Computer · Water Resource Engineering
The supply of rainwater collected from a surface using rainwater harvesting is given by the formula S = R × A × Cr. Identify the correct definitions of the terms involved.
- 1R = Mean annual rainfall in mm/year; A = Collecting area of tank in m2; Cr = Depth of the catchment
- 2R = Mean annual rainfall in mm/year; A = Surface area of catchment in m2; Cr = Run-off coefficient✓
- 3R = Mean annual rainfall in mm/year; A = Surface area of catchment in m2; Cr = Depth of the catc hment
- 4R = Monthly rainfall in mm/month; A = Surface area of catchment in m2; Cr = Depth of the catchment
Correct answer
R = Mean annual rainfall in mm/year; A = Surface area of catchment in m2; Cr = Run-off coefficient
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