A centrifugal pump attempting to develop flow against a closed discharge valve has a/an （）. -题库考试答案搜索网

A centrifugal pump attempting to develop flow against a closed discharge valve has a/an （）.

单选题

2022-01-03 19:59

A、capacity of 0%
B、efficiency of 100%
C、internal slippage of 0%
D、shut off horsepower rating of 100%

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正确答案

A

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标签：船舶辅助机械

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