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Question

According to Kennedy, the critical velocity (V0) in
metres 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).


Options:
A .  `V_0 = 0.84 mD^0.64`
B .  `0.55 mD^0.64`
C .  `V = 0.84 mD^0.54`
D .  `0.55 mD^0.54`
Answer: Option B



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