Question

Which of the following options will facilitate the achievement of a very high head (say 30 metres) in case of a centrifugal pump?

a.

Increasing the impeller speed and the volute area.

b.

Increasing the number of vanes in the impeller.

c.

Mounting of two or more impellers in series on a single shaft.

d.

Either of (a), (b) or (c).

Answer: (c).Mounting of two or more impellers in series on a single shaft.

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Q. Which of the following options will facilitate the achievement of a very high head (say 30 metres) in case of a centrifugal pump?

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