Question: Water flows over a sharp-crested triangular weir with (theta=90^{circ}). The head range covered is (0.20 leq H leq 1.0 mathrm{ft}) and the accuracy in the

Water flows over a sharp-crested triangular weir with $\theta=90^{\circ}$. The head range covered is $0.20 \leq H \leq 1.0 \mathrm{ft}$ and the accuracy in the measurement of the head, $H$, is $\delta H= \pm 0.01 \mathrm{ft}$. Plot a graph of the percent error expected in $Q$ as a function of $Q$.

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