Purification Daily Question 0516

2019-05-16View Original

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Why must the outlet be completely closed before starting a centrifugal pump? ( ) A. According to the pump’s performance curve, the starting power is minimum when the flow rate is zero. B. It helps to protect the motor. C. Closing the outlet completely also prevents hydraulic shock in the outlet pipeline. ABC

Reply #22019-05-16

A According to the pump’s characteristic curve, the starting power is minimum when the flow rate is zero

Reply #32019-05-16

Why must the outlet (ABC) be completely closed before starting a centrifugal pump? A. According to the pump’s performance curve, the starting power is minimal when the flow rate is zero. B. It helps to protect the motor effectively. C. Closing the outlet completely also prevents hydraulic shock in the outlet pipeline

Reply #42019-05-16

A According to the pump’s characteristic curve, the starting power is minimum when the flow rate is zero

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Purification Daily Question 0516

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