Standard stilling basin is provided at the toe of a dam spillway for energy diss

Question

Standard stilling basin is provided at the toe of a dam spillway for energy dissipation is usually provided with auxiliary devices like chute blocks and dentated sills for the basic purpose of reducing the length of the stilling basin from about ________________

Options:

A . 6 y₂ to 4 y₂

B . 4 y₂ to 2 y₂

C . 6 y₂ to 2 y₂

D . 3 y₂ to y₂

Answer: Option A
Answer: (a).6 y₂ to 4 y₂

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