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| Q.36 | As per CPHEO (Central Public Health & Environmental Engineering Organization) guidelines, the standard rate of filtration (in litre per minute/m2 units) through a rapid sand filter is in the range: | |
| Ans | A. 200 to 300 | |
| B. 30 to 50 | ||
| C. 80 to 100 | ||
| D. 10 to 30 |
Correct Ans Provided: C
