Recent questions in Water Resources Engineering

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42
A catchment is idealized as a $25 \: km \times 25 \: km$ square. It has five rain gauges, one at each corner and one at the corner, as shown in the figure.During a month,...
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45
The analysis of a water sample produces the following results:$\begin{array}{|c|c|c|} \hline \text{Ion} & \text{milligram per milli-equivalent} & \text{Concentration} \\ ...
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46
In a rectangular channel, the ratio of the velocity head to the flow depth for critical flow condition, is$\dfrac{1}{2}\\$$\dfrac{2}{3} \\$$\dfrac{3}{2} \\$$2$
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47
If the path of an irrigation canal is below the bed level of a natural stream, the type of cross-drainage structure provided isAqueductLevel crossingSluice gateSuper pass...
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50
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63
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66
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71
The direct runoff hydrograph in response to $5$ cm rainfall excess in a catchment is shown in the figure. The area of the catchment (expressed in hectares) is ________
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72
The type of flood routing (Group I) and the equation(s) used for the purpose (Group II) are given below.$$\begin{array}{ll} \underline{\text{Group I}} & \underline{\text{...
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73
The pre-jump Froude Number for a particular flow in a horizontal rectangular channel is $10$. The ratio of sequent depths (i.e., post-jump depth to pre-jump depth) is ___...
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76
A sector gate is provided on a spillway as shown in the figure. Assuming $g=10 \: m/s^2$, the resultant force per meter length (expressed in kN/m) on the gate will be ___...
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77
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80
Which one of the following is NOT present in the acid rain?$HNO_3$$H_2SO_4$$H_2CO_3$$CH_3COOH$