Compressors, Gas Turbines and Jet Engines
Ramjet engine

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

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Compressors, Gas Turbines and Jet Engines
The compressor capacity is defined as the

Volume of air delivered by the compressor
None of these
Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions
Volume of air sucked by the compressor during its suction stroke

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Compressors, Gas Turbines and Jet Engines
In a jet propulsion

The propulsive matter is caused to flow around the propelled body
None of these
Its functioning does not depend upon presence of air
The propulsive matter is ejected from within the propelled body

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Compressors, Gas Turbines and Jet Engines
In the axial flow gas turbine, the work ratio is the ratio of

Output and input
Actual total head temperature drop to the isentropic total head drop from total head inlet to static head outlet
Actual compressor work and theoretical compressor work
Compressor work and turbine work

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