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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
If the flow of air through the compressor is perpendicular to its axis, then it is a

Turbo compressor
Axial flow compressor
Centrifugal compressor
Reciprocating compressor

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Compressors, Gas Turbines and Jet Engines
The stagnation pressure rise in a centrifugal compressor takes place

In the impeller only
In the diffuser only
In the inlet guide vanes only
In the diffuser and impeller

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Compressors, Gas Turbines and Jet Engines
In a jet engine, the air-fuel ratio is

2.5006944444444
1.2506944444444
1.6673611111111
2.0840277777778

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Compressors, Gas Turbines and Jet Engines
Actual compression curve is

Same as adiabatic
In between isothermal and adiabatic
Same as isothermal
Better than isothermal and adiabatic

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Compressors, Gas Turbines and Jet Engines
The following property is most important for material used for gas turbine blade

Corrosion resistance
Fatigue
Creep
Toughness

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Compressors, Gas Turbines and Jet Engines
Axial flow compressor has the following advantage over centrifugal compressor

Higher pressure ratio per stage
Higher average velocities
Larger air handling ability per unit frontal area
Aerofoil blades are used

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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