You are required to pump at a rate of 0.12m3/s against a total head of 12m. The only pump available when tested at 400rpm gave the following results Q 0 0.01 0.02 0.04 0.06 0.08 0.1 H 10 12 13 11 8 4.5 2 Efficiency 40 60 80 84 80 60 At what speed should the pump be driven and what input power is required?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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You are required to pump at a rate of 0.12m3/s against a total head of 12m. The only pump available when tested at 400rpm gave the following results

Q 0 0.01 0.02 0.04 0.06 0.08 0.1
H 10 12 13 11 8 4.5 2
Efficiency    40 60 80 84 80 60

At what speed should the pump be driven and what input power is required?

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