A、capacity of 0%
B、efficiency of 100%
C、internal slippage of 0%
D、shut off horsepower rating of 100%
更多“A centrifugal pump attempting to develop flow against a closed discharge valve has a/an （）.”相关的问题
A、centrifugal pump is cheaper than reciprocating pump B、the size of centrifugal pump with same capacity is smaller than that of reciprocating pump C、centrifugal pump makes maintenance easier than reciprocating pump does D、all of the above
A、reciprocating pumps B、positive displacement pumps C、centrifugal pumps D、centripetal pumps
A、reciprocating pumps B、positive displacement pumps C、centrifugal pumps D、centripetal pumps
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