Air Compressor - Air Compressor objective questions and answers
16. Mining industry usually employs following motive power.......
A.AC electric motor
B.Compressed air
C.Petrol engine
D.Diesel engine
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B.Compressed air
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17. Ratio of compression is the ratio of.......
A.Gauge discharge pressure to the gauge intake pressure
B.Absolute discharge pressure to the absolute intake pressure
C.Stroke Volume and clearance volume
D.None of the above
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18. Cylinder clearance in a compression should be .........
A.As large as possible
B.As small as possible
C.about 50% of sweet volume
C.About 100% of swept volume
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19. Separators are generally installed in compressors......
A.After the intercooler
B.Before the intercooler
C.Before the receiver
D.After the intercooler
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20. Euler's equation is applicable for .......
A.Centrifugal compressor
B.Axial compressor
C.Pumps
D.All of the above
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