ExamVeda
Login
Home

A 6 hours storm had 4 cm of rainfall and the...

This question belongs to Civil Engineering Irrigation Engineering
Irrigation Engineering
?

A 6 hours storm had 4 cm of rainfall and the resulting runoff was 2 cm. If ϕ index remains at the same value, the runoff due to 10 cm of rainfall in 12 hours in the catchment is

Answer & Solution
Correct Answer: Option B
Infiltration Rate =2/6=1/3cm/hr
Infiltration=1/3*12=4cm
Run-off= 10-4=6 cm
Examveda
Question posted by Examveda
Community

Join the Discussion

1 Comment
Mhabeni Kyong
Mhabeni Kyong 5 years ago
Pi index=( precipitation-Runoff) /time
=4-2/6
= 0.33cm/h

Runoff due to 10cm of rainfall= 10- 0.33*12
=10-3.9
=6.04 ie 6 cm
Keep Learning

Related Questions on Irrigation Engineering

Finally formed berms in canals are provided for
A. Protection of banks erosion by the waves B. Control of seepage losses C. Strengthening of banks D. All the above
Canals constructed for draining off water from water logged areas, are known
A. Drains B. Inundation canals C. Valley canals D. Contour canals
A hydroelectric scheme operating under a head of 80 m will be classified as
A. low head scheme B. medium head scheme C. high head scheme D. none of the above
Irrigation water having the concentration of Na++, Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as
A. Low sodium water B. Medium sodium water C. High sodium water D. Very high sodium water
More Related Questions on Irrigation Engineering