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In Lacey’s Regime diagrams, what does the term critical velocity refer to?

30. In Lacey’s Regime diagrams, what does the term critical velocity refer to?

1. Velocity of water above which erosion occurs
2. Velocity of water below which sedimentation occurs
3. Velocity of water at maximum discharge
4. Velocity of water for minimum erosion potential

Answer

The correct answer is: A) Velocity of water above which erosion occurs

Explanation

Lacey’s Regime diagrams help in determining the critical velocity required to prevent erosion in open channels.