Select the correct statement from the listed options?
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Answer: D. All the above
Explanation
Peak drainage discharge refers to the maximum volume rate of storm runoff generated by a basin. Rational method calculations provide reliable peak runoff estimates specifically for small drainage areas under fifty hectares. Time of concentration measures the duration required for runoff contribution from the entire watershed area. Hydrologists use the rational formula relating rainfall intensity, runoff coefficient, and catchment area. Time of concentration depends on overland flow velocity, slope, and hydraulic roughness characteristics. Stormwater management infrastructure relies on peak discharge values to size culverts and storm sewers.
Urban planners apply these hydrological principles to design effective storm drainage systems for cities. Accurate runoff estimation prevents severe flash flooding during intense precipitation and storm events. Highway drainage design requires precise calculation of peak flows to protect road foundations. Option A defines peak discharge without addressing catchment area limits or concentration times. Option B restricts applicability to small watersheds but omits peak discharge and concentration definitions. Option C explains concentration timing while ignoring peak runoff calculation methods and limits.
- Subject
- Engineering
- Category
- Civil Engineering
- Topic
- —
- Difficulty
- medium
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