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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Gas turbine as compared to internal combustion engine

All of the listed here
Has more efficiency
Produces uniform torque
Can be driven at a very high speed

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Compressors, Gas Turbines and Jet Engines
After-cooler is used to

Reduce volume
Cool the air
Cause moisture and oil vapour to drop out
Decrease the delivery temperature for ease in handling

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Compressors, Gas Turbines and Jet Engines
Gas turbine cycle with regenerator

Allows high compression ratio
Decreases heat loss is exhaust
Allows operation at very high altitudes
Increases thermal efficiency

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Compressors, Gas Turbines and Jet Engines
In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into

Back to the compressor
Atmosphere
Vacuum
Discharge nozzle

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Compressors, Gas Turbines and Jet Engines
A rocket engine for the combustion of its fuel

Uses surrounding air
Does not require oxygen
Carries its own oxygen
Uses compressed atmospheric air

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

Pressure ratio
Maximum cycle temperature
Minimum cycle temperature
All of these

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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