Civil Engineering - Hydraulics - Discussion
Discussion Forum : Hydraulics - Section 6 (Q.No. 5)
5.
An error of 1% in measuring the head of water over the crest of a rectangular weir, produces an error in the discharge which is equal to
Discussion:
4 comments Page 1 of 1.
DEEPAK said:
6 years ago
Good, thanks @Priyanka.
Priyanka said:
6 years ago
3/2 for rectangle & 5/2 for triangle.
Laxman said:
8 years ago
Simply 2/3 for rect, 5/2 for triangle.
Clearly said @Biswadut.
Clearly said @Biswadut.
BISWADUT said:
9 years ago
dQ/Q = 1.5*dH/H.
Here dQ/Q is the error in discharge of a rectangular weir and dH/H is the error in head.
So here dQ/Q = 1.5%.
In case of the triangular weir equation would be dQ/Q = 2.5 * dH/H.
Here dQ/Q is the error in discharge of a rectangular weir and dH/H is the error in head.
So here dQ/Q = 1.5%.
In case of the triangular weir equation would be dQ/Q = 2.5 * dH/H.
(1)
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