PLUMBING JOURNEYMAN TEST EXAM
QUESTIONS AND ANSWERS GRADED A+
2025/2026
1 1/4" Trap Arm - ANS 2 1/2" min 30"max
1 1/2" trap arm - ANS 3" min 42" max
2" trap arm - ANS 4" min 60" max
3" trap arm - ANS 6" min 72" max
4" trap arm - ANS 8" min 120" max
4" + trap arm - ANS double diameter min 120" max
Maximum length of a fixture connector - ANS 30"
max length washer machine connector - ANS 72"
max length dishwasher/icemaker connector - ANS 120"
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, max length water heater connector - ANS 24"
Toilet clearances- side to side - ANS 15" center to wall 30" center to center
toilet clearance front - ANS 24"
lavatory clearance front - ANS 24"
urinal clearance side to side - ANS 12" center to side wall 24" center to center
Water fixture count bathtub/shower combo - ANS 4 fixture units
water fixture count clothes washer - ANS 4 fixture units
water fixture count dishwasher - ANS 1.5 fixture units
water fixture count hose bibb - ANS 2.5 for the first, 1 for each additional
water fixture count lavatory - ANS 1 fixture unit
water fixture count kitchen sink - ANS 1.5 fixture units
water fixture count laundry sink - ANS 1.5 fixture units
water fixture count shower - ANS 2 fixture units
water fixture count toilet - ANS 2.5 fixture units
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
QUESTIONS AND ANSWERS GRADED A+
2025/2026
1 1/4" Trap Arm - ANS 2 1/2" min 30"max
1 1/2" trap arm - ANS 3" min 42" max
2" trap arm - ANS 4" min 60" max
3" trap arm - ANS 6" min 72" max
4" trap arm - ANS 8" min 120" max
4" + trap arm - ANS double diameter min 120" max
Maximum length of a fixture connector - ANS 30"
max length washer machine connector - ANS 72"
max length dishwasher/icemaker connector - ANS 120"
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, max length water heater connector - ANS 24"
Toilet clearances- side to side - ANS 15" center to wall 30" center to center
toilet clearance front - ANS 24"
lavatory clearance front - ANS 24"
urinal clearance side to side - ANS 12" center to side wall 24" center to center
Water fixture count bathtub/shower combo - ANS 4 fixture units
water fixture count clothes washer - ANS 4 fixture units
water fixture count dishwasher - ANS 1.5 fixture units
water fixture count hose bibb - ANS 2.5 for the first, 1 for each additional
water fixture count lavatory - ANS 1 fixture unit
water fixture count kitchen sink - ANS 1.5 fixture units
water fixture count laundry sink - ANS 1.5 fixture units
water fixture count shower - ANS 2 fixture units
water fixture count toilet - ANS 2.5 fixture units
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.