If Biochemical oxygen demand (BOD) of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is
A. 1000
B. 4000
C. 1,00,000
D. 4,00,000
Answer: Option D
This Question Belongs to Civil Engineering >> Environmental Engineering
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Population equivalent of a town = BOD of that town/BOD/capita/day = (20000 kg/day)÷(0.05 kg/capita/day) = 400000 capita.