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
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