3 Answer questions 16-20 to correctly size the 4 vent for a washer” that is 28 feet in “clothes 6 length. 8 The minimum trap arm size is ______. 1 ¼ inch The minimum distance from a 4-inch 1 ½ inch trap arm to the vent is ______ inches. 2 inches 2 ½ 3 inches 3 4 The clothes washer is rated at ______ 6 DFU / DFUs. 8 1.0 2.0 The minimum distance from a 1 ½ inch 3.0 trap arm to the vent is ______ inches. 4.0 2 ½ 5.0 3 4 The minimum distance from the trap to 6 the vent is ______ inches. 8 2 ½ 3 The maximum length of a 2-inch 4 diameter trap arm is ______ inches. 6 30 8 42 60 The maximum length of the trap arm is 72 ______ inches. 120 30 42 The maximum length of a 1 ½ inch 60 diameter trap arm is ______ inches. 72 30 120 42 60 The minimum diameter sized vent for 72 this application is ______. 120 1 ¼ inch 1 ½ inch 2 inches 3 inches 4 inches The maximum length of a 3-inch Quiz 3 diameter trap arm is ______ inches. Vent piping be permitted to be 30 omitted on an interceptor where such 42 interceptor acts as a primary settling 60 tank and discharges through a 72 horizontal indirect waste pipe into a 120 secondary interceptor. True To avoid a possible blocked vent, use a False Sanitary Tee to connect the trap arm to a vertical drain/vent. Traps serving sinks that are part of the True equipment of soda fountains need not be vented if they can be discharged into an approved floor sink. True False
3 4 6 8 The minimum distance from a 4-inch trap arm to the vent is ______ inches. 2 ½ 3 4 6 8 The minimum distance from a 1 ½ inch trap arm to the vent is ______ inches. 2 ½ 3 4 6 8 The maximum length of a 2-inch diameter trap arm is ______ inches. 30 42 60 72 120 The maximum length of a 1 ½ inch diameter trap arm is ______ inches. 30 42 60 72 120 The maximum length of a 3-inch diameter trap arm is ______ inches. 30 42 60 72 120 To avoid a possible blocked vent, use a Sanitary Tee to connect the trap arm to a vertical drain/vent. True 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 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
2009%20UPC%20Chapter%209%20Vents%20Questions.docx