A triangular channel with side slope 3H:1V, n=0.012, is to carry a flow rate 10 m3/s find the critical depth choices: 1.178 7.811 1.781 7.118 A triangular channel with side slope 3H:1V, n=0.012 is to carry a flow rate 10 m3/s Find the critical slope Choices: 0.181 0.811 0.0118 0.00181 NOTE: this ia not a graded questions please help us in this question so that we understand how to solve this and please base your answer on the given choices thank you in advance

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Highway Drainage

Highway drainage is the process of extracting and regulating the excess surface water on the pavement by giving the desired slope. The construction of a highway drain helps to divert the water present on the surface, and sub-grade by the means of slope. Highway drainage systems are a necessary part of smooth functioning of traffic, since the highway drainage systems provide proper disposal of unwanted substances from the highways.