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