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Provide an estimate of the interior diameter and the velocity of flow in a new zinc-coated (galvanized) steel pipe used to transport water.
1. Provide an estimate of the interior diameter and the velocity of flow in a new zinc-coated (galvanized) steel pipe used to transport water. It is estimated that the head loss due to friction in the pipe is 0.40%. The measured pressurized flow rate in the pipe is 450 l/s. Note that the roughness coefficient k is 0.03. Show the work on the chart.
2. For the system shown in the Figure shown below (b): • Sketch the flow direction • What kind of machine is at A • Sketch the EGL for the system.
3. A tank is empty by pumping its water to an average height of 3.5m in 2.0 hrs. The tank dimensions are 12mx25mx2.4m. The efficiency of the pump used is 85%. Calculate: (1) the necessary power to empty a tank (2) the electric power that the electric motor is required to pull from the power source.
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