Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 22 (Q.No. 33)
33.
A 6 hour storm has 6 cm of rainfall and the resulting runoff was 3 cm. If φ = index remains at the same value, which one of the following is the runoff due to 12 cm of rainfall in 9 hours in the catchment?
Discussion:
3 comments Page 1 of 1.
Ejaz Ali said:
3 years ago
π =P-R/t.
= 6-3/6,
= 0.5.
As π index remains the same.
π = P-R/t.
0.5 = 12-R/9.
Ans R = 7.5 cm.
= 6-3/6,
= 0.5.
As π index remains the same.
π = P-R/t.
0.5 = 12-R/9.
Ans R = 7.5 cm.
(1)
Ali Ejaz said:
6 years ago
Kindly explain in more details. ?
Kanu mama said:
8 years ago
Infiltration rate = 3/6 = 1/2.
Infiltration = 1/2 * 9 = 4.5.
Run off = 12 - 4.5 = 7.5.
Infiltration = 1/2 * 9 = 4.5.
Run off = 12 - 4.5 = 7.5.
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