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Compressors, Gas Turbines and Jet Engines

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

None of the listed here
Back pressure
Discharge pressure
Critical pressure

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Compressors, Gas Turbines and Jet Engines
The work ratio of simple gas turbine cycle depends on

Minimum cycle temperature
Maximum cycle temperature
All of these
Pressure ratio

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Compressors, Gas Turbines and Jet Engines
The type of rotary compressor used in gas turbines, is of

Axial flow type
None of the listed here
Radial flow type
Centrifugal type

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Compressors, Gas Turbines and Jet Engines
The indicated work per unit mass of air delivered is

Inversely proportional to clearance volume
Directly proportional to clearance volume
Not affected by clearance volume
Greatly affected by clearance volume

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Compressors, Gas Turbines and Jet Engines
Which is false statement about air receivers?

These are used to dampen pulsations
These increase compressor efficiency
These knock out some oil and moisture
These act as reservoir to take care of sudden demands

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

Propellers
Ramjet engine
Turbojet engine
Rockets

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