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

Increasing the impeller speed and the volute area.

Increasing the number of vanes in the impeller.

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

Which of the following options will facilitate the achievement of a ve

1.	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» D. Either of (a), (b) or (c).

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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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