JOURNEYMAN PLUMBER TEST EXAM
QUESTIONS AND ANSWERS
D. 18;42 -ANSStandpipes shall extend a maximum of _ inches and a minimum of _
inches above the trap.
A. 18;48
B. 42;18
C. 24;48
D. 18;42
4;4;4 -ANSCleanouts shall be the same nominal size as the pipe they connect to up to _
inches in size and for pipes larger than _ inches nominal size, the minimum size of the
cleanout shall be _.
Greater than 45 degrees; 40 feet -ANSCleanouts shall be installed at each change of
direction of the building drain or horizontal waste or soil lines which are _ and where
more than one change of direction occurs in a run of piping, only one cleanout shall be
required for each _ feet of developed length of drainage piping.
Owner or their agent. -ANSWho is responsible for the maintenance of a plumbing
system?
10 feet. -ANSThe maximum horizontal spacing between supports for cast-iron pipe in
10ft lengths is _.
Air gap or air break -ANSCommercial dishwashing machines shall discharge into the
drainage system indirectly through a _.
1-1/2" -ANSThe minimum size trap serving a shower shall not be less than _.
TFE -ANSJoints between borosilicate glass pipe and other types of piping materials
shall be made with adapters having a _ seal.
Soiled utility room -ANSIce makers must not be installed in a _.
0.25 inches -ANSFloor flanges for water closets manufactured of pvc must have a
minimum thickness of _.
Snap (chain) cutter -ANSWhat tool is best used to cut cast-iron pipe?
,Channel locks (Grove ring pliers) -ANSWhat is the most common tool used by a
plumber?
Search warrant -ANSWhat can be required of an OSHA inspector before he is allowed
to enter the jobsite?
1/2 inch -ANSYou 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 -ANSWhen 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. -ANSThe stack vent for a waste stack vent
system shall not be less than _________.
1-1/4 inches -ANSThe lavatory waste outlet shall not be less than _ in size.
Reduced pressure principle backflow preventer -ANSRPZ stands for _.
1/4 inch -ANSAll drainpipes from upstream fixture connected to a grease interceptor
shall have a minimum fall of _ inch per feet.
Increased one pipe size -ANSWhen a vent pipe exceeds 40 feet in developed length it
must be _.
30" x 30" -ANSThe minimum clear space in front of the controls of a water heater is _.
One -ANSWhen 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 -ANSWhen changing out a pump, you would determine the new
pump size by _.
Polyethylene or Polypropylene -ANSIf you are making a heat fusion connection, what
type of pipe are you working with?
L x W x H -ANSWhat math formula is used to determine cubic feet?
Approved adaptor -ANSWhat type of fitting would you use to connect ductile iron pipe to
pvc?
17 inches -ANSWhat is the maximum allowed height of the lip of a handicap urinal?
, $5,000.00 -ANSIf 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 -ANSA vacuum drainage system must be approved by the _
before they can installed.
Evaporation, siphonage, & capillary action -ANSA trap may lose its seal in what
manner?
Polyvinyl chloride -ANSPVC is the abbreviation for:
Chlorinated Polyvinyl Chloride -ANSCPVC is the abbreviation for:
Guards -ANSAppliances that require service and located within 10 feet of a roof edge
shall be protected by _.
In the reverse direction of flow -ANSWhat is the proper way to lay the cast-iron drainage
pipe hub?
Internally examined -ANSWhen replacing a entire building drainage system and the
existing building sewers and building drains under a slab will be reused, the existing
drainpipes shall be _ to verify they will function properly.
One -ANSThe number of fixtures that may be served by a single flush valve is?
Vented to the outdoors -ANSMP regulators located indoors not equipped with a leak-
limiting device shall be _.
Finished grade -ANSCleanouts installed below grade shall be brought up to _.
Accessible -ANSA water heater shall be located as to be _.
Hydrostatic -ANSWhich of the following test would you have to be concerned about
freezing temperatures?
1,000 -ANSWhen brazing a joint the filler metal used must have a melting point of not
less than _ degrees Fahrenheit.
0.125 inch -ANSFloor flanges for water closets manufactured of brass must have a
minimum thickness of _.
Request that the meter be replaced with a larger one and installed MP regulators for all
appliances. -ANSIf there were not sufficient gas pressure in the house, what would be
the most economical method to add an additional gas appliance to an existing piping
system?
