+1 vote
in Irrigation Engineering by (75.2k points)
In which type of weir energy dissipation takes place?

(a) Barrage

(b) Vertical Drop Weir

(c) Sloping Weir

(d) Parabolic Weir

I got this question during an interview.

Question is taken from Diversion Head Works in division Diversion Head Works, Hydraulic Jump Usefulness in Irrigation Structure of Irrigation Engineering

1 Answer

0 votes
by (106k points)
Right option is (d) Parabolic Weir

To elaborate: This weir is similar to the spillway section of a dam. The body of this weir is kept as a low dam. A cistern is provided at the downstream side for energy dissipation of the falling waters from upstream to the downstream side.

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