Computer · Building Plumbing
What is the primary function of vent pipes in a building drainage system?
- 1To maintain atmospheric pressure and prevent siphonage only
- 2To prevent siphoning of trap seals, maintain atmospheric pressure, and prevent airlocks✓
- 3To avoid siphonage and facilitate the rapid movement of solid waste only
- 4To prevent airlocks and control water velocity only
Correct answer
To prevent siphoning of trap seals, maintain atmospheric pressure, and prevent airlocks
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