plumbing exam questions with answers
1. 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 con- sidered 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
2. A journeyman plumber 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 follow- ing
"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: eliminated
3. 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 break- ers 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: 6 inches
4. What
answer below shall be considered most correct to complete the follow- ing "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)
5. : What answer below shall be considered most correct to complete
the fol- lowing "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
6. GIVEN: A journeyman plumber and an apprentice, (who are employed by a master
plumber), 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 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
A) 12 B) 18 C) 20 D) 24 E) 30: 24 inches
7. : A journeyman plumber and apprentice are roughing-in multiple fixtures in a new
, fitness center. 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 end of the horizontal branch.
A) Side B) Loop C) Relief D) Circuit: loop
1. 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 con- sidered 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
2. A journeyman plumber 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 follow- ing
"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: eliminated
3. 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 break- ers 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: 6 inches
4. What
answer below shall be considered most correct to complete the follow- ing "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)
5. : What answer below shall be considered most correct to complete
the fol- lowing "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
6. GIVEN: A journeyman plumber and an apprentice, (who are employed by a master
plumber), 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 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
A) 12 B) 18 C) 20 D) 24 E) 30: 24 inches
7. : A journeyman plumber and apprentice are roughing-in multiple fixtures in a new
, fitness center. 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 end of the horizontal branch.
A) Side B) Loop C) Relief D) Circuit: loop
