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.
Correct Answer
The gully trap collects waste water from the kitchen, sink, wash basins, etc.
More questions
1. At the same mean velocity, the ratio of head loss per unit length for a sewer pipe flowing full to that for the same pipe flowing half full would be :