PHCC JOURNEYMAN PRACTICE EXAM
QUESTIONS WITH CORRECT ANSWERS
State Board of Examiners of Plumbers and Gas Fitters - ✔✔For buildings owned or
used by the Commonwealth of Massachusetts, a gas fitting permit shall be filed with:
Outside underground - ✔✔Plastic gas pipe fittings may only be used where:
12'' - ✔✔The change in diameter of a vent terminal shall be made by the use of an
increaser and occur no less than how far below the roof?
40,000 BTUs - ✔✔Unvented gas room heaters shall have a maximum BTU input of:
50' - ✔✔What is the maximum distance allowed between cleanouts in a 4'' horizontal
sanitary drain?
Category IV - ✔✔An appliance that operates with a positive vent static pressure and
with a vent gas temperature that can cause excessive condensation is defined as?
State Board of Examiners of Plumbing and Gas Fitters - ✔✔Who has the authority to
revoke a LP Installer's license?
Above the larger - ✔✔When two or more vents connectors enter a common gas vent or
chimney flue, the smaller of the two shall enter the vertical:
30'' - ✔✔When installing water piping to a specific fixture, said plumbing shall be full
size to within how many inches of the fixture itself?
Installed with a corrosion resistant tracer wire - ✔✔When installing plastic gas piping
outside underground it must be:
Shall not be used to vent another appliance - ✔✔The remaining space surrounding a
chimney liner, gas vent, special gas vent, or plastic piping installed within a masonry
chimney:
1 1/2 - ✔✔The inlet area of the strainer for a roof drain may not be less than _______
times the area of the conductor
10' - ✔✔Exposed PVC piping used for combustion air or discharge flue gases must be
labeled every:
, No - ✔✔Are you allowed to indirect waste a pre-rinse sink for a dishwasher in a
commercial kitchen?
6 Hours - ✔✔During a renewal cycle, Gas Fitters and Undiluted Liquefied Petroleum
Gas Installers must complete how many hours of continuing education?
It must be the same material as the gas pipe - ✔✔When installing a gas line
underground inside of a building, what is not required with the conduit installed around
the gas line?
6 to 9 - ✔✔The acceptance range for a ph adjustment tank in an acid neutralization
system is:
6' - ✔✔When installing a gas appliance on a roof, what is the minimum distance from
the appliance to the edge of the roof?
a ASME rating - ✔✔An electric water heater installed in a commercial application
having a storage capacity of over 120 gallons must have:
A proven low fire start - ✔✔Burners with the firing rate of 1,000,000 BTUs shall be
equipped with the following
7 years - ✔✔How long does an apprentice need to retain their W-2 forms after passing
the journeyman exam?
10 minutes - ✔✔Before a gas piping system is put into operation, it must be pressure
tested for a period of:
False - ✔✔T or F: You may install a trop on an indirect waste main:
10' - ✔✔When purging gas to an outside location from a piping system, how far away
from a source of ignition must the termination be?
110 degrees - ✔✔What is the maximum temperature allowed for a lavatory faucet in a
public restroom?
1/4'' per foot upward slop towards the vent or chimney - ✔✔A vent connector shall be
installed without any dips or sags and have a slop of:
1/8'' - ✔✔What is the minimum pitch per foot for a 4'' sanatory drain
90 days - ✔✔A plumbing permit would not be valid if the work is not started within how
many days?
over 5psi - ✔✔At what pressure does gas piping need to be welded at?
QUESTIONS WITH CORRECT ANSWERS
State Board of Examiners of Plumbers and Gas Fitters - ✔✔For buildings owned or
used by the Commonwealth of Massachusetts, a gas fitting permit shall be filed with:
Outside underground - ✔✔Plastic gas pipe fittings may only be used where:
12'' - ✔✔The change in diameter of a vent terminal shall be made by the use of an
increaser and occur no less than how far below the roof?
40,000 BTUs - ✔✔Unvented gas room heaters shall have a maximum BTU input of:
50' - ✔✔What is the maximum distance allowed between cleanouts in a 4'' horizontal
sanitary drain?
Category IV - ✔✔An appliance that operates with a positive vent static pressure and
with a vent gas temperature that can cause excessive condensation is defined as?
State Board of Examiners of Plumbing and Gas Fitters - ✔✔Who has the authority to
revoke a LP Installer's license?
Above the larger - ✔✔When two or more vents connectors enter a common gas vent or
chimney flue, the smaller of the two shall enter the vertical:
30'' - ✔✔When installing water piping to a specific fixture, said plumbing shall be full
size to within how many inches of the fixture itself?
Installed with a corrosion resistant tracer wire - ✔✔When installing plastic gas piping
outside underground it must be:
Shall not be used to vent another appliance - ✔✔The remaining space surrounding a
chimney liner, gas vent, special gas vent, or plastic piping installed within a masonry
chimney:
1 1/2 - ✔✔The inlet area of the strainer for a roof drain may not be less than _______
times the area of the conductor
10' - ✔✔Exposed PVC piping used for combustion air or discharge flue gases must be
labeled every:
, No - ✔✔Are you allowed to indirect waste a pre-rinse sink for a dishwasher in a
commercial kitchen?
6 Hours - ✔✔During a renewal cycle, Gas Fitters and Undiluted Liquefied Petroleum
Gas Installers must complete how many hours of continuing education?
It must be the same material as the gas pipe - ✔✔When installing a gas line
underground inside of a building, what is not required with the conduit installed around
the gas line?
6 to 9 - ✔✔The acceptance range for a ph adjustment tank in an acid neutralization
system is:
6' - ✔✔When installing a gas appliance on a roof, what is the minimum distance from
the appliance to the edge of the roof?
a ASME rating - ✔✔An electric water heater installed in a commercial application
having a storage capacity of over 120 gallons must have:
A proven low fire start - ✔✔Burners with the firing rate of 1,000,000 BTUs shall be
equipped with the following
7 years - ✔✔How long does an apprentice need to retain their W-2 forms after passing
the journeyman exam?
10 minutes - ✔✔Before a gas piping system is put into operation, it must be pressure
tested for a period of:
False - ✔✔T or F: You may install a trop on an indirect waste main:
10' - ✔✔When purging gas to an outside location from a piping system, how far away
from a source of ignition must the termination be?
110 degrees - ✔✔What is the maximum temperature allowed for a lavatory faucet in a
public restroom?
1/4'' per foot upward slop towards the vent or chimney - ✔✔A vent connector shall be
installed without any dips or sags and have a slop of:
1/8'' - ✔✔What is the minimum pitch per foot for a 4'' sanatory drain
90 days - ✔✔A plumbing permit would not be valid if the work is not started within how
many days?
over 5psi - ✔✔At what pressure does gas piping need to be welded at?
