Recent questions and answers in Hydrology

Following statements are made with respect to the mass curve of rainfall:Slope at a point on the curve can be positive.Slope at a point on the curve can be zero.Which one...

Types of flood routing and methods are given in the table below.\[\begin{array}{|l|l|}\hline\begin{array}{l}\text{Column 1}\\\text{Type of Flood Routing}\end{array}&\begi...

A fully-penetrating well of $20$ cm diameter is provided in an unconfined aquifer. The height of the ground water table is $30$ m from the bottom of the aquifer. After a ...

A bridge with an expected life of $50$ years is designed for a flood of $10000 \mathrm{~m}^{3} / \mathrm{s}$ corresponding to the return period of $100$ years. The risk a...

The intensity-duration relationship for a rainfall on a rectangular plot $\text{ABCD}$ of area $7$ \text{ha} ($1 \mathrm{~ha}=10^{4} \mathrm{~m}^{2}$) can be modelled by ...

In the context of the effect of drainage density on the run-off generation and the hydrograph at the catchment outlet, all other factors remaining the same, pick one or m...

​​​​​The mean rainfall over a catchment has to be estimated. The data for four rain gauges located in and around the catchment is listed in the table. Which one of the fo...

The ordinates of a $1$-hour unit hydrograph $\text{(UH)}$ are given below.Time (hours)$0$$1$$2$$3$$4$$5$Ordinates of $1$-hour $\mathrm{UH}\left(\mathrm{m}^{3} / \mathrm{s...

Which one of the following options provides the correct match of the terms listed in Column-$1$ and Column-$2$?$$\begin{array}{|l|l|}\hline \qquad \text{Column-1} & \qqua...

A catchment may be idealized as a circle of radius $30 \mathrm{~km}$. There are five rain gauges, one at the center of the catchment and four on the boundary (equi-spaced...

A $12$-hour storm occurs over a catchment and results in a direct runoff depth of $100 \mathrm{~mm}.$ The time-distribution of the rainfall intensity is shown in the figu...

In Horton's equation fitted to the infiltration data for a soil, the initial infiltration capacity is $10 \mathrm{~mm} / \mathrm{h}$; final infiltration capacity is $5 \m...

Match $\textbf{Column X}$ and $\textbf{Column Y}:$$$\begin{array} {|l|l|} \hline \quad \textbf{Column X} & \qquad \textbf{Column Y} \\\hline \text{(P) Horton equation} ...

A flood control structure having an expected life of $n$ years is designed by considering a flood of return period $T$ years. When $T = n,$ and $n \rightarrow \infty,$ th...

A two-hour duration storm event with uniform excess rainfall of $3\:cm$ occurred on a watershed. The ordinates of streamflow hydrograph resulting from this event are give...

A water filtration unit is made of uniform-size sand particles of $\text{0.4 mm}$ diameter with a shape factor of $0.84$ and specific gravity of $2.55$. The depth of the ...