List of top Water Science and Technology Questions

Match List-I with List-II.

\[ \begin{array}{|l|l|} \hline \textbf{List-I (Name of Tank)} & \textbf{List-II (Location)} \\ \hline \text{(A) Pampasaras} & \text{(I) Rajasthan} \\ \text{(B) Veeranum} & \text{(II) Kasargod} \\ \text{(C) Khadin} & \text{(III) Bellary} \\ \text{(D) Surangam} & \text{(IV) Tamil Nadu} \\ \hline \end{array} \]
Choose the correct answer from the options given below.

Estimate the friction losses of 50 m long PVC pipe having inside diameter 50 mm. The velocity of flowing water is 1.0 m/s and friction factor of pipe is 0.05.

The most significant component in the water charges levied by the government is

What is the power requirement for pumping 450 litres of water per minute against a head of 50 m, assuming a pump efficiency of 65%? What size (SHP) of electric motor is required?

The total discharge of a drip system is 150 m$^3$/hr and discharge of Individual dripper is 8 liters per hour. Find out the number of emitters per plant if plant water requirement is 15 litres per day and also find out the area of field if the drippers plant spacing is 1 m x 1 m. (Assume the time of operation as 1 hr).

Given below are two statements:
Statement (I): Surge irrigation is technically advanced furrow irrigation method in which water is supplied in cyclic form i.e. pulses
Statement (II): Deep percolation at upstream and runoff losses at downstream are minimum with surge irrigation.
In light of the above statements, choose the most appropriate answer from the options given below.

The operating pressure of raingun varies from

Match List-I with List-II
\begin{tabular List-I & List-II
(A). Vertical drainage & (I). Percolation
(B). Stuffing box & (II). Turbine pump
(C). Diffuser & (III). Centrifugal pump
(D). Groundwater recharge & (IV). Tubewell

Choose the correct answer from the options given below:

The thickness of gravel pack in tubewells varies from

A drainage canal discharges 0.2 m$^3$/s and drains 250 ha. The drainage coefficient of land is

If net irrigation for a crop is 8 cm and field efficiency is 75% then the gross irrigation depth to be applied will be

Overland flow during irrigation in a border strip is an example of

The minimum satisfactory value of uniformity coefficient under normal condition of pressure and wind velocity in spinkler is

Most hazardous element in the irrigation water in relation to crop growth and production is

Water use efficiency is

The most desirable soil structure is

Water conveyance efficiency is the ratio of

Mixed flow pump is used for
(A). High discharge
(B). Medium head
(C). High head
(D). Low discharge
Choose the correct answer from the options given below:

Minimum wind speed required for the operation for windmill usually ranges from

Archemedian screw is suitable to lift water from open water bodies to height ranging from

The measure of dispersion which uses only two observations is called_____________

Match List-I with List-II
List-I & List-II
(A). Steady flow & (I). Velocity changes along the length
(B). Uniform flow & (II). Velocity and depth of flow changes with time
(C). Non-uniform flow & (III). Velocity and depth of flow remains constant with time
(D). Unsteady flow & (IV). Velocity remains constant along the length

Choose the correct answer from the options given below:

Perched water table is found in