Mechanical Engineering - Hydraulics and Fluid Mechanics - Discussion
Discussion Forum : Hydraulics and Fluid Mechanics - Section 5 (Q.No. 48)
48.
An error of 1% in measuring head over the crest of the notch (H) will produce an error of __________ in discharge over a triangular notch,
Discussion:
6 comments Page 1 of 1.
Mohd Manzoor said:
3 years ago
dq/q= dl/l+ n dh/h.
For triangular notch no dl/l;
Above n= 5/2 for triangular.
n = 3/2 for rectangular.
Answer for triangular DQ/q= 5/2 * 1% = 2.5%.
For rectangular will be 1.5%.
For triangular notch no dl/l;
Above n= 5/2 for triangular.
n = 3/2 for rectangular.
Answer for triangular DQ/q= 5/2 * 1% = 2.5%.
For rectangular will be 1.5%.
Srikanth said:
5 years ago
Discharge over triangular notch = (5/2)*(4/100) = 2.5.
Shivakumar said:
6 years ago
For triangular notch, it is 2.5.
For rectangular it is 1.5.
For rectangular it is 1.5.
Bidhan said:
7 years ago
Head over the crest of a notch will produce 1.5% error and head over the apex of the notch will produce an error of 2.5%.
(1)
Anusha said:
8 years ago
How are they different from each other? please explain.
Nikhil N.S. said:
8 years ago
Head over the crest of a notch will produce 1.5% error and head over the apex of the notch will produce an error of 2.5%. So the answer is B.
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