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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is

Less
More/less depending on compressor capacity
More
Same

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Compressors, Gas Turbines and Jet Engines
A rotary compressor is driven by an

None of these
Either (A) or (B)
Engine
Electric motor

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Compressors, Gas Turbines and Jet Engines
The minimum work required for a three stage reciprocating air compressor is ___ the work required for each stage.

Six times
Double
Three times
Equal to

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Compressors, Gas Turbines and Jet Engines
A closed cycle gas turbine works on

Joule cycle
Carnot cycle
Rankine cycle
Ericsson cycle

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Compressors, Gas Turbines and Jet Engines
The advantage of multistage compression over single stage compression is

Decreased discharge temperature
Higher volumetric efficiency
Lower power consumption per unit of air delivered
All of these

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

Rockets
Turbojet engine
Ramjet engine
Propellers

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