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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A
A. Increasing the impeller speed and the volute area
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B
B. Increasing the number of vanes in the impeller
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C
C. Mounting of two or more impellers in series on a single shaft
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D
D. Either of a., b. or c.
Correct Answer:
C. C. Mounting of two or more impellers in series on a single shaft
