Plumbing Journeyman Test Questions With Complete Solutions

1 1/4" Trap Arm correct answer: 2 1/2" min 30"max 1 1/2" trap arm correct answer: 3" min 42" max 2" trap arm correct answer: 4" min 60" max 3" trap arm correct answer: 6" min 72" max 4" trap arm correct answer: 8" min 120" max 4" + trap arm correct answer: double diameter min 120" max Maximum length of a fixture connector correct answer: 30" max length washer machine connector correct answer: 72" max length dishwasher/icemaker connector correct answer: 120" max length water heater connector correct answer: 24" Toilet clearances- side to side correct answer: 15" center to wall 30" center to center toilet clearance front correct answer: 24" lavatory clearance front correct answer: 24" urinal clearance side to side correct answer: 12" center to side wall 24" center to center Water fixture count bathtub/shower combo correct answer: 4 fixture units water fixture count clothes washer correct answer: 4 fixture units water fixture count dishwasher correct answer: 1.5 fixture units water fixture count hose bibb correct answer: 2.5 for the first, 1 for each additional water fixture count lavatory correct answer: 1 fixture unit water fixture count kitchen sink correct answer: 1.5 fixture units water fixture count laundry sink correct answer: 1.5 fixture units water fixture count shower correct answer: 2 fixture units water fixture count toilet correct answer: 2.5 fixture units drainage fixture count bathtub/shower combo correct answer: 2 fixture units drainage fixture count clothes washer correct answer: 3 fixture units drainage fixture count dishwasher correct answer: 2 fixture units drainage fixture count shower correct answer: 2 fixture units drainage fixture count lavatory correct answer: 1 fixture unit