MASSACHUSETTS
PLUMBERS
JOURNEYMAN EXAM
K
QUESTIONS WITH
C
VERIFIED SOLUTIONS
LO
ALL CORRECT
YC
D
U
ST
,A journeyman plumber 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"
2 inches
K
A journeyman plumber and apprentice are installing 3-inch floor drains in an
C
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
LO
freezing temperatures may be __________.
A)Increased to 4-inch B) Eliminated C) Wrapped with freeze protection cable D) Insulated
eliminated
YC
A journeyman plumber 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
D
the fixture.
A) 12 B) 6 C) 18 D) 3
U
6 inches
ST
What answer below shall 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
reduced pressure backflow preventer (RPBP)
,: What answer below shall be considered most correct to complete the following "Plumbing code
knowledge" related statement: The waste discharge from safe waste pans serving water heaters
or hot water storage tanks where there is _______ below and shall be piped indirectly to a
properly trapped and vented fixture.
A) People B) Occupancy C) Floors D) Plumbing connections
occupancy
GIVEN: A journeyman plumber and an apprentice, (who are employed by a master plumber),
K
are installing the sanitary DWV and water distribution system in a five-story residential
condominium complex. QUESTION: What answer below shall be considered most correct to
complete the following "Plumbing code knowledge" related statement: CPVC-(Chlorinated
C
Polyvinyl Chloride) pipe and fittings may be used provided that none of this material is located
within ____-inches of any connection to a hot water tank as defined in MGL. c. 142, § 17
LO
A) 12 B) 18 C) 20 D) 24 E) 30
24 inches
: A journeyman plumber and apprentice are roughing-in multiple fixtures in a new fitness center.
YC
The facility will include a juice bar, temporary daycare room, men's and women's toilet facilities
and men's and women's locker rooms. QUESTION: What answer below shall be considered
most correct to complete the following "Plumbing code knowledge" related statement: A
________-vent is a branch vent that serves two or more floor-outlet fixtures that are battery
wasted. The vent extends from the top of the horizontal soil and/or waste branch in front of the
last fixture waste and connects to a vent stack or stack vent that is adjacent to the down-stream
D
end of the horizontal branch.
A) Side B) Loop C) Relief D) Circuit
U
loop
ST
MATCH:
Elevated pressure
Flow designation
Ten P.S.I.G. or less
Less than 2-P.S.I
A) 3 P.S.I.G. or ten times
B) Inlet pressure
C) E.H.D.
D) Prof. Engineer
elevated pressure- d
flow designation-c
, Ten P.S.I.G. or less-a
Less than 2-P.S.I-b
N: A journeyman plumber is installing category-I gas appliances and equipment in the basement
of a building. A 120,000 BTU/hr. boiler and 40,000 BTU/hr. water heater are being installed.
QUESTION: What answer below shall be considered most correct to complete the following
"Gas code knowledge" related statement: The boiler requires a minimum of _____-cu. ft. of air
to support proper combustion
K
A) 2,400 cu. ft. B) 120 sq. in. C) 3,200 sq. ft. D) 800 cu. ft.
2,400 cu. ft. 120,000/50
C
) QUESTION: What answer below shall be considered most correct to complete the following
"Gas code knowledge" related statement: The code would require the gas vent penetrating the
LO
roof in-[FIGURE-TP-B-Q1-1A: GAS VENT SIZING] as identified at point-[A] to be not less than
______ above any portion of a building within 10-feet horizontally.
A) 24" B) 3-feet C) 30-inches D) Forty-two-inches
24
YC
In Massachusetts copper tubing and fittings may be used for natural gas piping
A) Provided that the tubing is type-k with flared fitting connections. B) When approved by the
authority having jurisdiction.
D
C) At interior locations only and not concealed.
D) If the gas contains no more than .03 grains of hydrogen sulfide per 100 cu. ft. of gas.
If the gas contains no more than .03 grains of hydrogen sulfide per 100 cu. ft. of gas
U
: A journeyman plumber and apprentice, who are employed by a master plumber, are installing
ST
a natural gas fired category-1 boiler and water heater to an interior, clay tile lined, masonry
chimney. When measured in compliance with the code the chimney "height" is 48-feet.
