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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Work ratio of a gas turbine may be improved by

Decreasing the compression work
Increasing the compression work
Both (A) and (C) above
Increasing the turbine work

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Compressors, Gas Turbines and Jet Engines
The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is

600 KW
150 KW
6000 KW
15 KW

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Compressors, Gas Turbines and Jet Engines
Surging is the phenomenon of

Air stream blocking the passage
Motion of air at sonic velocity
Air stream not able to follow the blade contour
Unsteady, periodic and reversed flow

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Compressors, Gas Turbines and Jet Engines
Euler's equation can be used for

Axial flow compressors
Pumps
All of these
Radial flow compressors

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Compressors, Gas Turbines and Jet Engines
Which of the following plants is smallest and lightest for generating a given amount of power?

Gas turbine plant
Diesel engine
Solar plant
Petrol engine

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Compressors, Gas Turbines and Jet Engines
For an irreversible gas turbine cycle, the efficiency and work ratio both depend on

Pressure ratio alone
Minimum cycle temperature alone
Both pressure ratio and maximum cycle temperature
Maximum cycle temperature alone

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