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Question
Given to design the irrigation channel to carry 80 cumecs of discharge. The channel slope is 1 in 3000. The critical velocity ratio is 1.3. Take rugosity coefficient as 0.021.
Options:
A .  Depth = 3 m, Base width = 15 m
B .  Depth = 3.5 m, Base width = 15.5 m
C .  Depth = 3.3 m, Base width = 15.2 m
D .  Depth = 3.2 m, Base width = 15.1 m
Answer: Option D
Answer: (d).Depth = 3.2 m, Base width = 15.1 m

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