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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 temperature
Constant pressure
Constant volume
None of the listed here

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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
Isothermal compression efficiency, even when running at high speed, can be approached by using

Cold water spray
Both (A) and (B) above
Fully insulating the cylinder
Multistage compression

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Compressors, Gas Turbines and Jet Engines
The minimum work required for a three stage reciprocating air compressor is ___ the work required for each stage.

Double
Six times
Three times
Equal to

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Compressors, Gas Turbines and Jet Engines
Gas turbine blades are given a rake

In the direction of motion of blades
Equal to zero
Depending on the velocity
Opposite to the direction of motion of blades

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Compressors, Gas Turbines and Jet Engines
It is not possible to use closed gas turbine cycle in aeronautical engines because

It is bulky
None of these
It is inefficient
It requires cooling water for its operation

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