Plumbing Exam 4 Questions and Answers 2023/2024 Rated A+

Plumbing Exam 4 Questions and Answers 2023/2024 Rated A+ Galvanized steel vent pipes used for drains, wast or vents shall _________. - ANS ️️ be maintained at least 6 inches above grade Galvanized steel vent pipes with galvanized steel fittings shall be kept above ground at least _____. - ANS ️️ 6 inches Which of the following combinations of vent pipes is adequate for a 4" drain? - ANS ️️ Ten 1 1/4" Which of the following combinations of vent pipes will provide the minimum aggregate cross-sectional vent area of one 4" building drain? - ANS ️️ Four 2" and one 1 1/2" Refer to the illustration above. Given: These are 3.5 GPF water closets supplied by flushometer. What minimum size pipe is required at "A"? - ANS ️️ 2" According to the Uniform Plumbing Code, when a drainage vent is installed in a horizontal position, the total horizontal length of the vent shall not exceed _____ of the total allowable length of the vent. - ANS ️️ 1/3 Each vent shall rise at least _____ inches above the flood level rim of the fixture being served before continuing to termination. - ANS ️️ 6" Refer to the illustration above. Each vent pipe shall extend through its flashing and shall terminate not less than _____ inches above the roof. - ANS ️️ 6"