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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Maximum delivery pressure is a rotary air compressor is of the order of

25 kg/cm²
10 kg/cm²
16 kg/cm²
6 kg/cm²

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Compressors, Gas Turbines and Jet Engines
In a double acting compressor, the air is compressed

In one cylinder
In two cylinders
In two cylinders on both sides of the piston
In a single cylinder on both sides of the piston

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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
Ramjet engine

Is self operating at zero flight speed
Produces a jet consisting of plasma
Is not self operating at zero flight speed
Requires no air for its operation

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Compressors, Gas Turbines and Jet Engines
Axial flow compressor resembles

Reciprocating pump
Sliding vane compressor
Centrifugal pump
Turbine

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Compressors, Gas Turbines and Jet Engines
The work-done on a compressor will be minimum if air is taken from

A source of low temperature air
A source of high temperature air
The atmosphere
A source at 0° C

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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