TIER 3 EXAM 1(BUILDING INSPECTION)
2024-2025 EDITION. ALL QUESTIONS &
CORRECT ANSWERS. GRADED A+
A "drinking fountain" is provided with a device defined as a _______ to
provide an orifice elevation to assist in protecting the water supply
A. Backflow preventer
B. Stream projector
C. Atmospheric vacuum breaker
D. Check valve - ANSStream projector
A commercial building renovation project requires the plumber/gasfitter to
alter-(by cutting into) a 2-1/2" active gas main. The developed length of the
main is 75-feet. A 2-½-inch by 2-inch tee-(the 2" branch for new equipment)
is to be installed. The gas is turned-off, so work can proceed.
Prior to cutting into the main _______
A. The local fire department is to be notified
B. The contents of the main are to be pressure purged to an outside
location
C. An electronic testing device shall be used to determine there is no
residual gas in the main
D. The pipe must be cut with an approved steel pipe cutter - ANSB. The
contents of the main are to be pressure purged to an outside location
,A journeyman and apprentice plumber are completing the rough gas
connections in a commercial warehouse. The low-pressure gas system
install employs the use of schedule 40 black steel with threaded and
welded joint connections. The piping that has been used ranges in sizes
from ½" to 4-inch.
The circumference of a schedule-40 black steel gas pipe with an I.D. of 3-
inch and O.D. of 3.5 is approximately
A. 9.62"'
B. 9.42"
C. 7.06"
D. 11" - ANSD. 11"
A journeyman plumber and apprentice are adding to a natural gas piping
system in a residential condominium complex that is being renovated. The
licensee shall check the existing piping in the building to determine whether
it has adequate capacity.
Where the capacity is inadequate, the existing system shall be enlarged as
necessary, or separate gas piping of adequate capacity shall be run from
the _______ to the appliance. - ANSPoint of delivery
A journeyman plumber and apprentice are completing the finish plumbing
and gas connections for plumbing fixtures and gas equipment that are
being installed in a restaurant.
,Commercial dishwashing machines that discharge by gravity shall be
indirectly connected, except when the machine is located above or within
_______ feet of a trapped floor drain, the waste may be connected directly
to the inlet side of a properly vented floor drain trap.
A. 2
B. 3
C. 5
D. 10 - ANSC. 5
A journeyman plumber and apprentice are completing the finish plumbing
and gas connections for plumbing fixtures and gas equipment that are
being installed in a restaurant.
True or False: In restaurants, pubs, and nightclubs where the total
combined number of employees and patrons that can be accommodated at
any one time is 20 individuals and the total gross space is more than 2,000
square feet, one gender neutral, handicapped accessible toilet facility for
use by both employees and the patrons shall meet the minimum fixture
requirements - ANSFalse
A journeyman plumber and apprentice are completing the finish plumbing
connections in core toilet facilities in a two-story office building. Note:
Drinking fountains are required per each set of restrooms.
, True or False: Wherever drinking fountains are provided, a drinking
fountain shall be accessible to the physically impaired - ANSTrue
A journeyman plumber and apprentice are completing the rough and finish
gas connections on a roof of a new warehouse condominium facility using.
1-1/2" and 2" corrugated-stainless-steel-tubing.
The CSST being installed by the journeyman plumber and apprentice shall
be supported on blocks which are spaced not more than ____ apart.
A. 36 inches
B. 4 feet
C. 32 inches
D. 2 feet - ANSB. 4 feet
A journeyman plumber and apprentice are completing the rough and finish
gas connections on a roof of a new warehouse condominium facility using.
1-1/2" and 2" corrugated-stainless-steel-tubing.
The maximum length of any CST being installed by the journeyman
plumber and apprentice not supported by any method listed shall not
exceed ______ inches when connected to a gas fired roof top unit or
similar gas equipment
A. 18
B. 24
C. 30
2024-2025 EDITION. ALL QUESTIONS &
CORRECT ANSWERS. GRADED A+
A "drinking fountain" is provided with a device defined as a _______ to
provide an orifice elevation to assist in protecting the water supply
A. Backflow preventer
B. Stream projector
C. Atmospheric vacuum breaker
D. Check valve - ANSStream projector
A commercial building renovation project requires the plumber/gasfitter to
alter-(by cutting into) a 2-1/2" active gas main. The developed length of the
main is 75-feet. A 2-½-inch by 2-inch tee-(the 2" branch for new equipment)
is to be installed. The gas is turned-off, so work can proceed.
Prior to cutting into the main _______
A. The local fire department is to be notified
B. The contents of the main are to be pressure purged to an outside
location
C. An electronic testing device shall be used to determine there is no
residual gas in the main
D. The pipe must be cut with an approved steel pipe cutter - ANSB. The
contents of the main are to be pressure purged to an outside location
,A journeyman and apprentice plumber are completing the rough gas
connections in a commercial warehouse. The low-pressure gas system
install employs the use of schedule 40 black steel with threaded and
welded joint connections. The piping that has been used ranges in sizes
from ½" to 4-inch.
The circumference of a schedule-40 black steel gas pipe with an I.D. of 3-
inch and O.D. of 3.5 is approximately
A. 9.62"'
B. 9.42"
C. 7.06"
D. 11" - ANSD. 11"
A journeyman plumber and apprentice are adding to a natural gas piping
system in a residential condominium complex that is being renovated. The
licensee shall check the existing piping in the building to determine whether
it has adequate capacity.
Where the capacity is inadequate, the existing system shall be enlarged as
necessary, or separate gas piping of adequate capacity shall be run from
the _______ to the appliance. - ANSPoint of delivery
A journeyman plumber and apprentice are completing the finish plumbing
and gas connections for plumbing fixtures and gas equipment that are
being installed in a restaurant.
,Commercial dishwashing machines that discharge by gravity shall be
indirectly connected, except when the machine is located above or within
_______ feet of a trapped floor drain, the waste may be connected directly
to the inlet side of a properly vented floor drain trap.
A. 2
B. 3
C. 5
D. 10 - ANSC. 5
A journeyman plumber and apprentice are completing the finish plumbing
and gas connections for plumbing fixtures and gas equipment that are
being installed in a restaurant.
True or False: In restaurants, pubs, and nightclubs where the total
combined number of employees and patrons that can be accommodated at
any one time is 20 individuals and the total gross space is more than 2,000
square feet, one gender neutral, handicapped accessible toilet facility for
use by both employees and the patrons shall meet the minimum fixture
requirements - ANSFalse
A journeyman plumber and apprentice are completing the finish plumbing
connections in core toilet facilities in a two-story office building. Note:
Drinking fountains are required per each set of restrooms.
, True or False: Wherever drinking fountains are provided, a drinking
fountain shall be accessible to the physically impaired - ANSTrue
A journeyman plumber and apprentice are completing the rough and finish
gas connections on a roof of a new warehouse condominium facility using.
1-1/2" and 2" corrugated-stainless-steel-tubing.
The CSST being installed by the journeyman plumber and apprentice shall
be supported on blocks which are spaced not more than ____ apart.
A. 36 inches
B. 4 feet
C. 32 inches
D. 2 feet - ANSB. 4 feet
A journeyman plumber and apprentice are completing the rough and finish
gas connections on a roof of a new warehouse condominium facility using.
1-1/2" and 2" corrugated-stainless-steel-tubing.
The maximum length of any CST being installed by the journeyman
plumber and apprentice not supported by any method listed shall not
exceed ______ inches when connected to a gas fired roof top unit or
similar gas equipment
A. 18
B. 24
C. 30
