Question

Intensity of rainfall according to british ministry of health formula

Answer 1

Heya!

If the time of concentration is 9 minutes, then the intensity of rainfall according to British ministry of health formula will be 44mm / hr.

Thanks!

Answer 2

Answer:     40 mm/hr

Explanation:

British formula for intensity of rainfall is

 i=760/(t+10)  for t = 5 to 20 min

 i  = 1020/(t+10) for t = 20 to 100 min