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Compressors, Gas Turbines and Jet Engines

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

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

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Compressors, Gas Turbines and Jet Engines
In jet engines the products of combustion after passing through the gas turbine are discharged into

Vacuum
Atmosphere
Discharge nozzle
Back to the compressor

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

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

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

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

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Compressors, Gas Turbines and Jet Engines
Mining industry usually employs following motive power

Diesel engine
Compressed air
C. electric motor
Petrol engine

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor.

Inlet whirl velocity
Outlet velocity of flow
Outlet whirl velocity
Inlet velocity of flow

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