What is the purpose of a plumbing trap seal?
Correct Answer
D) Block sewer gas from entering occupied spaces
The trap seal blocks sewer gases from passing through the fixture drain into occupied space.
Why This Is the Correct Answer
The trap seal blocks sewer gases from passing through the fixture drain into occupied space.
More NASCLA Questions
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On the finish plan, locate room R358; then use the finish schedule. What remarks is listed?
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