Question: Water flows through a 4 -cm, wrought iron, horizontal pipeline from point A to point B. The pipeline is 50 meters long and contains a

Water flows through a 4 -cm, wrought iron, horizontal pipeline from point A to point B. The pipeline is 50 meters long and contains a fully open gate valve and two elbows (RID = 4). If the pressure at B (downstream) is 192 kPa and the flow rate is 0.006m3/s, what is the pressure at point A?

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