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Q. |
Pick up the correct statement from the following: |
A. | in a gully trap, a water seal of 6 to 7.5 cm is provided |
B. | the gully trap collects waste water from the kitchen, sink, wash basins, etc. |
C. | the gully trap disconnects the sullage drain from the main drainage system |
D. | the grating provided over gully traps is 23 cm square |
Answer» B. the gully trap collects waste water from the kitchen, sink, wash basins, etc. |
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