A pipeline is being designed to pump 0.5 m3 /s of water at 25°C through a concrete pipe. The  headloss in a 120 m length of pipe should not exceed 10 m. Determine the size of the pipe using: a) Darcy-Weisbach b) Hazen-Williams (C = 120)

A hydraulic pipeline 3 km long and 50 cm in diameter is used to convey water with a velocity of 1.5 m/s. The pressure rise if the valve provided at the outflow end is closed in 20 seconds is kPa. Consider pipe to be rigid and take bulk modulus of pipe material as, k = 20 x 108 N/m². (round off to nearest integer)

Q2: A is 4500 m length-gas flow line, and B is 2000 m length-liquid flow line (0.1 m diameter) both are connected with left side of 2500 m in length C-pipeline (0.15 m). If the pressure at A-pipeline inlet = 2400 kPa, pressure at C-pipeline out let = 2000 kPa, liquid flow rate = 0.009 m³/s, Gas Oil Ratio = 40 m³/m², PL 680 kg/m³, p=0.922 kg/m³, gas flowing temperature-300 K, base temperature-288 K, base pressure 101.3 kPa, Z-0.9, gas gravity 9.4x10-3 Pa.s, calculate the 0.6, gas viscosity-0.015x10³ Pa.s, and liquid viscosity diameter of gas pipeline and inlet pressure of liquid pipeline? Assume all pipes are flat and horizontal. =

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