Operating a rotary pump at speeds in excess of design requirements could cause（）.<br>A:decreased clearances between rotating parts<br>B:decreased slippage to the suction side of the pump<br>C:air binding in the discharge ports<br>D:erosion and excessive wear

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

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