Given the data below, design a section of sanitary sewer to carry these flows at a minimum velocity of 0.60 m/s (n = 0.013). Assume the minimum cover above the sewer pipe is 1.50 m. Sketch the sewer profile drawing. From MH A B C D E To MH B с D E F Pipe Data Distance between Manholes (m) 60 120 140 120 150 Flow (L/s) 75 90 110 160 200 ΜΗ A B с D E F Manhole Data Street elevations At manholes (m) 300 298 294 295 291 289

Question 2 For the water distribution system shown below, find: (a) The discharges in the loops (b) Pressure heads at point B, C, and D if the pressure head at point A is 80 m and A, B, C and E have the same elevations All pipes are 1 km long and 300 mm in diameter with roughness f-0.03, 90 L/s A E 1 km 300 mm B D C 60 L/s D

Quo Put a Circle around the CORRECT Answer 1- Given: *Length of Secondary open drain Lopen = 2400 (m). *Tile Drains Spacing, S = 80 (m). * Flow Rate of Secondary Open Drain, Qopen = 5580 (m³/d). (a) Qrile 200 (m³/s) (b)QTile = 300 (m³/s) (c) Qrile = 186 (m³/s) 2- Given: * Effective depth of the impermeable layer below Tile Drain level, *de = 12 (m). *Hydraulic conductivity of soil layer located above Tile Drains level, Ka = 6 (m/d). * Hydraulic conductivity of soil layer located below Tile Drains level, Kb = 0.5 (m/d). * Maximum height of W.T. above Tile Drains level at mid-distance Ho = 0.8 (m) *Drain Spacing S = 45 (m) Drainage Coefficient R. is: (a) 0.001 (m of water/d) (b) 0.015 (m of water/d) (c) 0.026(m of water/d) P-12 3- An agricultural farm is cultivated by mixed crops. There is no drainage system in farm. The available data are: *Leaching Requirements of the farm, LR = 37% *Depth of Irrigation Water, (dw)i = 0.081 (m of water/Irrigation) *Depth of drained water (dw) is: (a) 1…

Water flows through a one-inch diameter pipe at a velocity of 14.4 ft/s. The pipe divides into two 3/4-pipes. Find the flow rate in the two 3/4-inch pipes.