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
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

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Compressors, Gas Turbines and Jet Engines
In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in

Exit nozzle, which is a constant volume process
Turbine blades, which is a constant volume process
Turbine blades, which is essentially an isentropic process
Exit nozzle, which is essentially an isentropic process

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