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Concept/Approach In a broad-crested weir the crest width is sufficiently large so that the flow over the crest becomes nearly parallel; this requires crest width greater than about half the upstream head over the crest. Final Answermore than

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Definition of a broad-crested weir A weir is termed broad-crested when the width of its crest is ____ half of the head (water depth) over the crest. Choose the correct completion.

Difficulty: Easy

equal to
less than
more than

Correct Answer: more than

Explanation:

Concept/Approach

In a broad-crested weir the crest width is sufficiently large so that the flow over the crest becomes nearly parallel; this requires crest width greater than about half the upstream head over the crest.

Final Answermore than

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