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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The gas in cooling chamber of a closed cycle gas turbine is cooled at

Constant pressure
Constant temperature
None of the listed here
Constant volume

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Compressors, Gas Turbines and Jet Engines
Gas turbines for power generation are normally used

To supply base load requirements
In emergency
To enable start thermal power plant
To supply peak load requirements

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Compressors, Gas Turbines and Jet Engines
Which is false statement about multistage compression?

Power consumption per unit of air delivered is low
The moisture in air is condensed in the inter-cooler
It is best suited for compression ratios around 7:1
Volumetric efficiency is high

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Compressors, Gas Turbines and Jet Engines
The thermal efficiency of a gas turbine as compared to a diesel plant is

Depends on other factors
Same
More
Less

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Compressors, Gas Turbines and Jet Engines
Gas turbine as compared to steam turbine

Requires less space for installation
Has less efficiency
Has compressor and combustion chamber
All of these

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

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

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