Pick up the correct statement from the following : Run off and surface run off a

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Question
Pick up the correct statement from the following :
Options
A. Run off and surface run off are the same
B. Run off includes the water flowing over the surface
C. Run off is sometimes called discharge of the river
D. Surface run off is sometimes called stream flow.

Correct Answer

Run off is sometimes called discharge of the river

Water Resources Engineering problems

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2. Pick up the correct statement from the following :
Options
A. The amount of water retained on the surface of soil grains by molecular attraction, is known as pellicular water
B. The degree of resistance to movement of the pellicular water generally expressed by the surface tension
C. The pellicular water held in any soil, is called field capacity
D. The portion of the pellicular water absorbed by the root action of the vegetation, is called available moisture
E. All the above.

3. Pick up the correct statement from the following :
Options
A. Hydrograph is a plot of discharge and time
B. In hydrographs, time is plotted on X-axis
C. The maximum flow in the river due to rainfall, is called peak flow
D. Peak flows are different for rainfalls
E. All the above.

4. Levees and flood walls,
Options
A. are designed to carry unbalanced water load
B. are designed with adequate dimensions
C. are means of controlling floods
D. are never provided free-boards.

5. A volume of air at constant barometric pressure may be brought to dew point by
Options
A. increasing the temperature
B. decreasing the temperature
C. neither (a) nor (b)
D. both (a) and (b).

6. The coefficients of permeability of soils of an unconfined aquifer and another confined aquifer were determined by pumping water from the wells and observing the effect of water table in two test wells at equal distances was found to be equal. The total height of confined aquifer H is given by
Options
A. H = h₂ - h₁
B. H = h₁ - h₂
C. H = h₂ + h₁
D. (h₁ + h₂)

7. Precipitation caused due to striking of air masses with a topographical feature, is called
Options
A. orographic precipitation
B. convective precipitation
C. cyclonic precipitation
D. none of these.

9. The area enclosed by the adjacent isohyets of a catchment basin are shown under :

The average depth of annual precipitation in the catchment basin will be
Options
A. 60.0 cm
B. 60.5 cm
C. 61.5 cm
D. 62.5 cm
E. 63.5 cm.

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