water management MCQs – Page 9

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

water management Mcqs

161. Infiltration capacity curve is the graphical representation, as to how the infiltration capacity varies with time after rainfall this curve was represented by ____________________?
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A. Lacy

B. Darcy

C. Horton

D. Kennedy

162. A spoil bank is formed when the volume of excavated soil is _________________ of embankment filling?
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A. Not required

B. Excess

C. Equal to

D. Less than

163. A curve showing the maximum flow in the river and mean time reduces flow. we be called___________________?
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A. Infiltration capacity curve

B. All are correct

C. Ground water depletion curve

D. Infiltration capacity

164. A particular flood which can occur in the basin in the worst meteorological and hydrological conditions is called ___________________?
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A. Maximum probable flood

B. Very high flood

C. Storm water flood

D. Standard flood

165. The amount of moisture content present in the air, when it is expressed as weight per unit volume is called ________________?
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A. Absolute Humidity

B. All are correct

C. relative humidity

D. Humidity

166. In high floods, to avoid spilling of flood water over the gates, a wall is provided from pond level to high Flood level. This wall spans for the entire length of regulator, rest on piers, sustain water pressure by its weight called_____________________?
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A. Retaining wall

B. Divide wall

C. Breast wall

D. Cantilever wall

167. The hydraulic structures like dams, barrages constructed on permeable foundations are likely to fail due to ___________________?
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A. Piping

B. All the above

C. Crushing

D. Sliding

168. If the weir flood is designed continuous with divide piers as reinforced structure,such that the weight of divide piers, keep the structure safe against uplift, is called__________________?
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A. Rectangular weir

B. Non-gravity weir

C. Gravity weir

D. Sharp crested weir

169. A fish ladder is device by which flow energy can be dissipated in such a manner as to provide easy access to the downstream fish to come on upstream side, the velocity of flow varies from___________________?
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A. 3.5 4.0 m/sec

B. 2.5 3 m/sec

C. 2.0 2.5 m/sec

D. 3.0 3.5 m/sec

170. The flow in the river due to the floods may be classified as _____________________?
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A. Irrotational flow

B. Laminar flow

C. Stream line flow

D. Turbulent flow

171. The down stream sloping glacis of the Hydraulic structure is made in such a way to form automatically the _____________ and dissipate the surplus energy of flowing water?
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A. Afflux

B. Pond level

C. HFL

D. Hydraulic jump

172. When high flood passing down weir creating high up lift pressures and there is no flow in the canals, if such condition is taken for design and is called__________________?
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A. Dangerous condition

B. Worst condition

C. Hydraulic design condition

D. High flood level

173. The significant damage to crop generally occurs when capillary meniscus reaches permanent wilting point known as _______________?
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A. Unavailable moisture

B. Equivalent moisture

C. Hygroscopic moisture

D. A and B

174. Hydraulic structures are designed for a safe flow of flood. The floods which are equal in designed magnitude life of the project is called _____________________?
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A. Probable flood

B. Low floods

C. High floods

D. Ordinary floods

175. The percentage of culturable commended area, irrigated during the year to the total culturable commanded area on a outlet or channel is called___________________?
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A. Culturable Commended area

B. Annual Intensity

C. Gross commended area

D. Total irrigable Area

176. According to Mr. Khosla, the seeping water creates undermining and the undermining starts from__________________?
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A. Bottom to top

B. Up stream to down stream

C. Down stream to up stream

D. Top to bottom

177. In ogee spillway the discharge is directly proportional to _______________________?
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A. H1/4

B. H3/2

C. H1/2

D. H1/3

178. The discharge through rectangular channel is maximum when Hydraulic mean depth m is equal to ______________?
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A. depth/ 4

B. depth/ 3

C. 2 / 3 depth

D. depth/ 2

179. The delta the total water depth required by a crop up to its maturity the delta of wheat is _____________________?
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A. 50cm

B. 30cm

C. 40 cm

D. 60cm

180. After rainfall the quantity of water that flows directly over the ground surface and join immediately to the river is called_________________?
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A. Sub-surface runoff

B. Base flow

C. True surface runoff

D. Surface runoff

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