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Question

In a Lacey regime channel:
1. The bed load is zero
2. The suspended load is zero
3. The bed slope is a function of the full supply discharge and the silt size.
Which of the above statement is/ are correct?

A
1 and 2
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B
3 only
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C
2 and 3
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D
2 only
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Solution

The correct option is B 3 only
In Lacey's regime channel

f=1.76dmm

S=f5/33340Q1/6

f = silt factor, Q = discharge, d = silt size
Hence
The bed slope is a function of the full supply discharge and the silt size.

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