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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the flow of air is ________ to the axis of compressor.

None of these
Inclined
Parallel
Perpendicular

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Compressors, Gas Turbines and Jet Engines
The weight per horse power ratio for gas in Turbine as compared to I.C. engine and steam turbine is

None of these
Same
Lower
Higher

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

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

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Compressors, Gas Turbines and Jet Engines
The maximum combustion pressure in gas turbine as compared to I.C. engine is

More
Depends on other factors
Same
Less

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Compressors, Gas Turbines and Jet Engines
Reheating in multistage expansion gas turbine results in

Reduction in compressor work
High thermal efficiency
Maximum work output
Decrease of heat loss in exhaust

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Compressors, Gas Turbines and Jet Engines
A closed cycle gas turbine consists of a

Compressor
Heating chamber
Cooling chamber
All of these

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