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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The ideal efficiency of simple gas turbine cycle depends on

All of these
Pressure ratio
Minimum cycle temperature
Maximum cycle temperature

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Compressors, Gas Turbines and Jet Engines
For supplying intermittent small quantity of air at high pressure, following compressor is best suited

Axial
Screw
Centrifugal
Reciprocating

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Compressors, Gas Turbines and Jet Engines
Stalling of blades in axial flow compressor is the phenomenon of

Unsteady periodic and reversed flow
Motion of air at sonic velocity
Air stream not able to follow the blade contour
Air stream blocking the passage

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Compressors, Gas Turbines and Jet Engines
Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on

Stagnation pressure at the outlet
Pressure ratio
Mass flow rate
Change in load

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Compressors, Gas Turbines and Jet Engines
The efficiency of a jet engine is higher at

High speeds
High altitudes
Low altitudes
Low speeds

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Compressors, Gas Turbines and Jet Engines
With the decrease in compression ratio, the volumetric efficiency

First decrease and then increase
Increases
Decreases
Does not change

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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