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 × 108 N/m². (round off to nearest integer)

A certain part of cast iron piping of a water distribution system involves a parallel section. Both parallel pipes have a diameter of 30 cm, and the flow is fully turbulent. One of the branches (pipe A) is 1500 m long while the other branch (pipe B) is 2500 m long. If the flow rate through pipe A is 0.4 m/s, determine the flow rate through pipe B. Assume the flow is fully rough, thus the friction factor is independent of Reynolds number. I 0.4 m/s 30 cm 1500 m A В 30 cm 2500 m

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B. Shear stress.

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Problem 2: Comparing Three Equations for Head Loss Compare three equations for friction head loss in pipes, assuming constant friction factors. Recall the slope of the energy grade line (EGL) is S = he/L. Part A i. Write the Darcy-Weisbach equation for friction head loss, ht=... ii. For iron pipes, what is a typical, midrange value for the friction coefficient, λ? iii. For constant 2, if the discharge is doubled, by what factor does the head loss increase? Part B i. Write the Hazen-Williams equation for friction head loss, ht=... ii. For iron pipes, what is a typical, midrange value for the friction coefficient, CHW? iii. For constant Chw, if the discharge is doubled, by what factor does the head loss increase? Part C i. Write the Manning equation for friction head loss, ht=... ii. For iron pipes, what is a typical, midrange value for Manning's n, with units? iii. For constant n, if the discharge is doubled, by what factor does the head loss increase?

please solve in SI units

A pipe has an outer diameter of 26 mm and an inner diameter of 19 mm. What is the polar moment of inertia "J" for the shaft in mm^4? Type your answer...