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Can Please Help Me: Civil Engineering 60 minutes only the given time. Wish you could help me. I will give UPVOTE and GOOD FEEDBACK. //Question  Estimate the peak runoff rate from a 20-hectare drainage basin if rainfall depth for 6 hours reached 60 mm. Use typical runoff coefficient of 0.35. [Ans. 0.2cms] //Question

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Runoff data have been collected for a 4-hour storm over a 120 acre watershed as indicated in the table. If the total volume of water infiltrated during the storm was 3.0 Ac-ft and the Phi Index is 0.1 in/hr, sketch the rainfall hyetograph with EVERYTHING labeled appropriately. Also, report the depth and volume of precipitation (in inches and Ac-ft, respectively) for each 1-hour period.

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hydrology engineering circle the letter of the turn answer of the following questions

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You were involved in the design of a drain for an urban road. What were the limitations that you encounter when you applied Rational Method in the design for calculating runoff?

Question 4 The time of concentration of a 5.8ha catchment has been estimated as 33 minutes. Estimate the peak rate of runoff for a storm with an intensity of 49mm/hr and a duration of 22 minutes. Assume the coefficient of runoff as 0.61 and the time-area relationship to be linear. Present the result in the unit of m³/s and keep two decimal points (i.e to the accuracy of 0.01). Your Answer: Answer need it ASAP question 4

In a peak storm day the amount of precipitation occurred was 21 cm for a 3 hours continuously and the rate of percolation was 60 mm. Determine the surface runoff flow for storm?

Illustrate the Difference between event based rainfall runoff modelling and continuous rainfall runoff modelling?

For the relation between direct runoff and time? A- It starts and end with base flow. B- It starts before base flow and ends after. C- it It starts and end with direct runoff. D- It starts before base flow and ends with it. What is the correct answer??

02: Table below shows a rainfall data gathered from a storm occurred on a watershed area 2851 km² with direct runoff 856 m³/sec. Determine the W and index for this area and check the validity of your solution. Time (hrs) Rainfall 14.3 8.0 7.2 3.8 2.0 (mm) 1 2 3 4 5 6 7 8 1.3 1.0 0.0 9 0.8 10 11 12 13 0.0 13.9 17.2 2.0 14 15 0.9 1.5

Rational methodAnswer the following questions referring to the Intensity-Duration-Frequency curves and runoff coefficient data below: (a) What is the return period of a storm that recorded 2.0 inches/hour for 2 hours in Houston? (b) What amount of rain (in inches) would have to fall in a 6-hour period to be considered a 10-year storm in Houston? (c) What is the return period of a storm that lasts 2 hours and records 3.5 inches of rainfall?

The table below shows the observed rainfall intensity on a 2.26 km2 catchment area. Estimate the o index if the observed runoff is 282 097 m³. Time (hr) Rainfall (mm/hr) O to 2 35.6 2 to 5 58.4 5 to 7 27.9 7 to 10 17.8 10 to 12 7.6 O 25 mm/hr O 29 mm/hr O 27 mm/hr None of the choices O 23 mm/hr

6. Using the Manning nomograph determine the following: a. An 800 mm diameter sanitary sewer is built on a slope of 0.2 percent. What is the full-flow discharge capacity of the sewer and what is the flow velocity? b. What diameter pipe is needed to carry a peak flow of 200 liters/s on a grade of 0.007 ? The discharge for a 200 mm inside diameter common clay drainage tile running half full if it is laid on a slope that drops 1 m over a run of 1000 m. Assume n=0.01. C. D/2 Figure 4.

In a typical 3 hours storm producing 60 mm runoff from a basin and its flow ordinate are presented below estimate the peak flow and its time of occurrence in a flood created by 6 hours storms which produces 30 mm of the runoff during the first 3 hours and 45 mm runoff during the second 3 hours. plot the flow hydrograph

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hydrology engineering circle the letter of the turn answer of the following questions