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Compressors, Gas Turbines and Jet Engines

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

Low altitudes
High altitudes
High speeds
Low speeds

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Compressors, Gas Turbines and Jet Engines
Isothermal compression efficiency can be attained by running the compressor

At average speed
At very slow speed
At very high speed
At zero speed

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

Less
Same
More
None of the listed here

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Compressors, Gas Turbines and Jet Engines
The fuel consumption in gas turbines is accounted for by

Heating value
Higher heating value
Higher calorific value
Lower heating value

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Compressors, Gas Turbines and Jet Engines
For an irreversible gas turbine cycle, the efficiency and work ratio both depend on

Minimum cycle temperature alone
Maximum cycle temperature alone
Both pressure ratio and maximum cycle temperature
Pressure ratio alone

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Compressors, Gas Turbines and Jet Engines
The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is

High
Same
Low/high depending on make and type
Low

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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