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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
Produces uniform torque
All of the listed here
Has more efficiency

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Compressors, Gas Turbines and Jet Engines
Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm. The air pressure will be

1.06 kg/cm²
1.00 kg/cm²
1.03 kg/cm²
0.53 kg/cm²

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Compressors, Gas Turbines and Jet Engines
For perfect intercooling in a three stage compressor

p₂/p₁ = p₃/p₂ = p₄/p₃
p₃/p₁ = p₄/p₂
p₁ p₂ = p₃ p₄
p₁ p₃ = p₂ p₄

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

Ideal compression
Isothermal compression
Isentropic compression
Adiabatic compression

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Compressors, Gas Turbines and Jet Engines
The maximum compression ratio in an actual single stage axial flow compressor is of the order of

0.045138888888889
0.048611111111111
0.00070833333333333
0.043055555555556

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Compressors, Gas Turbines and Jet Engines
The ideal efficiency of simple gas turbine cycle depends on

Maximum cycle temperature
All of these
Minimum cycle temperature
Pressure ratio

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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