Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 5 (Q.No. 30)
30.
In a V-notch, an error of 1% in the measurement of head would constitute in the discharge measurement, an error of
Discussion:
3 comments Page 1 of 1.
Dibakar said:
4 years ago
Q = (8/15)cd tan theta/2 √(2g) H^2.5.
Let Q=kH^2.5.
Differentiation w.r.t head(H),
dQ=k 2.5 H^1.5 dH,
So, now (dQ/Q) = 2.5dH.
Let Q=kH^2.5.
Differentiation w.r.t head(H),
dQ=k 2.5 H^1.5 dH,
So, now (dQ/Q) = 2.5dH.
Dhaval shah said:
7 years ago
2.5- triangular notch.
1.5- rectangular notch.
1.5- rectangular notch.
Naveed Iqbal said:
8 years ago
w=eS/Gs where S=1.
w= 0.78*1/2.60*100 = 30%.
w= 0.78*1/2.60*100 = 30%.
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