Q
QuestionEngineering

Which of the following is a characteristic of low-head dams? A. They only pose a hazard above the dam. B. They only pose a hazard below the dam. C. They pose a hazard below and above the dam.
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: Understanding Low-Head Dams

Low-head dams are low-profile water control structures that span the width of a river or stream. They are typically used for water management, irrigation, or hydropower, but they are known for creating dangerous hydraulic conditions.

Final Answer

They pose a hazard below and above the dam. This is because the hydraulic conditions created by low-head dams generate dangerous water currents that can trap individuals both upstream and downstream of the structure.