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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The maximum temperature in a gas turbine is

500°C
200°C
700°C
1000°C

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Compressors, Gas Turbines and Jet Engines
The axial flow compressor is preferred in aircraft gas turbines because of

Higher thrust
None of the listed here
High pressure rise
Low frontal area

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Compressors, Gas Turbines and Jet Engines
The compressor efficiency is the

Total output/air input
Isothermal H.P/indicated H.R
Compression work/motor input
Isothermal H.P./shaft H.R

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Compressors, Gas Turbines and Jet Engines
Separators in compressor installations are located

Between after-cooler and air receiver
After inter-cooler
Before inter-cooler
After receiver

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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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Compressors, Gas Turbines and Jet Engines
In multistage compressor, the isothermal compression is achieved by

By constantly cooling the cylinder
Employing inter-cooler
By insulating the cylinder
By running compressor at very slow speed

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