单选题The capacity of a centrifugal pump can be increased by the installation of a larger diameter impeller Another means of increasing the pump capacity is to （）.Aincrease speedBincrease the size of the cardent assemblyCreduce wearing ring clearancesDchange the pump to a close coupled arrangement
单选题
The capacity of a centrifugal pump can be increased by the installation of a larger diameter impeller Another means of increasing the pump capacity is to （）.
A
increase speed
B
increase the size of the cardent assembly
C
reduce wearing ring clearances
D
change the pump to a close coupled arrangement
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