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Compressors, Gas Turbines and Jet Engines

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

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

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Compressors, Gas Turbines and Jet Engines
For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will

Remain unaffected
Decrease
Other factors control it
Increase

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Compressors, Gas Turbines and Jet Engines
The working fluid in a turbine is

In the form of air and water mixture
In two phases
In a single phase
In three phases

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Compressors, Gas Turbines and Jet Engines
A closed gas turbine in which fuel is burnt directly in the air is not possible because of

High friction losses
Increasing gas temperature
High specific volume
Paucity of O2

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Compressors, Gas Turbines and Jet Engines
Which of the following fuels can be used in turbojet engines?

Liquid hydrogen
High speed diesel oil
Methyl alcohol
Kerosene

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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?

Diesel engine
Solar plant
Gas turbine plant
Petrol engine

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