Recent questions tagged water-resources-engineering

For subcritical flow in an open channel, the control section for gradually varied flow profiles isat the downstream endat the upstream endat both upstream and downstream ...

The drainage are of a watershed is $50 \: km^2$. The $\phi$ index is $0.5 \: cm/hour$ and the base flow at the outlet is $10 \: m^3/s$. One hour unit hydrograph (unit dep...

The drainage are of a watershed is $50 \: km^2$. The $\phi$ index is $0.5$ cm/hour and the base flow at the outlet is $10 \: m^3/s$. One hour unit hydrograph (unit depth...

Group I contains parameters and Group-II lists methods/instruments.$\begin{array}{ll} \textbf{Group I} & \textbf{Group II} \\ P. \text{ Streamflow velocity} & 1. \text{...

Wheat crop requires $55$ cm of water during $120$ days of base period. The total rainfall during this period is $100$ mm. Assume the irrigation efficiency to be $60\%$. T...

The top width and the top depth of flow in a triangular channel were measured as $4$ m and $1$ m, respectively. The measured velocities on the centre line at the water su...

A sample of domestic sewage is digested with silver sulphate, sulphuric acid, potassium dichromate and mercuric sulphate in chemical oxygen demand (COD) test. The digeste...

A rectangular open channel of width $5.0$ m is carrying a discharge of $100 \: m^3/s$ The Froude number of the flow is $0.8$. The depth of flow (in m) in the channel is$4...

A trapezoidal channel is $10.0$ m wide at the base and has a side slope of $4$ horizontal to $3$ vertical. The bed slope is $0.002$. The channel is lined with smooth conc...

The circular water pipes shown in the sketch are flowing full. The velocity of flow (in m/s) in the branch pipe “R” is$3$$4$$5$$6$

A three-fluid system (immiscible) is connected to a vacuum pump. The specific gravity values of the fluids ($S_1, \: S_2$) are given in the figure.The gauge pressure valu...

In a $5$ m wide rectangular channel, the velocity $u$ distribution in the vertical direction $y$ is given by $u=1.25 y^{\frac{1}{6}}$. The distance $y$ is measured from t...

The intensity of irrigation for the $\textit{kharif}$ season is $50 \%$ for an irrigation project with culturable command area of $50,000 $ hectares. The duty for the $\t...

Dupuit's assumptions are valid forartesian aquiferconfined aquiferleaky aquiferunconfined aquifer

For a given discharge in an open channel, there are two depths which have the same specific energy. These two depths are known asalternate depthscritical depthsnormal dep...

A closed tank contains $0.5$ m thick layer of mercury (specific gravity $=13.6$) at the bottom. A $2.0$ m thick layer of water lies above the mercury layer. A $3.0$ m thi...

A flow field is given by $u=y^2, \: v=-xy, \: w=0$. Value of the z-component of the angular velocity (in radians per unit time, up to two decimal places) at the point $(0...

Bernoulli's equation is applicable forviscous and compressible fluid flowinviscid and compressible fluid flowinviscid and incompressible fluid flowviscous and incompressi...