SC Residential Builder Exam
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1. Permanently installed Correct Answer: Floor Drain
appliances shall not be
above or restrict access 2021 South Carolina Residential Code - P2719.1 - Floor drains - Floor
to _____. drains shall not be located under or have their access restricted by
Circulation Pump permanently installed appliances.
Overflow Outlet
Food-Waste Trap
Floor Drain
2. What is the minimum Correct Answer: 1"
nominal dimension for
air space between a 2021 South Carolina Residential Code - Table R703.8.4(1)- Tie Attach-
sheet metal veneer and ment and Airspace Requirements - Under the column 'Backing and
the wall sheathing? Tie' find 'Wood stud backing with corrugated sheet metal'. Follow it to
3/4" the 'Airspace' column = Nominal 1 in. between sheathing and veneer.
1"
1/4"
1/2"
3. The minimum width and Correct Answer: 31 x 12
depth for concrete and
masonry footings for a 2021 South Carolina Residential Code - TABLE R403.1(3) MINI-
3 story plus basement MUM WIDTH AND THICKNESS FOR CONCRETE FOOTINGS WITH
8-inch solid or fully grout- CAST-IN-PLACE CONCRETE OR PARTIALLY GROUTED MASONRY WALL
ed masonry construction CONSTRUCTION (inches)
dwelling where the soil
load bearing value is
1500 psf is inches. The
snow load or live roof
load is 30 psf.
25 x 8
30 x 10
, SC Residential Builder Exam
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31 x 12
14 x 6
4. Branch circuits for lumi- Correct Answer: 120 volts
naires or receptacles for
cord and plug loads of up 2021 South Carolina Residential Code - E3702.1 - Branch-circuit volt-
to 1400-volt amperes or age limitations - The voltage ratings of branch circuits that supply
less than ¼ hp are limit- luminaires or receptacles for cord-and-plug-connected loads of up
ed to a maximum rating to 1,400 voltamperes or of less than 1/4 horsepower (0.186 kW)
of ____ between conduc- shall be limited to a maximum rating of 120 volts, nominal, between
tors. conductors.
110 volts
120 volts
240 volts
320 volts
5. What is the sole purpose Correct Answer: To prevent cracks
for installing welded wire
mesh in a concrete slab? Contractors Guide to Quality Concrete Construction, 4th Edition - Page
To prevent adjacent slabs 126 - Reinforcement in a Slab - The welded wire reinforcement is
from separating then used to prevent the cracks that will occur between the joints from
To prevent cracks opening.
To improve tensile
strength
To provide load transfer
across a joint
6. For required braced wall Correct Answer: 48 inches
lines, if they have a length
of 16 feet or less they 2021 South Carolina Residential Code - R602.10.2.3 Minimum num-
must have a minimum of ber of braced wall panels.
two braced wall panels of
, SC Residential Builder Exam
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any length or one braced
wall panel equal to or
more.
16 inches
26 inches
48 inches
34 inches
7. Which mortar is used pri- Correct Answer: Type O
marily for interior walls?
Type M Carpentry and Building Construction - Page 279 - Mortar - Mortar
Type N Mixtures - Type O is a low-compressive-strength mortar used primar-
Type O ily for interior walls.
Type S
8. All receptacles shall be lo- Correct Answer: 25'
cated on the same lev-
el and within ____ of all 2021 South Carolina Residential Code - E3901.12 - HVAC outlet -
heating, air-conditioning A 125-volt, single-phase, 15- or 20- ampere-rated receptacle outlet
and refrigeration equip- shall be installed at an accessible location for the servicing of heating,
ment. air-conditioning and refrigeration equipment. The receptacle shall
25' be located on the same level and within 25 feet of the heating,
40' air-conditioning and refrigeration equipment.
20'
35'
9. What is required to Correct Answer: Lintel
support brick veneer
above openings in exteri- 2021 South Carolina Residential Code - R703.8.3 - Lintels - Masonry
or walls? veneer shall not support any vertical load other than the dead load
Lintel of the veneer above. Veneer above openings shall be supported on
Cladding lintels of noncombustible materials.
, SC Residential Builder Exam
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Girders
Pilaster
10. What is the minimum Correct Answer: 26
sheet metal gauge that
can be used for ducts 2021 South Carolina Residential Code - R302.5.2 Duct penetration.
in a garage and ducts
penetrating the walls
or ceilings separating
a dwelling from the
garage?
20
30
24
26
11. How far from the mason Correct Answer: 1/16"
line should the face of
the block wall stay to pre- Modern Masonry, 9th Edition - Page 268 - 13.3.5 Using A Mason's
vent moving the mason's Line - Laying block too close to the line (crowding) should be avoided.
line? Stay a line width (1/16") away from the line so you do not risk moving
5/8" the line.
1/4"
2"
1/16"
12. When an inspector is Correct Answer: Water
looking down a drain,
what should they see? Carpentry and Building Construction - Page 870 - The Plumbing
Water System - How a Trap Works - P-Traps prevent gases from entering the
Rubber gasket house. A small amount of water in the bottom of each trap serves as
a gas plug.
