Compressors, Gas Turbines and Jet Engines
Volumetric efficiency of a compressor with clearance volume

Increases with increase in compression ratio
In not dependent upon compression ratio
Decreases with increase in compression ratio
May increase/decrease depending on compressor capacity

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Compressors, Gas Turbines and Jet Engines
Which of the following statement is correct relating to rocket engines?

The stagnation conditions exist at the combustion chamber
All of these
The exit velocities of exhaust gases are much higher than those in jet engine
The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel

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