The assistant engineer reports an installed centrifugal pump has a history of running higher than normal amperage since new construction. Capacity and discharge head for the pump are more than adequate. All other system parameters are normal. The best way to reduce the pump load is to do which of the following?
Official USCG Answer & Rule Citation
Correct Answer: Option B — By reducing the impeller diameter.
Under USCG National Maritime Center examination standards, the accepted correct answer is: By reducing the impeller diameter..
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