Common vent sizing be the sum of degree, and a ______ degree elbow in the fixture units served but, in no case, the order named. smaller than the minimum vent pipe size 45 90 45 – – required for a fixture served. 90 45 90 – – True 90 180 90 – – False 22 ½ 90 22 ½ – – none of the answers provided An automatic clothes washer with a standpipe may empty above the laundry Combination waste vent systems are tub. used primarily for ______. True floor sinks False hospital private homes An automatic clothes washer with a meat processing centers standpipe is rated for ______. none of the answers provided 1 DFU 2 DFUs A combination waste branch that 3 DFUs exceeds ______ feet shall be separately 4 DFUs vented in an approved manner. 5 DFUs 5 10 A wet vent carrying 5 DFUs needs a 15 minimum pipe diameter of ______. 20 1 ¼ inches 30 1 ½ inches 2 inches A combination waste pipe is to be sized 3 inches not less than ______ pipe size(s) larger 4 inches than the requirements shown in Chapter 7. Quiz 7 1 On island fixtures, below the floor 2 level shall have a slope of not less than 3 ______ inch per foot. 4 1/8 5 1/4 5/16 A combination waste system may 1/2 service ______. 1 only floor sinks floor sinks and water closets (WC) floor sinks, water closets (WC) and urinals floor sinks, water closets (WC), urinals and kitchen sinks none of the answers provided The return bend used under the drain board shall be a one piece fitting or an assembly of a ______ degree, a ______ The maximum number of fixtures that a circuit vent can connect to is ______. 2 4 6 8 12
Common vent sizing be the sum of the fixture units served but, in no case, smaller than the minimum vent pipe size required for a fixture served. True False An automatic clothes washer with a standpipe may empty above the laundry tub. True False An automatic clothes washer with a standpipe is rated for ______. 1 DFU 2 DFUs 3 DFUs 4 DFUs 5 DFUs A wet vent carrying 5 DFUs needs a minimum pipe diameter of ______. 1 ¼ inches 1 ½ inches 2 inches 3 inches 4 inches Quiz 7 On island fixtures, below the floor level shall have a slope of not less than ______ inch per foot. 1/8 1/4 5/16 1/2 1 The return bend used under the drain board shall be a one piece fitting or an assembly of a ______ degree, a ______ degree, and a ______ degree elbow in the order named. 45 – 90 – 45 90 – 45 – 90 90 – 180 – 90 22 ½ – 90 – 22 ½ none of the answers provided Combination waste vent systems are used primarily for ______. floor sinks hospital private homes meat processing centers none of the answers provided A combination waste branch that exceeds ______ feet shall be separately vented in an approved manner. 5 10 15 20 30 A combination waste pipe is to be sized not less than ______ pipe size(s) larger than the requirements shown in Chapter 7. 1 2 3 4 5 A combination waste system may service ______. only floor sinks floor sinks and water closets (WC) floor sinks, water closets (WC) and urinals floor sinks, water closets (WC), urinals and kitchen sinks none of the answers provided The maximum number of fixtures that a circuit vent can connect to is ______. 2 4 6 8 12
2015%20UPC%20Chapter%209%20Vents%20Questions.docx