# Civil Engineering - Water Resources Engineering

### Exercise :: Water Resources Engineering - Section 1

6.

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. The maximum rate of absorbing water by the soil in any given condition, is known as infiltration capacity E. All the above.

Explanation:

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7.

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 E. that gets evaporated.

Explanation:

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8.

Pick up the correct equation from the following :

 A. Run off = Surface run off + Ground water flow B. Run off = Surface run off - Ground water flow C. Run off = Surface run off / Ground water flow D. Run off = Surface run off x Ground water flow.

Explanation:

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9.

Infiltration capacity of soil depends upon

 A. number of voids present in the soil B. shape and size of soil particles C. arrangement of soil particles D. compaction of the soil particles E. all the above.

Explanation:

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10.

Pick up the correct statement from the following :

 A. When rainfall rate exceeds the infiltration capacity, the water enters the soil at full capacity rate B. When rainfall rate is less than the infiltration capacity, the infiltration rate is approximately equal to the rainfall rate C. The actual infiltration rate at any time may be equal to or less than the infiltration capacity D. The actual prevailing rate of infiltration of water in the soil at any time, is known as infiltration rate E. All the above.