QUESTIONS AND ANSWERS
D. 18;42 -ANSStandpipes shall extend a maximum of _ inches and a minimum of _
inches above the trap.
A. 18;48
B. 42;18
C. 24;48
D. 18;42
4;4;4 -ANSCleanouts shall be the same nominal size as the pipe they connect to up to _
inches in size and for pipes larger than _ inches nominal size, the minimum size of the
cleanout shall be _.
Greater than 45 degrees; 40 feet -ANSCleanouts shall be installed at each change of
direction of the building drain or horizontal waste or soil lines which are _ and where
more than one change of direction occurs in a run of piping, only one cleanout shall be
required for each _ feet of developed length of drainage piping.
Owner or their agent. -ANSWho is responsible for the maintenance of a plumbing
system?
10 feet. -ANSThe maximum horizontal spacing between supports for cast-iron pipe in
10ft lengths is _.
Air gap or air break -ANSCommercial dishwashing machines shall discharge into the
drainage system indirectly through a _.
1-1/2" -ANSThe minimum size trap serving a shower shall not be less than _.
TFE -ANSJoints between borosilicate glass pipe and other types of piping materials
shall be made with adapters having a _ seal.
Soiled utility room -ANSIce makers must not be installed in a _.
0.25 inches -ANSFloor flanges for water closets manufactured of pvc must have a
minimum thickness of _.
Snap (chain) cutter -ANSWhat tool is best used to cut cast-iron pipe?
,Channel locks (Grove ring pliers) -ANSWhat is the most common tool used by a
plumber?
Search warrant -ANSWhat can be required of an OSHA inspector before he is allowed
to enter the jobsite?
1/2 inch -ANSYou 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 -ANSWhen 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. -ANSThe stack vent for a waste stack vent
system shall not be less than _________.
1-1/4 inches -ANSThe lavatory waste outlet shall not be less than _ in size.
Reduced pressure principle backflow preventer -ANSRPZ stands for _.
1/4 inch -ANSAll drainpipes from upstream fixture connected to a grease interceptor
shall have a minimum fall of _ inch per feet.
Increased one pipe size -ANSWhen a vent pipe exceeds 40 feet in developed length it
must be _.
30" x 30" -ANSThe minimum clear space in front of the controls of a water heater is _.
One -ANSWhen 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 -ANSWhen changing out a pump, you would determine the new
pump size by _.
Polyethylene or Polypropylene -ANSIf you are making a heat fusion connection, what
type of pipe are you working with?
L x W x H -ANSWhat math formula is used to determine cubic feet?
Approved adaptor -ANSWhat type of fitting would you use to connect ductile iron pipe to
pvc?
17 inches -ANSWhat is the maximum allowed height of the lip of a handicap urinal?
, $5,000.00 -ANSIf 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 -ANSA vacuum drainage system must be approved by the _
before they can installed.
Evaporation, siphonage, & capillary action -ANSA trap may lose its seal in what
manner?
Polyvinyl chloride -ANSPVC is the abbreviation for:
Chlorinated Polyvinyl Chloride -ANSCPVC is the abbreviation for:
Guards -ANSAppliances that require service and located within 10 feet of a roof edge
shall be protected by _.
In the reverse direction of flow -ANSWhat is the proper way to lay the cast-iron drainage
pipe hub?
Internally examined -ANSWhen replacing a entire building drainage system and the
existing building sewers and building drains under a slab will be reused, the existing
drainpipes shall be _ to verify they will function properly.
One -ANSThe number of fixtures that may be served by a single flush valve is?
Vented to the outdoors -ANSMP regulators located indoors not equipped with a leak-
limiting device shall be _.
Finished grade -ANSCleanouts installed below grade shall be brought up to _.
Accessible -ANSA water heater shall be located as to be _.
Hydrostatic -ANSWhich of the following test would you have to be concerned about
freezing temperatures?
1,000 -ANSWhen brazing a joint the filler metal used must have a melting point of not
less than _ degrees Fahrenheit.
0.125 inch -ANSFloor flanges for water closets manufactured of brass must have a
minimum thickness of _.
Request that the meter be replaced with a larger one and installed MP regulators for all
appliances. -ANSIf there were not sufficient gas pressure in the house, what would be
the most economical method to add an additional gas appliance to an existing piping
system?
