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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called

Pressure ratio
Pressure coefficient
Degree of reaction
Slip factor

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Compressors, Gas Turbines and Jet Engines
Maximum temperature in a gas turbine is of the order of

2000°C
1000°C
1500°C
700°C

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Compressors, Gas Turbines and Jet Engines
Ramjet engine

Is self operating at zero flight speed
Is not self operating at zero flight speed
Requires no air for its operation
Produces a jet consisting of plasma

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Compressors, Gas Turbines and Jet Engines
The compressor performance at higher altitude compared to sea level will be

Same
Lower
Higher
Dependent on other factors

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

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

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Compressors, Gas Turbines and Jet Engines
In a high pressure compressor, the delivery pressure is

10 to 15 bar
8 to 10 bar
5 to 8 bar
1 to 5 bar

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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