- 2 At 20 C Water Viscosity U 1 15 X 10 N S M Density P 1 000 Kg M Flows At A Rate Of 7 2 M Hr From An Upper 1 (86.09 KiB) Viewed 24 times
(2). At 20 °C, water (viscosity u= 1.15 x 10-² N-s/m², density p=1,000 kg/m?) flows at a rate of 7.2 m®/hr from an upper
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(2). At 20 °C, water (viscosity u= 1.15 x 10-² N-s/m², density p=1,000 kg/m?) flows at a rate of 7.2 m®/hr from an upper
(2). At 20 °C, water (viscosity u= 1.15 x 10-² N-s/m², density p=1,000 kg/m?) flows at a rate of 7.2 m®/hr from an upper reservoir (through a sharp entrance) to a lower one through a cast-iron pipe (surface roughness E=0.26 mm) of length 20 meters. The pipe contains 6 threaded elbows (K1 = 1.5 for each elbow). The pipe discharges below the = water surface in the lower reservoir, and the elevation difference between the free surfaces is 2m. Determine the required pipe diameter. [Ans. 45mm or standard size: 50mm]
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