The ratio of cement mortar used in Bell and spigot joint is?
(a) 1:1
(b) 1:6
(c) 2:1
(d) 1:3
I got this question in final exam.
This is a very interesting question from Joints and Shapes of Sewers and Cleaning, Maintenance and Ventilation of Sewer topic in division Construction of Sewers, Sewer Appurtenances and Sewage Pumping of Environmental Engineering