What is the horizontal movement of water from an irrigation channel or canal, causing water loss, called?
Correct answer A. Seepage
Topic / 284 questions
Water Management MCQs
Water Management MCQs are multiple-choice questions on how water is stored, conveyed, controlled and applied for agriculture, covering irrigation, canals, reservoirs, hydraulics and drainage. They support agriculture graduates and engineering candidates preparing for officer posts. Each question gives an instant answer, so you can revise technical terms efficiently and spot weak areas.
What is the approximate annual rainfall in Sargodha?
Correct answer A. 400 mm
Compared with the coefficient of velocity, what is the value of the coefficient of discharge?
Correct answer D. Lesser
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What are crops that increase soil nitrogen, and therefore fertility, called?
Correct answer D. Leguminous crops
What are seepage losses of irrigation water that do not reach the underground reservoir called?
Correct answer C. Absorption losses
What is the force that holds two different bodies together when their surfaces are brought into contact called?
Correct answer C. Adhesion
What is the force that holds the particles of the same body together called?
Correct answer A. Cohesion
What is the level above or below mean sea level, which is taken as zero level or datum, called?
Correct answer C. Reduce level
Significant crop damage generally occurs when the capillary meniscus reaches the permanent wilting point. What is this moisture known as?
Correct answer D. A & B
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What is packing with clay material to check water leakage called?
Correct answer A. Pug
What kind of root system does onion have?
Correct answer C. Shallow
When an earth dam rests on fine, loose cohesionless material, which analysis of the foundation against shear must be carried out?
Correct answer D. Stability
In an ogee spillway, the discharge is directly proportional to which power of the head?
Correct answer B. H^3/2
What is the sheet of water flowing over an ogee spillway called?
Correct answer B. Nappe
A spoil bank is formed when the volume of excavated soil is ____ the embankment filling required.
Correct answer C. In excess of
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Counter berms are provided on a canal so that the saturation gradient line stays ____ the bank. Which word fills the blank?
Correct answer A. Within
The saturation gradient line must stay within the body of a canal embankment. At what slope does it lie in loamy soils?
Correct answer C. 1:4 to 1:6
For an economical gravity dam design, between what values should the shear friction factor lie?
Correct answer D. 1.5 to 4.0
Waterlogging is caused by which water, which percolates down during excessive irrigation and joins the groundwater table?
Correct answer A. Gravity
What is the runoff from catchment areas, roads, buildings and fallow land called?
Correct answer C. Storm water
About Water Management MCQs
This Agriculture topic blends irrigation engineering with farm water use. Questions cover reservoir design floods and effective storage, pipe flow and velocity distribution, the Pitot tube, hydraulic jumps on the downstream glacis of weirs, and river training works such as groynes. Drainage crossings, seepage galleries in dams and dry-weather flow in drains also appear, along with a few crop questions such as identifying cash crops.
Efficient water use is central to farming in the Indus and Ganges basins, so recruitment bodies test it for Agriculture Officer, Water Management Officer and Sub-Engineer posts. The questions reward precise knowledge of terms and the purpose of each structure, not lengthy derivations. Working through these MCQs helps you connect hydraulics theory with canal and reservoir practice, which is exactly what PPSC, SPSC, ICAR and similar technical papers expect.
Key facts to remember
- A hydraulic jump is used below weirs and spillways to dissipate the surplus energy of flowing water.
- A Pitot tube measures flow velocity by converting velocity head into pressure head.
- In a pipe flowing full under laminar conditions, velocity is maximum at the centre of the pipe.
- Groynes are structures built out from a riverbank to deflect flow and protect the bank from erosion.
- A head regulator controls the supply of water entering a canal from a river or parent canal.
- Dry-weather flow is the flow in a drain or sewer when there is no storm runoff.
Exams that include Water Management MCQs
Pakistan
- PPSC
- SPSC
- KPPSC
- FPSC
- NTS
- Lecturer tests
India
- ICAR AIEEA
- State PSC exams
- UGC NET
Bangladesh
- BCS
- Government job tests
How to prepare for Water Management MCQs
- Sketch a weir with its upstream and downstream glacis and mark where the hydraulic jump forms to remember the related questions.
- Make a table of cross-drainage works such as aqueducts, syphons and super passages, noting which flow passes above the other.
- Revise flow measurement devices, including the Pitot tube, venturimeter and current meter, with one line on how each works.
- Learn the purpose of every reservoir storage zone, such as dead storage and useful storage, as definitions are tested often.
Frequently asked questions
What are the important topics in Water Management MCQs?
Key topics include irrigation methods, canal design and regulation works, reservoirs and storage zones, dams and seepage control, hydraulic jumps, pipe and open channel flow, flow measuring devices, river training works and drainage. Basic crop and soil water relations are also tested.
How many Water Management MCQs are on MCQs360?
There are 289 Water Management MCQs on MCQs360 under the Agriculture subject. Each comes with an instant answer, and the full set is free to practise with no sign-up needed. Working through them in sections, such as canals, dams and hydraulics, keeps revision organised.
What is a hydraulic jump and why is it useful?
A hydraulic jump is a sudden rise in water level when fast, shallow supercritical flow changes to slower, deeper subcritical flow. Engineers create it on the downstream side of weirs and spillways because it dissipates a large amount of energy, protecting the channel bed from scour.
Which exams ask Water Management MCQs?
These MCQs appear in Agriculture Officer, Water Management Officer and Sub-Engineer recruitment tests conducted by PPSC, SPSC and KPPSC in Pakistan, in State PSC agriculture posts and ICAR exams in India, and in BCS technical cadre and government job tests in Bangladesh.
Last reviewed October 2026