GATE CE 2026 Set 1 — Question 44

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MCQ+2 / -0.67EasyWastewater CharacteristicsWastewater Quantity & SewerageEnvironmental Engineering

Environmental Engineering → Wastewater Quantity & Sewerage → Wastewater Characteristics

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The average sewage from a city is 90 million litres per day90\text{ million litres per day} and the average 5-day Biochemical Oxygen Demand (BOD5\text{BOD}_5) is 300 mg/l300\text{ mg/l}. Average standard BOD5\text{BOD}_5 of the domestic sewage is 0.08 kg/day/person0.08\text{ kg/day/person}. The population equivalent of the city is
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