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Compressors, Gas Turbines and Jet Engines

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

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

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Compressors, Gas Turbines and Jet Engines
The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is

150 KW
600 KW
6000 KW
15 KW

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Compressors, Gas Turbines and Jet Engines
Free air is the air at

0°C and standard atmospheric conditions
20°C and 1 kg/cm² and relative humidity of 36%
15°C and 1 kg/cm²
Atmospheric conditions at any specific location

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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
Radial
None of the listed here
Forward curved

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Compressors, Gas Turbines and Jet Engines
High air-fuel ratio is used in gas turbines

To reduce the exit temperature
To increase the efficiency
To increase the output
To save fuel

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Compressors, Gas Turbines and Jet Engines
A compressor at high altitudes will require ___ power.

None of the listed here
Same
Less
More

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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