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2018 IRC Study Session 16 Vents, Traps, and Storm Drainage Exam with perfect question and answers
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2018 IRC Study Session 16 Vents, Traps, and Storm Drainage Exam with perfect question and answers 1. Where the accumulation of snow is not a concern and the roof is not used for assembly purposes, open vent pipes shall extend a minimum of inches above a roof used solely for weather protection. a. 6 b. 12 c. 18 d. 24: A 2. Where a vent extension through a roof is increased in size due to cold cli- matic conditions, the size increase shall occur inside the structure a minimum of inches inside the thermal envelope of the building. a. 6 b. 12 c. 24 d. 36: B 3. Horizontal vent pipes forming branch vents shall be a minimum of inches above the flood level rim of the highest fixture served. a. 3 b. 4 c. 6 d. 12: C
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