The power transmitted through a pipe is (where w = Specific weight in N/m3 and Q = Discharge in m3/s)
A. $${\text{w}} \times {\text{Q}} \times {\text{H}}$$
B. $${\text{w}} \times {\text{Q}} \times {{\text{h}}_{\text{f}}}$$
C. $${\text{w}} \times {\text{Q}}\left( {{\text{H}} - {{\text{h}}_{\text{f}}}} \right)$$
D. $${\text{w}} \times {\text{Q}}\left( {{\text{H}} + {{\text{h}}_{\text{f}}}} \right)$$
Answer: Option C

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