Required Pump Head Between Reservoirs
Easypumpsenergy equation
A pump moves water between two large reservoirs open to the atmosphere. The static elevation rise is 20 m and total pipe losses are 5 m. What pump head is required?
- A15 m
- B20 m
- C25 m
- D100 m
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Answer: C. 25 m
Reservoir surface velocities are negligible and atmospheric pressure cancels. Required pump head = elevation rise + losses = 20 + 5 = 25 m.
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