Compressors, Gas Turbines and Jet Engines
Rotary compressors are used for delivering

Large quantities of air at high pressures
Large quantities of air at low pressures
Small quantities of air at high pressures
Small quantities of air at low pressures

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

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

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