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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
A jet engine works on the principle of conservation of

Flow
Energy
Linear momentum
Mass

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Compressors, Gas Turbines and Jet Engines
The absolute pressure of air at the outlet of a compressor is called

Discharge pressure
Back pressure
None of the listed here
Critical pressure

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the highest Mach number leading to shock wave in the fluid flow occurs at

Impeller inlet radius
Diffuser outlet radius
Impeller outlet radius
Diffuser inlet radius

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Compressors, Gas Turbines and Jet Engines
The volume of air delivered in a medium capacity air compressor per unit time is

0.15 to 5 m³/s
None of these
0.1 to 1.2 m³/s
Above 5 m³/s

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Compressors, Gas Turbines and Jet Engines
For speed above 3000 km/hour, it is more advantageous to use

Propellers
Turbojet engine
Ramjet engine
Rockets

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Compressors, Gas Turbines and Jet Engines
As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio

Remain same
Decreases
Increases
First increases and then decreases

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