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Compressors, Gas Turbines and Jet Engines

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

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

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Compressors, Gas Turbines and Jet Engines
The velocity of air entering in a rocket is ___ as compared to an aircraft.

Zero
Same
Less
More

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Compressors, Gas Turbines and Jet Engines
The efficiency of jet engine is

Same at all altitudes
Higher at high altitudes
Lower at low speed
Higher at high speed

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Compressors, Gas Turbines and Jet Engines
The following property is most important for material used for gas turbine blade

Fatigue
Toughness
Corrosion resistance
Creep

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

Rankine cycle
Ericsson cycle
Carnot cycle
Joule cycle

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Compressors, Gas Turbines and Jet Engines
A centrifugal compressor works on the principle of

Generating pressure directly
Centripetal action
Conversion of pressure energy into kinetic energy
Conversion of kinetic energy into pressure energy

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