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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The hottest point in a gas turbine is

between ~ to i of the blade height
at the tip
in the center
at the base

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

1.3 kg
0.5 kg
1.0 kg
2.2 kg

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

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Compressors, Gas Turbines and Jet Engines
Isothermal compression efficiency, even when running at high speed, can be approached by using

Both (A) and (B) above
Fully insulating the cylinder
Cold water spray
Multistage compression

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Compressors, Gas Turbines and Jet Engines
The volume of air sucked by the compressor during its suction stroke is called

None of these
Free air delivery
Compressor capacity
Swept volume

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Compressors, Gas Turbines and Jet Engines
The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is

Pressure drop across the valves
Superheating in compressor
Clearance volume and leakages
All of these

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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