Question 3005 of 223 · California Water Treatment Operator Exam
A centrifugal pump is operated with its discharge valve closed for a long time. What is the most likely result?
Exactly one answer is correct.
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Correct answer to question 3005
- D: Heating of the water in the pump and damage to the seals and casing
Explanation
At shutoff head the energy goes into heat instead of flow. The pump can overheat and be damaged in minutes.
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