Traps serving sinks that are part of the To avoid a possible blocked vent, use a equipment of soda fountains need not be Sanitary Tee to connect the trap arm to a vented if they can be discharged into an vertical drain/vent. approved floor sink. True True False False Answer questions 16-20 to correctly size the DWV copper tubing has ______ or ______ vent for a washer” that is 28 feet in colored printing on the tube sides. “clothes length. red – The minimum trap arm size is ______. black white – 1 ¼ inch red blue – 1 ½ inch yellow green – 2 inches yellow orange – 3 inches Type K copper piping is labeled in ______ The clothes washer is rated at ______ DFU lettering. / DFUs. Red 1.0 Yellow 2.0 Green 3.0 Blue 4.0 5.0 Type L copper piping is labeled in ______ lettering. The minimum distance from the trap to the Red vent is ______ inches. Yellow 2 ½ Green 3 Blue 4 6 Type M copper piping is labeled in ______ 8 lettering. The maximum length of the trap arm is Red ______ inches. Yellow 30 Green 42 Blue 60 72 Type DWV copper piping is labeled in 120 ______ lettering. Red The minimum diameter sized vent for this Yellow application is ______. Green 1 ¼ inch Blue 1 ½ inch 2 inches Type ______ copper tubing has the thickest 3 inches wall. 4 inches K L Quiz 3 M Vent piping shall be permitted to be omitted DWV on an interceptor where such interceptor acts as a primary settling tank and A water closet (WC) needs a vent of at least discharges through a horizontal indirect ______ in diameter. waste pipe into a secondary interceptor. 1 ¼ inches True 1 ½ inches False 2 inches 3 inches
To avoid a possible blocked vent, use a Sanitary Tee to connect the trap arm to a vertical drain/vent. True False Answer questions 16-20 to correctly size the vent for a “clothes washer” that is 28 feet in length. The minimum trap arm size is ______. 1 ¼ inch 1 ½ inch 2 inches 3 inches The clothes washer is rated at ______ DFU / DFUs. 1.0 2.0 3.0 4.0 5.0 The minimum distance from the trap to the vent is ______ inches. 2 ½ 3 4 6 8 The maximum length of the trap arm is ______ inches. 30 42 60 72 120 The minimum diameter sized vent for this application is ______. 1 ¼ inch 1 ½ inch 2 inches 3 inches 4 inches Quiz 3 Vent piping shall be permitted to be omitted on an interceptor where such interceptor acts as a primary settling tank and discharges through a horizontal indirect waste pipe into a secondary interceptor. True False Traps serving sinks that are part of the equipment of soda fountains need not be vented if they can be discharged into an approved floor sink. True False DWV copper tubing has ______ or ______ colored printing on the tube sides. – red black – white red – blue yellow – green yellow – orange Type K copper piping is labeled in ______ lettering. Red Yellow Green Blue Type L copper piping is labeled in ______ lettering. Red Yellow Green Blue Type M copper piping is labeled in ______ lettering. Red Yellow Green Blue Type DWV copper piping is labeled in ______ lettering. Red Yellow Green Blue Type ______ copper tubing has the thickest wall. K L M DWV A water closet (WC) needs a vent of at least ______ in diameter. 1 ¼ inches 1 ½ inches 2 inches 3 inches
2015%20UPC%20Chapter%209%20Venting%20SD%20Questions.docx