Science Engineering Electrical Engineering
PLUMBING LEVEL 3 EXAM 2024-2025 ACTUAL
EXAM 60 QUESTIONS AND CORRECT DETAILED
ANSWERS |ALREADY GRADED A
Leave the first rating
Terms in this set (127)
A journeyman plumber 2 inches
and an apprentice, who
are employed by a
master plumber, are
installing the DWV-
system and water
distribution system in a 2-
½ story single family
dwelling. QUESTION:
What answer below shall
be considered most
correct to complete the
following "Plumbing
code knowledge" related
statement: A trap that
serves a single shower
stall that is equipped with
a hand shower, a rain
head, and a standard
shower head shall be no
less than ________ in
minimum diameter
A) 1-½" B) 2" C) 2-½" D) 3"
,A journeyman plumber eliminated
and apprentice are
installing 3-inch floor
drains in an open-
parking-garage that is
subject to freezing
temperatures.
QUESTION: What answer
below shall be
considered most correct
to complete the
following "Plumbing
code knowledge" related
statement: The
installation of traps at the
floor drain locations
which are found
susceptible to freezing
temperatures may be
__________.
A)Increased to 4-inch B)
Eliminated C) Wrapped
with freeze protection
cable D) Insulated
,A journeyman plumber 6 inches
and apprentice are
installing lab sinks with
faucets that are
connected to an acid
waste system for-(special
hazardous waste) in a
medical lab. What answer
below shall be
considered most correct
to complete the
following "Plumbing
code knowledge" related
statement: Vacuum
breakers shall be
installed with the critical
level at least _____-inches
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
, What answer below shall reduced pressure backflow preventer (RPBP)
be considered most
correct to complete the
following "Plumbing
code knowledge" related
statement: No plumbing
permit shall be issued for
cross connection
installations that require
______________ until the
application for a permit is
accompanied by a letter
of approval from the
Massachusetts
Department of
Environmental Protection
or its designee.
A) RPBP B) A "critical
level" height C)
Atmospheric vacuum
breakers D) Water
recycling systems
PLUMBING LEVEL 3 EXAM 2024-2025 ACTUAL
EXAM 60 QUESTIONS AND CORRECT DETAILED
ANSWERS |ALREADY GRADED A
Leave the first rating
Terms in this set (127)
A journeyman plumber 2 inches
and an apprentice, who
are employed by a
master plumber, are
installing the DWV-
system and water
distribution system in a 2-
½ story single family
dwelling. QUESTION:
What answer below shall
be considered most
correct to complete the
following "Plumbing
code knowledge" related
statement: A trap that
serves a single shower
stall that is equipped with
a hand shower, a rain
head, and a standard
shower head shall be no
less than ________ in
minimum diameter
A) 1-½" B) 2" C) 2-½" D) 3"
,A journeyman plumber eliminated
and apprentice are
installing 3-inch floor
drains in an open-
parking-garage that is
subject to freezing
temperatures.
QUESTION: What answer
below shall be
considered most correct
to complete the
following "Plumbing
code knowledge" related
statement: The
installation of traps at the
floor drain locations
which are found
susceptible to freezing
temperatures may be
__________.
A)Increased to 4-inch B)
Eliminated C) Wrapped
with freeze protection
cable D) Insulated
,A journeyman plumber 6 inches
and apprentice are
installing lab sinks with
faucets that are
connected to an acid
waste system for-(special
hazardous waste) in a
medical lab. What answer
below shall be
considered most correct
to complete the
following "Plumbing
code knowledge" related
statement: Vacuum
breakers shall be
installed with the critical
level at least _____-inches
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
, What answer below shall reduced pressure backflow preventer (RPBP)
be considered most
correct to complete the
following "Plumbing
code knowledge" related
statement: No plumbing
permit shall be issued for
cross connection
installations that require
______________ until the
application for a permit is
accompanied by a letter
of approval from the
Massachusetts
Department of
Environmental Protection
or its designee.
A) RPBP B) A "critical
level" height C)
Atmospheric vacuum
breakers D) Water
recycling systems
