_______ provides only one sewer to carry both foul sewage and rainwater.
(a) Separate water carriage system
(b) Combined water carriage system
(c) Partially combined water carriage system
(d) Conservancy system
The question was asked during an online exam.
This question is from Water Carriage System topic in section Water Supply for Building, Collection and Conveyance of Sewage, Waste Water Flow Rate of Environmental Engineering