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Compressors, Gas Turbines and Jet Engines

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

None of the listed here
Discharge pressure
Back pressure
Critical pressure

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Compressors, Gas Turbines and Jet Engines
To avoid moisture troubles, the compressed air main line should

Be laid exactly horizontally
Drop gradually towards the point of use
Rise gradually towards the point of use
Be laid vertically

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

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

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Compressors, Gas Turbines and Jet Engines
For slow speed large capacity compressor, following type of valve will be best suited

Mechanical valve of the Corliss, sleeve, rotary or semi rotary type
Poppet valve
Disc or feather type
Any of the above

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Compressors, Gas Turbines and Jet Engines
The working fluid in a turbine is

In the form of air and water mixture
In two phases
In three phases
In a single phase

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Compressors, Gas Turbines and Jet Engines
High air-fuel ratio in gas turbines

Improves thermal efficiency
Reduces exhaust temperature
Increases power output
Do not damage turbine blades

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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