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Compressors, Gas Turbines and Jet Engines

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

More
Less
Zero
Same

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Compressors, Gas Turbines and Jet Engines
For speed above 3000 km/hour, it is more advantageous to use

Propellers
Turbojet engine
Rockets
Ramjet engine

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Compressors, Gas Turbines and Jet Engines
Water is injected in gas turbine cycle to

Increase efficiency
Control temperature
Control output of turbine
Control fire hazards

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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?

Gas turbine plant
Petrol engine
Diesel engine
Solar plant

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Compressors, Gas Turbines and Jet Engines
A machine used to raise the pressure of air is called

I.C engine
Gas turbine
Compressor
Air motor

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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

Compression ratio
Pressure ratio
None of these
Work ratio

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