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chemical engineering fluid mechanics
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): Either of (a), (b) or (c).
(B): Increasing the impeller speed and the volute area.
(C): Increasing the number of vanes in the impeller.
(D): Mounting of two or more impellers in series on a single shaft.
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