Water at 250 C is flowing through a 1.0 km long G.I. pipe of 200 mm diameter at the rate of 0.07 m^3/s. If the value of Darcy friction factor for this pipe is 0.02 and the density of water is 1000 kg/m^3, the pumping power (in kW) required to maintain the flow is _______ A. 1.8 B. 17.4 C. 20.5 D. 41.0
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