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Compressors, Gas Turbines and Jet Engines

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

Brayton or Atkinson cycle
Carnot cycle
Ericsson cycle
Rankine cycle

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Compressors, Gas Turbines and Jet Engines
The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called

None of these
Velocity coefficient
Slip factor
Velocity factor

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Compressors, Gas Turbines and Jet Engines
Inter-cooling in multistage compressors is done

To minimize the work of compression
To cool the air during compression
To cool the air at delivery
To enable compression in two stages

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Compressors, Gas Turbines and Jet Engines
The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as

Isothermal efficiency
Compressor efficiency
Mechanical efficiency
Volumetric efficiency

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Compressors, Gas Turbines and Jet Engines
As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio

Decreases
Increases
Remain same
First increases and then decreases

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Compressors, Gas Turbines and Jet Engines
The volume of air delivered in a medium capacity air compressor per unit time is

None of these
0.1 to 1.2 m³/s
Above 5 m³/s
0.15 to 5 m³/s

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