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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Efficiency of gas turbine is increased by

Reheating
Adding a regenerator
Inter cooling
All of the listed here

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Compressors, Gas Turbines and Jet Engines
Pick up the wrong statement about advantages of multistage compression

More loss of air due to leakage past the cylinder
Better lubrication is possible advantages of multistage
Mechanical balance is better
Air can be cooled perfectly in between

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Compressors, Gas Turbines and Jet Engines
Standard air is the air at

20°C and 1 kg/cm² and relative humidity 36%
Atmospheric conditions at any specific location
15°C and 1 kg/cm²
0°C and standard atmospheric conditions

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Compressors, Gas Turbines and Jet Engines
Compression efficiency is compared against

Ideal compression
Isentropic compression
Adiabatic compression
Isothermal compression

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Compressors, Gas Turbines and Jet Engines
The velocity of air entering in a rocket is ___ as compared to an aircraft.

Less
Same
Zero
More

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

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

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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