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Q: Temporary spurs are also called
  • A. barrages
  • B. weirs
  • C. bunds
  • D. canals
Correct Answer: Option C - • Temporary spurs or bunds are those which are temporary and are constructed every year after the floods. However, for important works, weirs or barrages are constructed since they are of permanent nature if properly designed. • The weir is a solid obstruction put across the river to raise water level and divert the water into the canal. If a weir also stores water for tiding over small periods of short supplies, it is called as 'storage weir'. • The function of barrage is similar to that of weir, but the heading up of water is affected by the gates alone. No solid obstruction is put across the river. The crest level in the barrage is kept at a low level.
C. • Temporary spurs or bunds are those which are temporary and are constructed every year after the floods. However, for important works, weirs or barrages are constructed since they are of permanent nature if properly designed. • The weir is a solid obstruction put across the river to raise water level and divert the water into the canal. If a weir also stores water for tiding over small periods of short supplies, it is called as 'storage weir'. • The function of barrage is similar to that of weir, but the heading up of water is affected by the gates alone. No solid obstruction is put across the river. The crest level in the barrage is kept at a low level.

Explanations:

• Temporary spurs or bunds are those which are temporary and are constructed every year after the floods. However, for important works, weirs or barrages are constructed since they are of permanent nature if properly designed. • The weir is a solid obstruction put across the river to raise water level and divert the water into the canal. If a weir also stores water for tiding over small periods of short supplies, it is called as 'storage weir'. • The function of barrage is similar to that of weir, but the heading up of water is affected by the gates alone. No solid obstruction is put across the river. The crest level in the barrage is kept at a low level.