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Compressors, Gas Turbines and Jet Engines

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

0.043055555555556
0.048611111111111
0.045138888888889
0.00070833333333333

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Compressors, Gas Turbines and Jet Engines
Mining industry usually employs following motive power

Petrol engine
Compressed air
Diesel engine
C. electric motor

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Compressors, Gas Turbines and Jet Engines
In which case the air-fuel ratio is likely to be maximum?

4-stroke diesel engine
Multi cylinder engine
4-stroke petrol engine
Gas turbine

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Compressors, Gas Turbines and Jet Engines
A large clearance volume in a reciprocating compressor results in

Increased volume flow rate
Lower suction pressure
Reduced volume flow rate
Lower delivery pressure

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Compressors, Gas Turbines and Jet Engines
For minimum work required to compress and deliver a quantity of air by multistage compression

The intercooling should be perfect
The work-done in each stage should be same
The compression ratio in each stage should be same
All of the listed here

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Compressors, Gas Turbines and Jet Engines
Reciprocating air compressor is best suited for

Small quantity of air at high pressure
Large quantity of air at high pressure
Large quantity of air at low pressure
Small quantity of air at low pressure

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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