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Civil Engineering Objective Questions { Water Resources Engineering }



8. Hydrology helps in
A. predicting maximum flows
B. deciding the minimum reservoir capacity
C. forecasting the availability of quantity of water at reservoir site
D. all the above.

9. Pick up the correct statement from the following :
A. Rivers, lakes, oceans and springs get water from the rains
B. Rain water is obtained by evaporation from rivers, lakes and oceans
C. Water remains in atmosphere as vapours Hydrologic cycle is a continuous process of evaporation and precipitation of water in atmosphere
D. all the above.

10. Pick up the correct statement from the following :
A. Rain which is intercepted by buildings, vegetations and other objects, is generally known as rainfall interception
B. The difference between the total rainfall and intercepted rainfall, is generally called ground rainfall
C. When rainfall exceeds the interception rainfall, water reaches the ground and infiltration starts
D. All the above.

11. The surface Run-off is the quantity of water
A. absorbed by soil
B. intercepted by buildings and vegetative cover
C. required to fill surface depressions
D. that reaches the stream channels

12. The surface run off is due to
A. initial rain
B. residual rain
C. rain in the net supply interval
D. all the above.

13. Pick up the correct statement from the following :
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.

14. Pick up the correct statement from the following :
A. Yield of a drainage basin is the run off at any time
B. Yield of a drainage basin is the run off over long periods
C. Yield of a drainage basin is expressed as surface run off per year
D. Run off is expressed as total volume per day

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