1.

Various efficiencies of a centrifugal pump are related as (where, ηm = mechanical efficiency ηv = volumetric efficiency. ηma = manometric efficiency ηo = overall efficiency)

A. ma x ηm x ηv = ηo
B. m = ηv . ηma
C. ma = ηm x ηv
D. v = ηm x ηma
Answer» C. ma = ηm x ηv


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