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Compressors, Gas Turbines and Jet Engines

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

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

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Compressors, Gas Turbines and Jet Engines
Open cycle gas turbine works on

Ericsson cycle
Carnot cycle
Rankine cycle
Brayton or Atkinson cycle

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Compressors, Gas Turbines and Jet Engines
For maximum work, the reheating should be done to an intermediate pressure of (Where p₁ = Maximum pressure, and p₂ = Minimum pressure)

p₁/p₂
(p₁ + p₂)/2
p₁ p₂
(p₁ - p₂)/2

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Compressors, Gas Turbines and Jet Engines
A compressor at high altitudes will require ___ power.

Same
None of the listed here
Less
More

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Compressors, Gas Turbines and Jet Engines
For minimum work required to compress and deliver a quantity of air by multistage compression

The intercooling should be perfect
All of the listed here
The compression ratio in each stage should be same
The work-done in each stage should be same

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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

0.00070833333333333
0.045138888888889
0.043055555555556
0.048611111111111

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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