Question 3001 of 223 · California Water Treatment Operator Exam
A centrifugal pump that runs but delivers little or no water immediately after being started has most likely lost its
Exactly one answer is correct.
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Correct answer to question 3001
- A: prime
Explanation
A centrifugal pump cannot move water if the casing is filled with air. Priming the pump or using a flooded suction fixes it.
More questions: Operation and Maintenance
- 3002What is cavitation in a pump?
- 3003Which pump type moves water by trapping fixed volumes and is often used for chemical metering?
- 3004Why should a positive displacement pump never be started against a closed discharge valve?
- 3005A centrifugal pump is operated with its discharge valve closed for a long time. What is the most likely result?
- 3006What is the main purpose of the packing gland on a pump with packed stuffing box?
- 3007A mechanical seal is used on a pump shaft instead of packing because it