JOURNEYMAN PLUMBER TEST 2026/2027
QUESTIONS AND CORRECT ANSWERS
GRADED A+
Search warrant
What can be required of an OSHA inspector before he is allowed to enter the
jobsite?
1/2 inch
You install a parallel water distribution system with a pressure of 40 psi at the
meter. The supply line to the kitchen sink has a length of 62 ft. The minimum size
of a water supply line for the sink is _____.
36 inches
When installing a drainpipe 36 inches, measured horizontally, from the bottom of
the footing for a building. The maximum distance you can dig down below the
footing to install the pipe is _.
The size of the stack it's connected to.
The stack vent for a waste stack vent system shall not be less than _________.
,1-1/4 inches
The lavatory waste outlet shall not be less than _ in size.
Reduced pressure principle backflow preventer
RPZ stands for _.
1/4 inch
All drainpipes from upstream fixture connected to a grease interceptor shall have a
minimum fall of _ inch per feet.
Increased one pipe size
When a vent pipe exceeds 40 feet in developed length it must be _.
30" x 30"
The minimum clear space in front of the controls of a water heater is _.
One
When the occupant load of an office building requires that three drinking fountains
be installed, you can install how many water dispensers?
,Rating on the label
When changing out a pump, you would determine the new pump size by _.
Polyethylene or Polypropylene
If you are making a heat fusion connection, what type of pipe are you working
with?
LxWxH
What math formula is used to determine cubic feet?
Approved adaptor
What type of fitting would you use to connect ductile iron pipe to pvc?
17 inches
What is the maximum allowed height of the lip of a handicap urinal?
$5,000.00
If you were paid $5.00 per cubic foot of dirt removed from a ditch 100 feet long, 2
feet wide and 5 feet deep how much money would you receive?
, Local building official
A vacuum drainage system must be approved by the _ before they can installed.
Evaporation, siphonage, & capillary action
A trap may lose its seal in what manner?
Polyvinyl chloride
PVC is the abbreviation for:
Chlorinated Polyvinyl Chloride
CPVC is the abbreviation for:
Guards
Appliances that require service and located within 10 feet of a roof edge shall be
protected by _.
D. 18;42
Standpipes shall extend a maximum of _ inches and a minimum of _ inches above
the trap.
A. 18;48
B. 42;18
C. 24;48
QUESTIONS AND CORRECT ANSWERS
GRADED A+
Search warrant
What can be required of an OSHA inspector before he is allowed to enter the
jobsite?
1/2 inch
You install a parallel water distribution system with a pressure of 40 psi at the
meter. The supply line to the kitchen sink has a length of 62 ft. The minimum size
of a water supply line for the sink is _____.
36 inches
When installing a drainpipe 36 inches, measured horizontally, from the bottom of
the footing for a building. The maximum distance you can dig down below the
footing to install the pipe is _.
The size of the stack it's connected to.
The stack vent for a waste stack vent system shall not be less than _________.
,1-1/4 inches
The lavatory waste outlet shall not be less than _ in size.
Reduced pressure principle backflow preventer
RPZ stands for _.
1/4 inch
All drainpipes from upstream fixture connected to a grease interceptor shall have a
minimum fall of _ inch per feet.
Increased one pipe size
When a vent pipe exceeds 40 feet in developed length it must be _.
30" x 30"
The minimum clear space in front of the controls of a water heater is _.
One
When the occupant load of an office building requires that three drinking fountains
be installed, you can install how many water dispensers?
,Rating on the label
When changing out a pump, you would determine the new pump size by _.
Polyethylene or Polypropylene
If you are making a heat fusion connection, what type of pipe are you working
with?
LxWxH
What math formula is used to determine cubic feet?
Approved adaptor
What type of fitting would you use to connect ductile iron pipe to pvc?
17 inches
What is the maximum allowed height of the lip of a handicap urinal?
$5,000.00
If you were paid $5.00 per cubic foot of dirt removed from a ditch 100 feet long, 2
feet wide and 5 feet deep how much money would you receive?
, Local building official
A vacuum drainage system must be approved by the _ before they can installed.
Evaporation, siphonage, & capillary action
A trap may lose its seal in what manner?
Polyvinyl chloride
PVC is the abbreviation for:
Chlorinated Polyvinyl Chloride
CPVC is the abbreviation for:
Guards
Appliances that require service and located within 10 feet of a roof edge shall be
protected by _.
D. 18;42
Standpipes shall extend a maximum of _ inches and a minimum of _ inches above
the trap.
A. 18;48
B. 42;18
C. 24;48
