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1. |
A rain gauge recorded hourly rainfall as 5 cm, 2 cm, 4 cm and 3 cm for a four hour storm respectively. If the φ- index was 3 cm/hour, the total direct runoff from a catchment for the storm was |
A. | 14 cm |
B. | 12 cm |
C. | 3 cm |
D. | 2 cm |
Answer» D. 2 cm | |