Compressors, Gas Dynamics and Gas Turbines - Data Intensity 2 Multiple Questions and Answers.




1.In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in ___ of the piston.
A. one stroke
B. two strokes
C. three strokes
D. four strokes

2.The maximum delivery pressure in a rotary air compressor is
A. 10 bar
B. 20 bar
C. 30 bar
D. 50 bar

3.The capacity of a compressor is expressed in
A. kg/m2
B. kg/m3
C. m3/min
D. m3/kg

4.Intercooling in multi-stage compressors is done
A. to cool the air during compression
B. to cool the air at delivery
C. to enable compression in two stages
D. to minimise the work of compression

5.The ratio of workdone per cycle to the stroke volume of the compressor is known as
A. compressor capacity
B. compression ratio
C. compressor efficiency
D. mean effective pressure

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