Question

In the two-pipe system for the drainage of buildings, the discharge from the water closet is connected to the waste pipe while the discharge from the sinks and baths is connected to the soil pipe.

(a) True

(b) False

This question was addressed to me at a job interview.

This interesting question is from Systems of Plumbing topic in chapter Plumbing for Buildings of Construction & Building Materials

Answer 1

Correct answer is (b) False

For explanation I would say: In the two-pipe system for the drainage of buildings, separate waste pipe and soil pipe are provided. In this, the discharge from the water closet is connected to the soil pipe while the discharge from the sinks and baths is connected to the waste pipe.