Compressors, Gas Turbines and Jet Engines
For minimum work in multistage compression, assuming same index of compression in all stages

Work done in subsequent stages should decrease
Work done in all stages should be equal
Work done in first stage should be more
Work done in subsequent stages should increase

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Compressors, Gas Turbines and Jet Engines
Pick up the false statement

Exhaust losses in gas turbine are high due to large mass flow rate
Gas turbine is a self starting unit
Overall efficiency of gas turbine plant is lower than that of a reciprocating engine
Gas turbine does not require huge quantity of water like steam plant

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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 exit velocities of exhaust gases are much higher than those in jet engine
The stagnation conditions exist at the combustion chamber

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