What is the size of the tile at an outlet of a 12 hectare drainage system, if th

Question

What is the size of the tile at an outlet of a 12 hectare drainage system, if the D.C is 2 cm and the tile grade is 0.5%. Assume the rugosity coefficient as 0.015 for the tile drain material.

Options:

A . 10 cm

B . 20 cm

C . 15 cm

D . 25 cm

Answer: Option B
Answer: (b).20 cm

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