Q#2: A rectangular notch is 1m wide. Water flows over this notch to a depth of 150mm. Then the same quantity of water passes through a triangular notch. What will be the height of water in the triangular notch?  Take Cd for rectangular notch as 0.62 , Cd for triangular notch as 0.59 and Ɵ as 90°.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Q#2: A rectangular notch is 1m wide. Water flows over this notch to a depth of 150mm. Then the same quantity of water passes through a triangular notch. What will be the height of water in the triangular notch?  Take Cd for rectangular notch as 0.62 , Cd for triangular notch as 0.59 and Ɵ as 90°.



Q#3 : Water flows over a rectangular weir 3m long. The height of water surface over the weir is 1m. Calculate discharge over the weir by:

  1. Simple formula
  2. Francis’ formula

            Take Cd=0.62 and velocity of approach=2m/sec. Find the difference between the two discharges.

 

Q#5 :What is a “Cippoletti weir” ?Prove that the side slope of a Cippoletti weir is 1:4.

 

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