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Compressors, Gas Turbines and Jet Engines

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

Free air delivery
None of these
Swept volume
Compressor capacity

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Compressors, Gas Turbines and Jet Engines
A rotary compressor is driven by an

Either (A) or (B)
Engine
Electric motor
None of these

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Compressors, Gas Turbines and Jet Engines
The air-fuel ratio in gas turbines is of the order of

50: 1.
30: 1
15: 1
7: 1

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Compressors, Gas Turbines and Jet Engines
An air compressor may be controlled by

Any one of the above
Blow off control
Throttle control
Clearance control

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Compressors, Gas Turbines and Jet Engines
High air-fuel ratio in gas turbines

Do not damage turbine blades
Reduces exhaust temperature
Improves thermal efficiency
Increases power output

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Compressors, Gas Turbines and Jet Engines
If the flow of air through the compressor is parallel to its axis, then the compressor is

Centrifugal compressor
Axial flow compressor
Reciprocating compressor
Turbo compressor

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