Question

Crude oil with a specific gravity of 0.93 and a viscosity of 4 cP is draining by gravity from the bottom of a tank. The depth of the liquid above the draw-off connection in the tank is 6m. The line from the draw-off is 3” schedule 40 pipe. Its length is 45 m and it contains one ell and 2 gate valves. The oil discharges into the atmosphere 9m below the draw-off connection of the tank. What flow rate in m³/hr. can be expected through the line?

Answer 1