A roots blower compresses 0.06 cubic metres of air from 1.0 bar to 1.4 – McqOptions

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1.	A roots blower compresses 0.06 cubic metres of air from 1.0 bar to 1.45 bar per revolution. The compressor efficiency is nearly
A.	75%
B.	63%
C.	87%
D.	99%
Answer» D. 99%

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