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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
To avoid moisture troubles, the branch connections from compressed air lines should be taken from

Left side of main
Bottom side of main
Top side of main
Right side of main

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Compressors, Gas Turbines and Jet Engines
Ramjet engine

Is not self operating at zero flight speed
Produces a jet consisting of plasma
Requires no air for its operation
Is self operating at zero flight speed

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

Higher heating value
Higher calorific value
Lower heating value
Heating value

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

Reduces exhaust temperature
Increases power output
Improves thermal efficiency
Do not damage turbine blades

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Compressors, Gas Turbines and Jet Engines
The thermodynamic efficiency of rotary compressor is based on

Isothermal compression
Isentropic compression
Adiabatic compression
Polytropic compression

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Compressors, Gas Turbines and Jet Engines
The performance of air compressor at high altitudes will be ________ as compared to that at sea level.

Same
None of these
Higher
Lower

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