Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and o = Overall efficiency of the pump)

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Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and  o = Overall efficiency of the pump)

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1.	Power required (in watts) to drive a centrifugal pump is (where H_m = Manometric head in metres, w = Specific weight in N/m³, Q = Discharge of the pump in m³/s, and _o = Overall efficiency of the pump)
A.	<img src="/_files/images/mechanical-engineering/hydraulic-machines/200-113-1.png">
B.	<img src="/_files/images/mechanical-engineering/hydraulic-machines/200-113-2.png">
C.	<img src="/_files/images/mechanical-engineering/hydraulic-machines/200-113-3.png">
D.	<img src="/_files/images/mechanical-engineering/hydraulic-machines/200-113-4.png">
Answer» C. <img src="/_files/images/mechanical-engineering/hydraulic-machines/200-113-3.png">

Power required (in watts) to drive a centrifugal pump is (where H_m = Manometric head in metres, w = Specific weight in N/m³, Q = Discharge of the pump in m³/s, and _o = Overall efficiency of the pump)

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