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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Gas turbine as compared to internal combustion engine

Can be driven at a very high speed
Has more efficiency
All of the listed here
Produces uniform torque

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

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

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

Adiabatic compression
Isentropic compression
Ideal compression
Isothermal compression

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Compressors, Gas Turbines and Jet Engines
Turbofan engine employs

No air stream
One air stream
Solid fuel firing
Two or more air streams

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Compressors, Gas Turbines and Jet Engines
The absolute pressure of air at the outlet of a compressor is called

Critical pressure
None of the listed here
Back pressure
Discharge pressure

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Compressors, Gas Turbines and Jet Engines
The efficiency of jet engine is

Lower at low speed
Higher at high altitudes
Same at all altitudes
Higher at high speed

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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