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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
1 m of air at atmospheric condition weighs approximately

0.5 kg
2.2 kg
1.0 kg
1.3 kg

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Compressors, Gas Turbines and Jet Engines
A machine used to raise the pressure of air is called

I.C engine
Gas turbine
Compressor
Air motor

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Compressors, Gas Turbines and Jet Engines
The ratio of isentropic work to Euler work is known as

Slip factor
Polytropic reaction
Work coefficient
Pressure coefficient

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

Brayton or Atkinson cycle
Rankine cycle
Ericsson cycle
Carnot cycle

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Compressors, Gas Turbines and Jet Engines
The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation

1.0%
0.5%
0.1%
5%

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Compressors, Gas Turbines and Jet Engines
A large clearance volume in a reciprocating compressor results in

Lower suction pressure
Increased volume flow rate
Reduced volume flow rate
Lower delivery pressure

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