plumbing exam questions with correct answers already
passed 2025
1. A journeyman plumber and an apprentice, who installing
are employed by a master plumber, are lab sinks
installing the DWV-system and water with
distribution system in a 2-½ story single family faucets
dwelling. QUESTION: What an- swer below shall that are
be considered most correct to com- plete the connected
following "Plumbing code knowledge" relat- ed to an acid
statement: A trap that serves a single shower waste
stall that is equipped with a hand shower, a system for-
rain head, and a standard shower head shall be (special
no less than hazardous
waste) in a
in minimum diameter med- ical
lab. What
A) 1-½" B) 2" C) 2-½" D) 3" answer
below shall
2. A journeyman plumber and apprentice are
be
installing 3-inch floor drains in an open-
considered
parking-garage that is subject to freezing
most
temperatures. QUESTION: What answer below
correct to
shall be considered most correct to
complete
complete the following "Plumbing code
the
knowledge" related statement: The installation
following
of traps at the floor drain locations which are
"Plumbing
found susceptible to freez- ing temperatures
code
may be .
knowledge
A) Increased to 4-inch B) Eliminated C) " related
Wrapped with freeze protection cable D) statement:
Insulated Vacuum
breakers
3. A journeyman plumber and apprentice are shall be
, plumbing exam questions with correct answers already
passed 2025
installed with the critical level at least -
2 inches
inches
eliminated
6 inches
, plumbing exam questions with correct answers already
passed 2025
above the flood level rim of the fixture they
serve and on the discharge side of the last
control valve to the fixture.
A) 12 B) 6 C) 18 D) 3
4. What answer below shall be considered most reduced pressure back-
cor-
rect to complete the following "Plumbing code knowl- flow
preventer (RPBP)
edge" related statement: No plumbing permit
shall be issued for cross connection
installations that require
until the application for a permit is
ac- companied by a letter of approval from the
Massachu- setts Department of Environmental
Protection or its designee.
A) RPBP B) A "critical level" height C)
Atmospheric vac- uum breakers D) Water
recycling systems
5. : What answer below shall be considered most 6. GIVEN: A
cor- rect to complete the following "Plumbing journeyma
code knowl- edge" related statement: The n plumber
waste discharge from safe waste pans serving and an
water heaters or hot water storage tanks apprentice,
where there is below and (who are
shall be piped indirectly to a properly trapped employed
and vented fixture. by a
master
A)People B) Occupancy C) Floors D) Plumbing plumber),
connec- tions
, plumbing exam questions with correct answers already
passed 2025
are in- stalling the sanitary DWV and water occupancy
distribution sys- tem in a five-story residential
condominium complex.
24 inches
passed 2025
1. A journeyman plumber and an apprentice, who installing
are employed by a master plumber, are lab sinks
installing the DWV-system and water with
distribution system in a 2-½ story single family faucets
dwelling. QUESTION: What an- swer below shall that are
be considered most correct to com- plete the connected
following "Plumbing code knowledge" relat- ed to an acid
statement: A trap that serves a single shower waste
stall that is equipped with a hand shower, a system for-
rain head, and a standard shower head shall be (special
no less than hazardous
waste) in a
in minimum diameter med- ical
lab. What
A) 1-½" B) 2" C) 2-½" D) 3" answer
below shall
2. A journeyman plumber and apprentice are
be
installing 3-inch floor drains in an open-
considered
parking-garage that is subject to freezing
most
temperatures. QUESTION: What answer below
correct to
shall be considered most correct to
complete
complete the following "Plumbing code
the
knowledge" related statement: The installation
following
of traps at the floor drain locations which are
"Plumbing
found susceptible to freez- ing temperatures
code
may be .
knowledge
A) Increased to 4-inch B) Eliminated C) " related
Wrapped with freeze protection cable D) statement:
Insulated Vacuum
breakers
3. A journeyman plumber and apprentice are shall be
, plumbing exam questions with correct answers already
passed 2025
installed with the critical level at least -
2 inches
inches
eliminated
6 inches
, plumbing exam questions with correct answers already
passed 2025
above the flood level rim of the fixture they
serve and on the discharge side of the last
control valve to the fixture.
A) 12 B) 6 C) 18 D) 3
4. What answer below shall be considered most reduced pressure back-
cor-
rect to complete the following "Plumbing code knowl- flow
preventer (RPBP)
edge" related statement: No plumbing permit
shall be issued for cross connection
installations that require
until the application for a permit is
ac- companied by a letter of approval from the
Massachu- setts Department of Environmental
Protection or its designee.
A) RPBP B) A "critical level" height C)
Atmospheric vac- uum breakers D) Water
recycling systems
5. : What answer below shall be considered most 6. GIVEN: A
cor- rect to complete the following "Plumbing journeyma
code knowl- edge" related statement: The n plumber
waste discharge from safe waste pans serving and an
water heaters or hot water storage tanks apprentice,
where there is below and (who are
shall be piped indirectly to a properly trapped employed
and vented fixture. by a
master
A)People B) Occupancy C) Floors D) Plumbing plumber),
connec- tions
, plumbing exam questions with correct answers already
passed 2025
are in- stalling the sanitary DWV and water occupancy
distribution sys- tem in a five-story residential
condominium complex.
24 inches
