Multiple choice

Water at 25°C is flowing through a 1.0 km long G.I pipe of 200 mm diameter at the rate of 0.07 m3/s. If value of Darcy friction factor for this pipe is 0.02 and density of water is 1000 kg/m3, the pumping power (in kW) required to maintain the flow is

  1. 1.8

  2. 17.4

  3. 20.5

  4. 41.0

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A Correct answer
Explanation