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.

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