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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
1 m of air at atmospheric condition weighs approximately

2.2 kg
1.0 kg
0.5 kg
1.3 kg

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Compressors, Gas Turbines and Jet Engines
Losses in a centrifugal compressor are due to

Diffuser losses
Inlet losses
All of the listed here
Impeller channel losses

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

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

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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
(p₁ - p₂)/2
(p₁ + p₂)/2

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Compressors, Gas Turbines and Jet Engines
In a jet engine, the air-fuel ratio is

2.5006944444444
2.0840277777778
1.2506944444444
1.6673611111111

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Compressors, Gas Turbines and Jet Engines
The inlet pressure is always ___ the discharge pressure.

Equal to
Less than
None of the listed here
More than

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