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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The main purpose of reheating in gas turbine is to

Increase temperature
Increase speed
Increase power output
Reduce turbine size

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Compressors, Gas Turbines and Jet Engines
A gas turbine used in air craft should have

Low weight and small frontal area
Small frontal area and high h.p.
High speed and high h.p.
High h.p. and low weight

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

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Compressors, Gas Turbines and Jet Engines
Reheating in multistage expansion gas turbine results in

Reduction in compressor work
High thermal efficiency
Maximum work output
Decrease of heat loss in exhaust

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Compressors, Gas Turbines and Jet Engines
In a high pressure compressor, the delivery pressure is

1 to 5 bar
10 to 15 bar
8 to 10 bar
5 to 8 bar

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Compressors, Gas Turbines and Jet Engines
When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be

Backward curved
Forward curved
Radial
None of the listed here

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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