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1. |
Afive day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is |
A. | 100 |
B. | 1000 |
C. | 5000 |
D. | 10000 |
Answer» E. | |