A pump is said to have "negative suction head" when the pump is located （）.<br>A:between the suction and discharge<br>B:below the liquid supply<br>C:above the liquid supply<br>D:any of the above

A pump is said to have "negative suction head" when the pump is located （）.
A:between the suction and discharge
B:below the liquid supply
C:above the liquid supply
D:any of the above

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