Compressors, Gas Turbines and Jet Engines
In a jet propulsion

None of these
The propulsive matter is caused to flow around the propelled body
Its functioning does not depend upon presence of air
The propulsive matter is ejected from within the propelled body

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

The exit velocities of exhaust gases are much higher than those in jet engine
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

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