Some Highly Efficient Turbines Can Be Submerged Directly in a River

question 35

Multiple Choice

Some highly efficient turbines can be submerged directly in a river and require only _______ to operate.

• A) Run-of-the-river flow
• B) Low-head dams
• C) A low, natural waterfall
• D) A slow trickle of water
• E) A high, natural waterfall

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Definitions:

Intersection

A point at which two or more roads cross or intersect, or the act of intersecting.

Brakes

Mechanical devices or systems in vehicles designed to decrease or stop their motion by applying resistance.

Hypothetical Question

A question based on assumed or imagined circumstances, often used in legal contexts to explore possibilities or test theories.

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