The relation between hydraulic efficiency (ηh), mechanical efficiency – McqOptions

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1.	The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency(ηo) is
A.	??h= ??o x ??m
B.	??o= ??h x ??m
C.	??o= ??m/??h
D.	none off the above
Answer» C. ??o= ??m/??h

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