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What is the primary factor influencing uplift pressure on the underside of a barrel roof in a culvert?

55. What is the primary factor influencing uplift pressure on the underside of a barrel roof in a culvert?

1. Barrel length
2. Soil type
3. Barrel diameter
4. Flow velocity

Answer

The correct answer is: D) Flow velocity

Explanation

Uplift pressure is directly related to the flow velocity of water passing through.