Civil Engineering - Water Resources Engineering - Discussion

37. 

Pick up the correct statement from the following :

[A]. The unit hydrograph of a specified unit duration obtained from the past data can be used to obtain the hydrograph of future storms of like duration
[B]. To obtain the ordinates of storm hydrograph, the ordinates of unit hydrograph are multiplied by the multiplying factor
[C]. The multiplying factor for storm hydrograph may be obtained by dividing the run off in mm by 25 mm
[D]. A tolerance of about 25% of specified duration of unit hydrograph may be accepted without any serious error
[E]. All the above.

Answer: Option E

Explanation:

No answer description available for this question.

Shai said: (Jul 23, 2018)  
How option C? Please explain the answer.

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