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Compressors, Gas Turbines and Jet Engines

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

More/less depending on compressor capacity
Less
Same
More

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Compressors, Gas Turbines and Jet Engines
To avoid moisture troubles, the compressed air main line should

Be laid exactly horizontally
Rise gradually towards the point of use
Be laid vertically
Drop gradually towards the point of use

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

Turbojet engine
Propellers
Rockets
Ramjet engine

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Compressors, Gas Turbines and Jet Engines
Efficiency of gas turbine is increased by

Reheating
Adding a regenerator
Inter cooling
All of the listed here

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Compressors, Gas Turbines and Jet Engines
Gas turbine as compared to steam turbine

All of these
Has less efficiency
Requires less space for installation
Has compressor and combustion chamber

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the flow of air is ________ to the axis of compressor.

Perpendicular
Parallel
None of these
Inclined

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