what is the difference between weir and a barrage

Answer Posted / bharti sharma

if the major part or the entire ponding of water is achieved
by a raised crest and a smaller part or nil part of it is
achieved by a shutters,then this barrier is known as a weir.

if most of the ponding is done by gates and a smaller or nil
part of it is done by the raised crest,then the barrier is
known as a barrage.

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