Water flows from the pressure tank A to the tank B thro

Water flows from the pressure tank A to the tank B through the valve with a coefficient of resistance ζvent = 3 through the pipe. Diameters d1 = 40mm, d2 = 60mm. Considering the flow regime to be turbulent and neglecting friction losses along the length, determine the flow rate. Take into account pressure loss on sudden contractions and extensions. The heights are H1 = 1m and H2 = 2m; overpressure in the pressure tank p0 = 0.15MPa.
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