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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The fuel consumption in gas turbines is accounted for by

Higher heating value
Higher calorific value
Lower heating value
Heating value

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Compressors, Gas Turbines and Jet Engines
The work-done on a compressor will be minimum if air is taken from

The atmosphere
A source at 0° C
A source of low temperature air
A source of high temperature air

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Compressors, Gas Turbines and Jet Engines
When the temperature of air leaving the inter-cooler, in a two stage compression with inter-cooler, is ________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling.

More than
None of these
Less than
Equal to

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Compressors, Gas Turbines and Jet Engines
The ratio of the net work obtained from the gas turbine plant to the turbine work is known as

None of these
Compression ratio
Pressure ratio
Work ratio

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Compressors, Gas Turbines and Jet Engines
A 3 m³/min compressor means that it

Compresses 3 m³/min of standard air
Delivers 3 m³/ min of compressed air
Delivers 3 m³/ min of compressed air at delivery pressure
Compresses 3 m³/ min of free air

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Compressors, Gas Turbines and Jet Engines
It is not possible to use closed gas turbine cycle in aeronautical engines because

It is bulky
It requires cooling water for its operation
It is inefficient
None of these

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