24. Which possible reason will not make centrifugal pumps to failure to deliver water?
(A) The motor may be sufficient speed
(B) Discharge head is too high
(C) Air leak in the suction line, or broken or plugged up impeller
(D) Direction of rotation of the impeller is wrong
詳解 (共 1 筆)
未解鎖
哪種可能的原因不會使離心泵無法輸送水？（...
阿摩線上測驗
登入
