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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The compression ratio for the compressor is always _________ unity.

More than
Equal to
None of these
Less than

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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

Discharge nozzle
Vacuum
Atmosphere
Back to the compressor

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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)/2
p₁ p₂

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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
0.043055555555556
0.045138888888889
0.048611111111111

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Compressors, Gas Turbines and Jet Engines
The capacity of a compressor is 5 m/min refers to

Free air
Compressed air at delivery pressure
Standard air
Compressed air

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Compressors, Gas Turbines and Jet Engines
In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to

N.T.P. conditions
Intake temperature and pressure conditions
0°C and 1 kg/cm²
20°C and 1 kg/cm²

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