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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Air-fuel ratio in a jet engine will be of the order of

0.41736111111111
0.62569444444444
2.5006944444444
0.83402777777778

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Compressors, Gas Turbines and Jet Engines
In a single acting reciprocating air compressor, without clearance, the compression of air may be

Isothermal
Any one of these
Polytropic
Isentropic

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Compressors, Gas Turbines and Jet Engines
Gas turbine works on

Rankine cycle
Carnot cycle
Ericsson cycle
Brayton or Atkinson cycle

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Compressors, Gas Turbines and Jet Engines
Reciprocating air compressor is best suited for

Small quantity of air at high pressure
Large quantity of air at low pressure
Large quantity of air at high pressure
Small quantity of air at low pressure

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Compressors, Gas Turbines and Jet Engines
Pick up the wrong statement about advantages of multistage compression

More loss of air due to leakage past the cylinder
Air can be cooled perfectly in between
Mechanical balance is better
Better lubrication is possible advantages of multistage

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Compressors, Gas Turbines and Jet Engines
Free air is the air at

15°C and 1 kg/cm²
0°C and standard atmospheric conditions
20°C and 1 kg/cm² and relative humidity of 36%
Atmospheric conditions at any specific location

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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