If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be
A. 4 mm/hr
B. lOmm/hr
C. 20 mm/hr
D. 40 mm/hr
Answer:D
If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be
A. 4 mm/hr B. lOmm/hr C. 20 mm/hr D. 40 mm/hr