water management MCQs – Page 13

Practise focused water management questions with marked answers for exam preparation and subject revision.

water management Mcqs

241. A river which does not change its alignment slope and its regime significantly is called________________?
0

A. Aggrading river

B. Degrading river

C. Deltaic River

D. Stable river

242. An outlet through which the discharge depends upon the water level in the distributary is called ___________________?
0

A. Non-flexible

B. Non-modular

C. Rigid module

D. Flexible module

243. Art of mixing saline water with fresh water in accordance with some ratio for irrigation purpose is called _________________?
0

A. Amalgamation

B. Mixing of water

C. Desalinization

D. All are correct

244. According to Blight, the percolating water seeps along the lower contour of the hydraulic structure, the length traversed by this water is called ______________________?
0

A. Creep length

B. Undermining

C. Seeping length

D. Piping

245. The water particles held in soil pores of root zone by _____________ against gravity and is known as capillary water?
0

A. Tension force

B. Gravity force

C. Capillary force

D. Cohesive force

246. Which of the following has highest-coefficient of discharge_____________________?
0

A. Cippoletti weir

B. Sharp edged orifice

C. Broad crested weir

D. Venturi meter

247. According to Kennedys silt theory , the critical velocity is directly proportional to depth of flow _____________________?
0

A. D0.66

B. D0.67

C. D0.64

D. D0.65

248. The horizontal flow of water in irrigation channel or canal leading to water loss is called as:_________?
0

A. Infiltration

B. Seepage

C. Percolation

D. All of these

249. In a river the flood water dries up before it joins the sea or any other river, such river is called ________________?
0

A. Tidal

B. Flashy

C. Deltaic

D. Virgin

250. Friction head loss in open channels is determined by_________________?
0

A. Pilot tube

B. Chezys formula

C. Darcy weisbach equation

D. Kutters formula

251. Wilting point is that limit after that the crop starts feeding up and no water is available for plant, this point occurs after _________________?
0

A. 25% water available

B. 30% water available

C. All are correct

D. 20% water available

252. That rain fall which is effectively consumed by the plants to meet its consumptive needs is called__________________?
0

A. Total rainfall

B. Effective rain fall

C. Monsoon rainfall

D. All are correct

253. The most economical central angle of an arch dam is made at ___________________?
0

A. 143

B. 133!

C. 123

D. 153

254. A flow in which the quantity of liquid flowing per second is constant is called___________________?
0

A. Turbulent flow

B. Steady flow

C. None of these

D. Uniform flow

255. The ratio of the rate of change of discharge through out let to the rate of c./v of water level of the distributary is called_________________?
0

A. Flexibility

B. Setting

C. Proportionally

D. Sensitivity

256. The depth before the jump is always less then the depth after the jump. The depth before the jump is called initial depth and depth after the jump is called_______________?
0

A. Sequent depth

B. Final depth

C. Afflux

D. Down stream water depth

257. Those crops which increase the nitrogen content of the soil and hence the fertility also are called ___________________?
0

A. Cash crops

B. Food crops

C. Leguminous crops

D. Fodder

258. Presently percentage of area irrigation to that of total cultivated area in our country is __________________?
0

A. 40%

B. 27%

C. 60%

D. 80%

259. Mostly the hydraulic structures founded on ____________ soils fails because of undermining and uplift pressure?
0

A. Permeable

B. Stable

C. Rocky

D. Impermeable

260. The discharge through a rectangular channel will be maximum. if its depth is_______________?
0

A. Half of its width

B. Equal to its width

C. Twice the width

D. one-third of its with

Previous Next

Showing 241 to 260 of 289 mcqs