Civil Engineering - GATE Exam Questions - Discussion

45. 

The percentage error in the computed discharge over a triangular notch corresponding to an error of 1% in the measurement of the head over the notch, would be

[A]. 1.0
[B]. 1.5
[C]. 2.0
[D]. 2.5

Answer: Option D

Explanation:

No answer description available for this question.

Divya said: (Jan 25, 2015)  
For triangular notch Q = (8/15)*cd*h^5/2*sqrt(2*g).

Divya said: (Jan 25, 2015)  
Discharge varies with h^5/2.

Bala said: (Dec 25, 2016)  
Can you clarify clearly?

Tyagi said: (Sep 11, 2017)  
DQ/Q=3/2*DH/H FOR RECTUNGLAR NOTCH AND 5/2 USED FOR TRIANGULAR NOTCH.

Komal said: (Apr 30, 2019)  
What if error is in angle?

Sridher said: (Feb 28, 2021)  
Dq/q=5/2*dh/h=2.5 here 1%.

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