1. Water at the rate of 118 ft3/min
flows through a smooth horizontal tube 250 ft long. The pressure drop is 4.55
psi. Determine the tube diameter.
2. Calculate the inlet pressure to a pump 3
ft above the level of a sump. The pipe is 6 in. in diameter, 6 ft long, and
made of commercial steel. The flow rate through the pump is 500 gal/min. Use
the (incorrect) assumption that the flow is fully developed.
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