12 A hydraulic structure is sized for a 50 year recurrence interval design discharge. What is the risk that the flow capacity will be exceeded during any future 20 year period? What is the probability that the 50 year recurrence interval peak flow rate will be exceeded in the next 50 years?

Q: Is it possible to reduce the BOD of the effluent to maintain the DO above 7.0 mg/L at all downstream…

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Q: A stilling basin is 5 m wide and is used to confine the flow over a spillway (Figure 1). To retard…

A: Given Data : Inlet area b1=1.2 mh1=5 m Outlet area b2=2.5 mh2=5 m Discharge (Q)= 84 m3/s

Q: Neglect the weight of the drum in the following problem. A sealed cylindrical drum has a diameter of…

A: The volume, mass and density is corelated with one another,  V=MD here, volume is V, mass is M and…

Q: HURREVAC is the model run by NHC to estimate storm surge potential. True False

A: HURREVAC is a hurricane decision support tool developed by the National Hurricane Program to help…

Q: 3) reservoir elevation 71.98m. How much of a reduction in flow was there when the elevation in the…

A: Answer  (3) We know that discharge equation for an orifice is given by Q = Cd*A*2gh where Cd is…

Q: A discharge equal to or greater than 20,000 m3/s has a 75 percent chance of occurring during a…

A: Given data: A discharge equal to or greater than 20,000 m3/s has a 75 percent chance of occurring…

Q: Q5. What is the minimum clearance required by OSHA regulations between a crane and a 150-kV power…

A: The Occupational Safety and Health Administration(OSHA)-The Occupational Safety and Health…

Q: (4) The cross-section of a road and gutter are shown below. The slope of the gutter and roadway is…

A: Given  Depth 10 inch  Width 50 inch  Triangular section  Manning's formula  Assume n = 0.014

Q: downstream direction), and the curb is 10" tall. Assume uniform flow. 1 What is the maximum flow…

A: Using manning formula Width 50 ft Depth 10 ft  Triangular section  Slope 1/400

Q: Problem 1: Design an equalization basin for the following cyclic flow pattern. Provide 10 percent…

A: Solution Time (hr) Flow (m3/s) BOD5 (mg/L) Volume in(m3) Volume out(m3) Accumulation in the…

Q: A circular culvert under a highway is 6 ft in diameter and is made of corrugated metal. It drops 1…

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Q: Due to very tight space constraints and specific material requirements, an engineer has designed a…

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Q: What effect do such losses have on your initial analysis of full-flow discharge?  What other loss…

A: Given, L = 3.34 km or 3340 m  D = 1000 mm or 1 m Q = 0.99 m3/s

Q: 8.67 A 1/25 scale model of a spillway is tested. The discharge in the model is 0.1 m³/s. To what…

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Q: a concrete sewer pipe 2.5ft in diameter is laid so it has a drop elevation of 1.0 ft per 800 ft in…

A: Given data:- The given diameter of the pipe is, d=2.5 ft the given drop elevation is 1.0 feet to 800…

Q: Reservoir I WSI Figure P4.3.2 Reservoir 3 Pipe 1 WS2 = 1,580 m WS3 = 1,550 m WS3 VH₁ J Pipe 3 Pipe 2…

A:

Concepts of Flood Control

Flooding is a temporary overflow of water that submerges or covers the the usually dry land. It can also be defined as the overflow of the excess amount of water that covers a huge area of land which is normally dry.