water management MCQs – Page 10

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

water management Mcqs

181. The under sluices in a weir are provided, at the level of upstream floor dispose off the sediment deposited on downstream is called______________________?
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A. Sluice gates

B. Under sluices

C. Head sluices

D. Scouring sluices

182. the ratio between the rate of change of discharge of the out let to the rate of change of discharge of the distributary is called ______________________?
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A. flexibility

B. Flow abili

C. Proportionally

D. Sensitivity

183. The inverted filter consists layer of materials of increasing ______________ from bottom to top?
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A. Piping

B. Up thrust pressure

C. Permeability

D. Under mining

184. When the fluid properties do not change with time, it is a ___________ flow?
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A. Non-Uniform

B. Unsteady

C. Uniform

D. Steady

185. If in a river the flood rises and falls suddenly due to storm rain, then such river is called __________________?
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A. Virgin

B. Flashy

C. Deltaic

D. Tidal

186. During the peak stage of river, there exist an out flow from river into the ground water reservoir, in such case river will be called _________________?
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A. Influent stream

B. Seepage stream

C. Storm water stream

D. Effluent stream

187. The depth of water in a channel, corresponding to minimum specific energy is called ________________?
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A. Critical depth

B. None of these

C. Normal depth

D. Full supply depth

188. The groyne pointing upwards direction of flow is called ______________________?
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A. Repelling

B. Attracting

C. Permeable

D. Impermeable

189. A reference point on the ground of accurately known position which is a () point of leveling is called ________________?
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A. Control point

B. Reference point

C. Check point

D. Fixed point

190. A unit hydrograph is a hydrograph of runoff produced by a rainstorm of a specified duration called ____________________?
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A. Storm runoff

B. Unit duration

C. Base flow

D. Peak runoff

191. A fixed reference point from which the discharge of flowing water is measured is________________?
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A. Bench mark

B. Reduce level

C. Reference point

D. Contour point

192. The loss of head due to friction according to Darcys formula is _____________________?
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A. 4fLv2/gd

B. 4fLv/gd

C. 4fLv/2gd

D. 4fLv2/2gd

193. Pilot tube is a device, which convert velocity head of flowing water into pressure by ____________________?
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A. H = v2/2g

B. H = v2 / g

C. H = v2 / g2

D. H = v/g

194. Art of making saline water fit for irrigation and drinking through the processes of membrane technique and reverse osmosis is called ___________________?
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A. Water mixing

B. All are correct

C. Water application

D. Desalinization

195. For a flood control reservoirs, the effective storage is equal to ___________________?
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A. Useful storage + surcharge storage

B. Useful storage + surcharge storage

C. Useful storage + surcharge storage -valley storage

D. Useful storage valley storage

196. The water force per meter length on a vertical wall is equal to_________________?
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A. wh2

B. WH2 2

C. W.H/2

D. w H

197. A cloud is formed due to condensation. it consists of a small particle of ice an. small droplets of water, having diameter about ___________microns?
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A. 30

B. 40

C. 45

D. 35

198. The total length of impervious floor on down stream of the hydraulic structure is determined by Blighs Theory__________________?
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A. Darcy

B. Lane

C. All are correct

D. Khosla

199. According to Khoslas theory of seepage, the Exit gradient depends upon ____________________?
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A. depth /width ratio

B. width /depth ratio

C. depth /Length ratio

D. Length /depth ratio

200. How much annual rain fall is in sargodha?
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A. 400 mm

B. 550 mm

C. 500 mm

D. 450 mm

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