Study online at https://quizlet.com/_h2s5zr
1. Permanently installed Correct Answer: Floor Drain
appliances shall not be
above or restrict access 2021 South Carolina Residential Code - P2719.1 - Floor drains - Floor
to _____. drains shall not be located under or have their access restricted by
Circulation Pump permanently installed appliances.
Overflow Outlet
Food-Waste Trap
Floor Drain
2. What is the minimum Correct Answer: 1"
nominal dimension for
air space between a 2021 South Carolina Residential Code - Table R703.8.4(1)- Tie Attach-
sheet metal veneer and ment and Airspace Requirements - Under the column 'Backing and
the wall sheathing? Tie' find 'Wood stud backing with corrugated sheet metal'. Follow it to
3/4" the 'Airspace' column = Nominal 1 in. between sheathing and veneer.
1"
1/4"
1/2"
3. The minimum width and Correct Answer: 31 x 12
depth for concrete and
masonry footings for a 2021 South Carolina Residential Code - TABLE R403.1(3) MINI-
3 story plus basement MUM WIDTH AND THICKNESS FOR CONCRETE FOOTINGS WITH
8-inch solid or fully grout- CAST-IN-PLACE CONCRETE OR PARTIALLY GROUTED MASONRY WALL
ed masonry construction CONSTRUCTION (inches)
dwelling where the soil
load bearing value is
1500 psf is inches. The
snow load or live roof
load is 30 psf.
25 x 8
30 x 10
, SC Residential Builder Exam
Study online at https://quizlet.com/_h2s5zr
31 x 12
14 x 6
4. Branch circuits for lumi- Correct Answer: 120 volts
naires or receptacles for
cord and plug loads of up 2021 South Carolina Residential Code - E3702.1 - Branch-circuit volt-
to 1400-volt amperes or age limitations - The voltage ratings of branch circuits that supply
less than ¼ hp are limit- luminaires or receptacles for cord-and-plug-connected loads of up
ed to a maximum rating to 1,400 voltamperes or of less than 1/4 horsepower (0.186 kW)
of ____ between conduc- shall be limited to a maximum rating of 120 volts, nominal, between
tors. conductors.
110 volts
120 volts
240 volts
320 volts
5. What is the sole purpose Correct Answer: To prevent cracks
for installing welded wire
mesh in a concrete slab? Contractors Guide to Quality Concrete Construction, 4th Edition - Page
To prevent adjacent slabs 126 - Reinforcement in a Slab - The welded wire reinforcement is
from separating then used to prevent the cracks that will occur between the joints from
To prevent cracks opening.
To improve tensile
strength
To provide load transfer
across a joint
6. For required braced wall Correct Answer: 48 inches
lines, if they have a length
of 16 feet or less they 2021 South Carolina Residential Code - R602.10.2.3 Minimum num-
must have a minimum of ber of braced wall panels.
two braced wall panels of
, SC Residential Builder Exam
Study online at https://quizlet.com/_h2s5zr
any length or one braced
wall panel equal to or
more.
16 inches
26 inches
48 inches
34 inches
7. Which mortar is used pri- Correct Answer: Type O
marily for interior walls?
Type M Carpentry and Building Construction - Page 279 - Mortar - Mortar
Type N Mixtures - Type O is a low-compressive-strength mortar used primar-
Type O ily for interior walls.
Type S
8. All receptacles shall be lo- Correct Answer: 25'
cated on the same lev-
el and within ____ of all 2021 South Carolina Residential Code - E3901.12 - HVAC outlet -
heating, air-conditioning A 125-volt, single-phase, 15- or 20- ampere-rated receptacle outlet
and refrigeration equip- shall be installed at an accessible location for the servicing of heating,
ment. air-conditioning and refrigeration equipment. The receptacle shall
25' be located on the same level and within 25 feet of the heating,
40' air-conditioning and refrigeration equipment.
20'
35'
9. What is required to Correct Answer: Lintel
support brick veneer
above openings in exteri- 2021 South Carolina Residential Code - R703.8.3 - Lintels - Masonry
or walls? veneer shall not support any vertical load other than the dead load
Lintel of the veneer above. Veneer above openings shall be supported on
Cladding lintels of noncombustible materials.
, SC Residential Builder Exam
Study online at https://quizlet.com/_h2s5zr
Girders
Pilaster
10. What is the minimum Correct Answer: 26
sheet metal gauge that
can be used for ducts 2021 South Carolina Residential Code - R302.5.2 Duct penetration.
in a garage and ducts
penetrating the walls
or ceilings separating
a dwelling from the
garage?
20
30
24
26
11. How far from the mason Correct Answer: 1/16"
line should the face of
the block wall stay to pre- Modern Masonry, 9th Edition - Page 268 - 13.3.5 Using A Mason's
vent moving the mason's Line - Laying block too close to the line (crowding) should be avoided.
line? Stay a line width (1/16") away from the line so you do not risk moving
5/8" the line.
1/4"
2"
1/16"
12. When an inspector is Correct Answer: Water
looking down a drain,
what should they see? Carpentry and Building Construction - Page 870 - The Plumbing
Water System - How a Trap Works - P-Traps prevent gases from entering the
Rubber gasket house. A small amount of water in the bottom of each trap serves as
a gas plug.
