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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The air entry velocity m a rocket as compared to aircraft is

Less
Zero
More
Same

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Compressors, Gas Turbines and Jet Engines
A rotary compressor is driven by an

Electric motor
None of these
Either (A) or (B)
Engine

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Compressors, Gas Turbines and Jet Engines
Actual compression curve is

Same as adiabatic
In between isothermal and adiabatic
Same as isothermal
Better than isothermal and adiabatic

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Compressors, Gas Turbines and Jet Engines
The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is

Pressure drop across the valves
Clearance volume and leakages
Superheating in compressor
All of these

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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

More
Less
More/less depending on compressor capacity
Same

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Compressors, Gas Turbines and Jet Engines
A machine used to raise the pressure of air is called

Gas turbine
I.C engine
Compressor
Air motor

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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