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1. |
According to Kennedy, the critical velocity (V‚ÇÄ) in meters in a channel is the mean velocity which keeps the channel free from silting or scouring. Its value is given by (where m is critical velocity ratio and D is the depth of the channel).%! |
A. | V‚ÇÄ = 0.84 mD0.64 |
B. | V‚ÇÄ = 0.55 mD0.64 |
C. | V‚ÇÄ = 0.84 mD0.54 |
D. | V‚ÇÄ = 0.55 mD0.54 |
Answer» C. V‚Äö√á√Ñ = 0.84 mD0.54 | |