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Irrigation - Engineering

Q1:

The Lacey's regime velocity is proportional to

A R1/2 S3/4

B Q3/4 S1/3

C R3/4 S1/3

D R2/3 S1/2

ANS:C - R3/4 S1/3

There are 2 equations:

Lacey's regime velocity: v = 10.8 R^2/3 S^1/2.
Lacey's non-regime velocity: v = 1/Na R^3/4 S^1/2.
So, the answer should be D.