# Civil Engineering - Water Resources Engineering

### Exercise :: Water Resources Engineering - Section 2

11.

The polythene bottles are used for collecting rain water and. their capacities is

 A. 2 litres B. 4 litres C. 10 litres D. all the above.

Explanation:

No answer description available for this question. Let us discuss.

12.

Symon's rain gauge is

 A. tipping-bucket gauge B. weighing type gauge C. float recording gauge D. non-recording gauge.

Explanation:

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13.

The rainfall cycle period in India is taken as

 A. 15 years B. 20 years C. 25 years D. 30 years E. 35 years.

Explanation:

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14.

Pick up the correct statement from the following :

 A. B. Normal annual rainfall is obtained by taking the mean of the annual rainfall over a period of 35 years C. Index of wetness gives an idea of the wetness of the year D. If the rainfall in a year is approximately equal to the annual average value, the particular year is said to be an average year E. All the above.

Explanation:

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15.

Isohytes are the imaginary lines joining the points of equal

 A. pressure B. height C. humidity D. rainfall.