5. Use the pump curve given below. The curves can be extended if needed. a) What is the expected...

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5. Use the pump curve given below. The curves can be extended if needed. a) What is the expected discharge for a 10hp pump with a 10 inch impellor that is pumping against a total system head of 80 feet? b) Two pumps that are the same as in (a) are pumping in parallel. What is the total discharge if the total head that they are pumping against is 100 feet (this includes losses because of the manifold)? c) Two pumps that are the same as in (a) are pumping in series. What is the total discharge if the total head that they are pumping against is 100 feet?

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David · Accepted Answer

Solution (a):  Discharge is 260 m3/hr  (directly from the graph corresponding to given values).
(b): Since, two pumps are same thus for the condition of parallel combination discharge is equal to 
2*260=520 m3/hr.
(c): For series combination no net effect in discharge,

5. Use the pump curve given below. The curves can be extended if needed. a) What is the expected discharge for a 10hp pump with a 10 inch impellor that is pumping against a total system head of 80...

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