Two reservoirs A and B have elevations of 250 m and 100 m, respectively. The two tanks are connected by a 250-mm diameter pipe, 250-m long, with a turbine placed along its length. If the flow of water in the pipe is 140 L/s and C = 120, then: Determine the power output of the turbine in kW if the efficiency of the turbine is 85%.

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Friction

Friction is defined as the force that prevents any solid surface, any layer of fluid, or any kind of element or material from sliding.