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Operating a rotary pump at speeds in excess of des...

海船船员考试

单选题

Operating a rotary pump at speeds in excess of design requirements could cause（）.

发布日期：2021-03-22

A.decreased clearances between rotating parts

B.decreased slippage to the suction side of the pump

C.air binding in the discharge ports

D.erosion and excessive wear

标签： operating rotary pump speeds excess

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