1- Discuss the effect of both recession and advance curves on the inigation uniformity in surfaceirrigation system.2- Do you favorite that advance curve and recession curve are in parallel? Explain your answer.3- An irrigation run has a 180 m length. If the advance time for the 1st 60 m of the Inigation run is 22minutes, and for the 2nd 60 m is 40 minutes, find the time required to cover the 3rd 60 of the irrigationrun.4-for the same problem above, if the infiltration depth equation is:D=8r. Find: A- the depth at the beginning of that imigation run at the time that just reaching thewater to the run end, (180 m)Write the advantages and disadvantages of surface irrigation.Discuss the evaluation factors of irrigation, and explain why the moderate imigation systems likesprinkler irrigation and trickle irrigation is important to improve irrigation management.

1) The advance curve represents the movement of water down the field as it flows from the inlet to…

Answered: 1- Discuss the effect of both recession…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A rapid-mixing basin for coagulation is to be designed for a water treatment plant. The design flow rate for the basin is 3800 m³/d. The basin will be cylindrical with four vertical baffles and a side water depth equal to the diameter. The velocity gradient and detention time will be 1000 s' and 5 s, respectively. Assume the water temperature is 10°C. 2. (a) Calculate the basin dimensions in increments of 0.01 m. (b) A radial turbine impeller with a power number of 5.7 will be used to provide mixing, and the following impeller diameters are available (in m): 0.3, 0.4, 0.6. Determine the impeller diameter to be used, the required rotational speed of the impeller (rpm), and the motor power needed (in W) to turn the impeller.
5.5 Please show complete solution.
5.30 A line source of strength 15x m/s is situated within a uniform stream flowing at -12 m/s (i.e. right to left). At a distance of 0.6 m downstream from the source is an equal sink. How far will the stagnation points be from the nearest source/ sink? (a) 0.38 m (b) 0.46 m (c) 0.52 m (d) 0.58 m
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The length of a parking lot is L = 100 m, and it is sloped at So = 0.02. The surface of the lot is bare clay with a Manning roughness factor of n = 0.020. A rainstorm produces a constant rainfall excess at the rate of ?0 = 25 mm/hr. If td = 25 minutes: Determine the runoff hydrograph at the downstream end of the parking lot. Based on your answers in Step 1, draw your estimated hydrograph. ***Convert i0 to mJs. This conversion is not given and I cannot find it.
Water is flowing at a steady rate through a homogeneous and saturated horizontal soil strip of 10 m length. The strip is being subjected to a constant water head of 5m at the beginning and 1m at the end. If the governing equation of flow in the soil is d²H/dx2 = 0 (x = distance along the soil strip) value of H (in m) at the middle of the strip is
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Determine the smallest base length b of the concrete gravity dam that will prevent the damfrom overturning due to water pressure acting on the face of the dam. The relative density ofconcrete is 2.4.Hint: Work the problem using a 1-m width of dam. Perform this exercise with two differentassumptions:a. Assume no water seepage under the base of the damb. Assume water also seeps under the base of the dam
Find the required,.

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