QUESTION: What answer below shall be considered most correct to complete the following
"Gas code knowledge" related statement: _____ is the maximum allowable amount of 6-inch
single wall metal vent connector material that may be installed horizontally to connect the boiler
and water heater to the chimney
A) 36-feet B) 50% of the chimney height C) 48-feet D) 9-feet
36 feet
PLUMBERS
JOURNEYMAN EXAM
K
QUESTIONS WITH
C
VERIFIED SOLUTIONS
LO
ALL CORRECT
YC
D
U
ST
,A journeyman plumber 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"
2 inches
K
A journeyman plumber and apprentice are installing 3-inch floor drains in an
C
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
LO
freezing temperatures may be __________.
A)Increased to 4-inch B) Eliminated C) Wrapped with freeze protection cable D) Insulated
eliminated
YC
A journeyman plumber 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
D
the fixture.
A) 12 B) 6 C) 18 D) 3
U
6 inches
ST
What answer below shall 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
reduced pressure backflow preventer (RPBP)
,: What answer below shall be considered most correct to complete the following "Plumbing code
knowledge" related statement: The waste discharge from safe waste pans serving water heaters
or hot water storage tanks where there is _______ below and shall be piped indirectly to a
properly trapped and vented fixture.
A) People B) Occupancy C) Floors D) Plumbing connections
occupancy
GIVEN: A journeyman plumber and an apprentice, (who are employed by a master plumber),
K
are installing the sanitary DWV and water distribution system in a five-story residential
condominium complex. QUESTION: What answer below shall be considered most correct to
complete the following "Plumbing code knowledge" related statement: CPVC-(Chlorinated
C
Polyvinyl Chloride) pipe and fittings may be used provided that none of this material is located
within ____-inches of any connection to a hot water tank as defined in MGL. c. 142, § 17
LO
A) 12 B) 18 C) 20 D) 24 E) 30
24 inches
: A journeyman plumber and apprentice are roughing-in multiple fixtures in a new fitness center.
YC
The facility will include a juice bar, temporary daycare room, men's and women's toilet facilities
and men's and women's locker rooms. QUESTION: What answer below shall be considered
most correct to complete the following "Plumbing code knowledge" related statement: A
________-vent is a branch vent that serves two or more floor-outlet fixtures that are battery
wasted. The vent extends from the top of the horizontal soil and/or waste branch in front of the
last fixture waste and connects to a vent stack or stack vent that is adjacent to the down-stream
D
end of the horizontal branch.
A) Side B) Loop C) Relief D) Circuit
U
loop
ST
MATCH:
Elevated pressure
Flow designation
Ten P.S.I.G. or less
Less than 2-P.S.I
A) 3 P.S.I.G. or ten times
B) Inlet pressure
C) E.H.D.
D) Prof. Engineer
elevated pressure- d
flow designation-c
, Ten P.S.I.G. or less-a
Less than 2-P.S.I-b
N: A journeyman plumber is installing category-I gas appliances and equipment in the basement
of a building. A 120,000 BTU/hr. boiler and 40,000 BTU/hr. water heater are being installed.
QUESTION: What answer below shall be considered most correct to complete the following
"Gas code knowledge" related statement: The boiler requires a minimum of _____-cu. ft. of air
to support proper combustion
K
A) 2,400 cu. ft. B) 120 sq. in. C) 3,200 sq. ft. D) 800 cu. ft.
2,400 cu. ft. 120,000/50
C
) QUESTION: What answer below shall be considered most correct to complete the following
"Gas code knowledge" related statement: The code would require the gas vent penetrating the
LO
roof in-[FIGURE-TP-B-Q1-1A: GAS VENT SIZING] as identified at point-[A] to be not less than
______ above any portion of a building within 10-feet horizontally.
A) 24" B) 3-feet C) 30-inches D) Forty-two-inches
24
YC
In Massachusetts copper tubing and fittings may be used for natural gas piping
A) Provided that the tubing is type-k with flared fitting connections. B) When approved by the
authority having jurisdiction.
D
C) At interior locations only and not concealed.
D) If the gas contains no more than .03 grains of hydrogen sulfide per 100 cu. ft. of gas.
If the gas contains no more than .03 grains of hydrogen sulfide per 100 cu. ft. of gas
U
: A journeyman plumber and apprentice, who are employed by a master plumber, are installing
ST
a natural gas fired category-1 boiler and water heater to an interior, clay tile lined, masonry
chimney. When measured in compliance with the code the chimney "height" is 48-feet.
QUESTION: What answer below shall be considered most correct to complete the following
"Gas code knowledge" related statement: _____ is the maximum allowable amount of 6-inch
single wall metal vent connector material that may be installed horizontally to connect the boiler
and water heater to the chimney
A) 36-feet B) 50% of the chimney height C) 48-feet D) 9-feet
36 feet
