Allied & ICAR Exam Bank • ALLIED_0361 MCQ • 1 Mark

Section 4: Soil and Water Conservation Engineering

Fluid Mechanics in SWCE

Subtopic: Fluid Mechanics in SWCE

Question Statement:

A Cipolletti weir is a trapezoidal weir whose side slopes are designed as:

Options:

  • (A) 1 horizontal to 4 vertical ($1:4$)
  • (B) 1 horizontal to 1 vertical ($1:1$)
  • (C) 4 horizontal to 1 vertical ($4:1$)
  • (D) 1 horizontal to 2 vertical ($1:2$)

Answer Key:

A

Step-by-Step Solution & Explanation

The Cipolletti weir has side slope of $1:4$ (horizontal to vertical) so that the additional discharge through triangular wings exactly compensates for the reduction due to end contractions.
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