Q.

In one pipe system of plumbing,

A. only one pipe is provided
B. the main pipe is connected directly to the drainage system
C. all of the traps are fully ventilated and connected to the ventilation pipe
D. all of the above
Answer» D. all of the above
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Jasmin Dani
1 month ago

What is the purpose of fully ventilating and connecting all traps to the ventilation pipe in a one pipe system of plumbing?
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