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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
Critical pressure
Back pressure
Discharge pressure

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Compressors, Gas Turbines and Jet Engines
The axial flow compressor is preferred in aircraft gas turbines because of

Higher thrust
High pressure rise
Low frontal area
None of the listed here

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Compressors, Gas Turbines and Jet Engines
Ratio of indicated h.p. to shaft h.p. in known as

Compressor efficiency
Volumetric efficiency
Isothermal efficiency
Mechanical efficiency

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Compressors, Gas Turbines and Jet Engines
A closed cycle gas turbine works on

Carnot cycle
Ericsson cycle
Joule cycle
Rankine cycle

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Compressors, Gas Turbines and Jet Engines
A compressor at high altitudes will require ___ power.

More
Less
Same
None of the listed here

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

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

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