Stainless steel

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