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Exam
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Multi-stage centrifugal pumps are used to
A. give high discharge
B. produce high heads
C. pump viscous fluids
D. all of these
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Gate Other Question
The efficiency of a centrifugal pump will be maximum when the blades are bent backward.
A. Yes
B. No
The specific speed of a centrifugal pump, delivering 750 litres of water per second against a head of 15 metres at 725 r.p.m., is
A. 24.8 r.p.m.
B. 48.2 r.p.m
C. 82.4 r.p.m.
D. 248 r.p.m