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A Cippoletti notch is a trapezoidal notch having inclination of sloping sides as
  • a)
    1 horizontal to 4 vertical
  • b)
    1 horizontal to 2 vertical
  • c)
    1 horizontal to 3 vertical
  • d)
    1 horizontal to 1 vertical
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A Cippoletti notch is a trapezoidal notch having inclination of slopin...
Explanation:

Cippoletti Notch:
- A Cippoletti notch is a type of trapezoidal notch used for measuring flow rates in open channels.
- It consists of a trapezoidal-shaped opening in a weir or flume through which water flows.

Inclination of Sloping Sides:
- The inclination of the sloping sides of a Cippoletti notch is typically set at a ratio of 1 horizontal to 4 vertical.
- This means that for every 1 unit of horizontal distance, there are 4 units of vertical distance.

Correct Answer:
- The correct answer is option 'A', which states that the inclination of the sloping sides is 1 horizontal to 4 vertical.

Reasoning:
- This specific inclination ratio is chosen to ensure accurate and consistent flow measurement in open channels.
- The trapezoidal shape and the specific dimensions of the Cippoletti notch help in minimizing errors in flow rate calculations.
Therefore, option 'A' is the correct choice as it represents the standard inclination ratio for the sloping sides of a Cippoletti notch.
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Community Answer
A Cippoletti notch is a trapezoidal notch having inclination of slopin...
A weir which the water level on the downstream side of a weir is above the crest of the weir is called a Submerged weir or Drowned weir.
  • The Cippoletti weir is a trapezoidal weir, having side slopes 1 horizontal to 4 vertical.
  • The purpose of the slope, on the sides, is to obtain an increased discharge through the triangular portions of the weir, which otherwise would have been decreased due to end contractions in the case of rectangular weirs.
  • A type of contracted weir that is related to the rectangular sharp-crested weir is the Cippoletti weir, which has a trapezoidal cross-section with side slopes 1: 4 (H: V).

Discharge for a triangular weir is

Discharge over a rectangular weir is

Where,
Q = Discharge, Cd = co-efficient of discharge, H = Head above the bottom of notch, and θ = enclosed angle
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A Cippoletti notch is a trapezoidal notch having inclination of sloping sides asa)1 horizontal to 4 verticalb)1 horizontal to 2 verticalc)1 horizontal to 3 verticald)1 horizontal to 1 verticalCorrect answer is option 'A'. Can you explain this answer?
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