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

A. ηma × ηm × ηv = ηo

B. ηm = ηv × ηma

C. ηma = ηm × ηv

D. ηv = ηm × ηma

Answer: Option B

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