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Q. |
Which one of the following statements regarding septic tanks is wrong? |
A. | A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided |
B. | The outlet invert level is kept 5 to 7.5 cm below the inlet invert level |
C. | The minimum width of septic level is 90 cm |
D. | The depth of tank is kept equal to its width |
Answer» D. The depth of tank is kept equal to its width |
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