Civil Engineering MCQs

Page No. 143

Optimum depth of kor watering for rice is______________?


a135 mm

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b165 mm

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c190 mm

✓


d 215 mm

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View Answer 190 mm

Which of the following methods of applying water may be used on rolling land ?


aboarder flooding

✓


b check flooding

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cfurrow flooding

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dfree flooding

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View Answer boarder flooding

The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as__________________?


awater conveyance efficiency

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bwater application efficiency

✓


c. water use efficiency

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dnone of the above

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The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called________________?


aeffective rainfall

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b consumptive use

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cconsumptive irrigation requirement

✓


dnet irrigation requirement

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Hydrograph is the graphical representation of________________?


a runoff and time

✓


bsurface runoff and time

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cground waterflow and time

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d rainfall and time

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View Answer runoff and time

The depth of water required to bring the soil moisture content of a given soil upto its field capacity is called_________________?


ahygroscopic water

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bequivalent moisture

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csoil moisture deficiency

✓


d pellicular water

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Infiltration is the_______________?


amovement of water through the soil

✓


babsorption of water by soil surface

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cboth (A) and (B)

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dnone of the above

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Cyclonic precipitation is caused by lifting of an air mass due to________________?


a pressure difference

✓


btemperature difference

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c natural topographical barriers

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dall of the above

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A raingauge should preferably be fixed________________?


a near the building

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bunder the tree

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c in an open space

✓


d in a closed space

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View Answer in an open space

Under the same conditions, which of the following shapes of water surface will give the highest rate of evaporation ?


a flat water surface

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bconvex water surface

✓


cconcave water surface

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d independent of shape of water surface

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View Answer convex water surface

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