The intensity of rainfall and the time interval of a typical storm are:
|
Time interval (minutes) |
Intensity of rainfall (mm/minute) |
|
0 – 10 |
0.7 |
|
10 – 20 |
1.1 |
|
20 – 30 |
2.2 |
|
30 – 40 |
1.5 |
|
40 – 50 |
1.2 |
|
50 – 60 |
1.3 |
|
60 – 70 |
0.9 |
|
70 – 80 |
0.4 |
Choose the correct options from the below
1
Maximum intensity of rainfall for 20 min duration is 1.85 mm/min
2
Maximum intensity of rainfall for 10 min duration is 2.2 mm/min
3
Minimum intensity of rainfall for 10 min duration is 0.7 mm/min
4
Maximum intensity of duration for 20 min duration is 1.85 cm/min