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chemical engineering fluid mechanics
1. Various efficiencies of a centrifugal pump are related as (where, ηm = mechanical efficiency ηv = volumetric efficiency. ηma = manometric efficiency ηo = overall efficiency)
(A): ηm = ηv . ηma
(B): ηma = ηm x ηv
(C): ηma x ηm x ηv = ηo
(D): ηv = ηm x ηma
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