List of top Water Science and Technology Questions on Irrigation Engineering

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?

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 operating pressure of raingun varies from

The thickness of gravel pack in tubewells varies from

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

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

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

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

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:

Water use efficiency is

Which of the following statement(s) is/are correct
(A). In designing field channels, the flow is considered to be uniform at the maximum discharge.
(B). Flows in lined irrigation channel tend to be steady.
(C). Flows in lined irrigation channel tends to be steady and uniform.
(D). In a channel of changing cross-section, the flow is non-uniform.
Choose the correct answer from the options given below:

The term "Delta" used for irrigation practice can be expressed as.................
(A). cm
(B). cm/hr
(C). Poise
(D). Lux
Choose the correct answer from the options given below:

Which one of the following crops has maximum water requirement?

The fundamental principle of evaporation from a free surface is a 'function of the difference in the vapour pressure of water and vapour pressure of air' was given by...................

Which one of the following stage has the maximum crop coefficient (Kc) value for Watermelon?

Which one of the following describes most appropriately the process of infiltration?

Which one of the following soil type - steady state infiltration rate combination is incorrect?

Culturable command area includes
(A). All land of gross command area on which cultivation is possible.
(B). Pasture and fallow lands
(C). Pond area
(D). Reserve forest areas
Choose the correct answer from the options given below:

Which of the followings does not belong to cross drainage works in canal command area?

Given below are two statements :
Statement (I) : Pricing of water on volumetric basis helps to incentivize water conservation, improve water use efficiencies and restrict overuse of water.
Statement (II) : Pricing water on volumetric water supply basis requires huge investments in irrigation water supply infrastructure including water measurement structures, development of operational plans and revenue collection procedures.
In light of the above statements, choose the most appropriate answer from the options given below.

Given below are two statements :
Statement (I) : Irrigation tubewells should be so located that there is no interference in the cone of depressions of the two adjoining tubewells.
Statement (II) : Drainage tubewells to lower water table should be so located that there is some interference in the cone of depressions of two adjoining tubewells.
In light of the above statements, choose the most appropriate answer from the options given below.

Hooghoudt's equation is used to design lateral drain spacing for two layered profiles, if