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An elevated tank containing oil (s.g.=0.888, *=9 x 10^-4 m^2/s) drains through a flow line that splits two other lines (see figure). Each line provides oil to bearings of a rotating shaft within a machine; the bearings must be lubricated continuously. Downstream of the bearings, the flow lines join together and lead to a second tank. The flow lines are made of A????1 standard type M drawn-copper tubing, with regular fittings, all soldered together. Both bearings have a loss coefficient of 10. The flow line on the left (from A to B) is 30 ft long and, due to the presence of various machine components, takes the path shown. The line on the right (A to B) is only 15 ft long, and the distance z is 12 ft. The valves are both gate valves. Determine the flow rate of oil delivered to each bearing. Take the distance from the upper tank to A to be 1 ft and from B to the lower tank to be 10 in.
Show transcribed image text An elevated tank containing oil (s.g.=0.888, *=9 x 10^-4 m^2/s) drains through a flow line that splits two other lines (see figure). Each line provides oil to bearings of a rotating shaft within a machine; the bearings must be lubricated continuously. Downstream of the bearings, the flow lines join together and lead to a second tank. The flow lines are made of A???½ standard type M drawn-copper tubing, with regular fittings, all soldered together. Both bearings have a loss coefficient of 10. The flow line on the left (from A to B) is 30 ft long and, due to the presence of various machine components, takes the path shown. The line on the right (A to B) is only 15 ft long, and the distance z is 12 ft. The valves are both gate valves. Determine the flow rate of oil delivered to each bearing. Take the distance from the upper tank to A to be 1 ft and from B to the lower tank to be 10 in.
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