In a barrage, the crest level is kept:

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  1. High with no gates
  2. High with large gates
  3. Low with large gates
  4. Low with no gates
  5. None of these

Answer (Detailed Solution Below)

Option 3 : Low with large gates
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Explanation:

Barrage: 

  • The Barrage provides the obstruction across the river required to raise up its water level and divert the water into the canal.
  • It aligned at right angles to the direction of flow in the river.
  • In case of barrage the crest is kept at low level and ponding up of river for diversion is accomplished primarily by means of gates.
  • These gates can be raised clear off the high flood level and thus enable the high flood to be passed with a minimum afflux.

F2 N.M Madhu 10.04.20 D3​.

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