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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
In a single acting reciprocating air compressor, without clearance, the compression of air may be

Any one of these
Isentropic
Isothermal
Polytropic

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Compressors, Gas Turbines and Jet Engines
The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called

Compressor efficiency
Volumetric efficiency
Mechanical efficiency
Isothermal efficiency

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Compressors, Gas Turbines and Jet Engines
The maximum delivery pressure in a rotary air compressor is

50 bar
20 bar
30 bar
10 bar

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Compressors, Gas Turbines and Jet Engines
Which of the following plants is smallest and lightest for generating a given amount of power?

Petrol engine
Gas turbine plant
Diesel engine
Solar plant

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Compressors, Gas Turbines and Jet Engines
In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into

Atmosphere
Back to the compressor
Discharge nozzle
Vacuum

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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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