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Compressors, Gas Turbines and Jet Engines

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

700°C
200°C
1000°C
500°C

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Compressors, Gas Turbines and Jet Engines
The air is delivered ________ in one revolution in case of a three lobbed rotor.

Four times
Two times
Three times
Six times

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Compressors, Gas Turbines and Jet Engines
Gas turbine blades are given a rake

Equal to zero
Opposite to the direction of motion of blades
In the direction of motion of blades
Depending on the velocity

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, an increase in speed at a given pressure ratio causes

Increase in flow
Increase in efficiency
Decrease in flow
Increase in flow and decrease in efficiency

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

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

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Compressors, Gas Turbines and Jet Engines
Euler's equation is applicable for

Centrifugal compressor
All of these
Pumps
Axial compressor

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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