单选题Most pump manufacturers recommended that the discharge piping for centrifugal pumps be （）.Aone size larger than the pump discharge nozzleBthe same size as the pump discharge nozzleCone size smaller than the pump discharge nozzleDinstalled with a short radius elbow at the pump
单选题
Most pump manufacturers recommended that the discharge piping for centrifugal pumps be （）.
A
one size larger than the pump discharge nozzle
B
the same size as the pump discharge nozzle
C
one size smaller than the pump discharge nozzle
D
installed with a short radius elbow at the pump
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