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Compressors, Gas Turbines and Jet Engines

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
Solar plant
Petrol engine
Diesel engine

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Compressors, Gas Turbines and Jet Engines
The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is

Less
More
Same
More/less depending on compressor capacity

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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
Less
More

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Compressors, Gas Turbines and Jet Engines
In jet propulsion power unit, the inlet duct of diverging shape is used in order to

Collect more air
Provide robust structure
Convert kinetic energy of air into pressure energy
Beautify the shape

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Compressors, Gas Turbines and Jet Engines
Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm. The air pressure will be

0.53 kg/cm²
1.03 kg/cm²
1.00 kg/cm²
1.06 kg/cm²

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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
Ramjet engine
Rockets

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