In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Options: A . &nbspDesigning new impeller B . &nbspTrimming the impeller size to the required size by machining C . &nbspNot possible D . &nbspSome other alterations in the impeller

In a single casing, multistage pump running at constant speed, the capacity rati

Question

In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by

Options:

A . Designing new impeller

B . Trimming the impeller size to the required size by machining

C . Not possible

D . Some other alterations in the impeller

Answer: Option B

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