If conveyance efficiency is 80% how much is the amount lost if 10 liters/second is available at the source?
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If conveyance efficiency is 80% how much is the amount lost if 10
liters/second is available at the source?
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- What diameter would a circular clarifier have to be to remove 50 μm particles with 75% efficiency from a 4 MGD (million gallon per day) flow? Assume the particle specific gravity is 1.5 and the temperature is 10°C. Answer: 18 mList down the materials required in the installation of a waste pipe in the figure as shown using (a) 100 mm. diameter by 3.0 m. long cast iron pipe and (b) 100 mm. diameter by 6.0 m. long double pipe. The face to face distance is 22.25m.A tracer takes 100 days to travel from Well-1 to Well-2 which are 100 m apart. The elevation of water surface in Well-2 is 3m below that in Well-1. Assuming porosity equal to 15%, the coefficient of permeability (expressed in m/day) is DE SE-IH DU BOR JEANS= BOSE VESELS ===== S LEDE MED
- 70,000 litres of water per day, if the water contains the following impurities: Example 9.33. Calculate the annual cost of slaked lime and soda for treating 100 ррт Mg(HCO), CaSO, MgSO4 SiO, CaCO3 = 280 ppm NaCl %3D 35 ррт 110 ррт %3D = 80 ppm MgCl, = 138 ppm Fe,0, = 55 ppm Purity of slaked lime is 85% and that of soda is 100%. Slaked lime costs 780 per quintal and soda for 400 per quintal. [Atomic weights in gm : Ca = 40, Mg = 24, S = 32, Cl = 35.5, C = 12, 0 = 16, Na = 23, Fe = 56, and Si = 28]. %3D : 40 ррт. %3D %3D1. A certain material having a specific gravity of 3.52 in a 250 mL beaker was found to have weigh 484 g. What is the porosity of the material? a. 0.68 b. 0.38 c. 0.45 d. 0.29 2. The width of an apron conveyer with a capacity of 75 tons/hr and speed of 50 A. 220 mm B. 370 mm C. 070 mm D. 460 mm 3. The diffusivity of water in air at 10 deg. F and 1 atm in cm2/sec is A. 0.256 B. 0.273 C. 0.404 D. 0.581A certain liquid flows in a 10 mm diameter smooth pipe that is 20 m long. The total head lost in the pipe is 30 m and the Reynolds number is 1,800. What is the value of the discharge?
- Mohr's circle is shown for a point in a physical object that is subjected to plane stress. Each grid square is 520 psi in size. (a) Determine the stresses Ox, Oy, and the magnitude of Txy and show them on a stress element. (b) Determine the principal stresses and the magnitude of the maximum in-plane shear stress acting at the point and show these stresses on an appropriate sketch (e.g., see Figure 12.15 or Figure 12.16). X Ø C y bGlycerin flows at 35 m through a 150 mm diameter new wrought iron pipe at a velocity of 3 m/s. It has an absolute viscosity of 1.50 Pa-s and a specific gravity of glycerin = 1.26. 2. What is the type of flow?please show ocmplete solution and figures and sketches
- What is turbidity, what causes it, how is it treated why it is undesirable in drinking water. Describe processes in water treatment? Calculate the velocity gradient in a rapid mixer (coagulation), where the power input to the propeller is 0.5 kW, the plant provides water for 13000 people with average consumption of 130 L/person/day, retention time in rapid mixer is 23 s and water temperature is 20 oC. The dynamic viscosity at 20oC is 1x10-3 Pa/s. Debate the G value and if out of the range what steps to take bring G in the correct rangeIn a 12cm diameter pipe, the major losses are equal to 5.0v²/2g. Find The equivalent length of pipe to account for the major losses for f = 0.04.A sewage sludge is to be transported a distance of 3 mi through a 12in ID pipeline at a rate of 2000 GPM. The sludge behaves as a Bingham Plastic with a yield stress of 35 dyne/cm2, limiting viscosity of 80 cP, and a specific gravity of 1.2. What size motor (hp) is required to drive the pump if it is 60% efficient?