Georgia Residential Basic Contractor
Examination Questions And Correct
Answers (Verified Answers) Plus
Rationale 2026 Q&A| Instant Download
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1. What is the primary function of footings in a residential foundation?
A. To provide insulation
B. To distribute building loads to the soil
C. To prevent moisture intrusion
D. To act as a vapor barrier
Rationale: Footings spread the load of the structure to the soil below
to prevent settlement.
2. Which type of concrete reinforcement is most commonly used to
control cracking?
A. Fiber mesh only
B. Steel rebar
C. Wood strips
D. Plastic sheeting
Rationale: Steel reinforcement provides tensile strength to concrete,
reducing cracking.
3. In masonry construction, what is the purpose of a control joint?
A. To improve aesthetics
B. To increase wall thickness
C. To allow for expansion and contraction
D. To support additional loads
, Rationale: Control joints accommodate movement in masonry to
prevent unintended cracking.
4. What is the typical spacing for roof rafters in residential framing?
A. 24 inches on center
B. 16 inches on center
C. 48 inches on center
D. 8 inches on center
Rationale: 16″ OC is standard for roof framing with typical loads and
materials.
5. According to the IRC, what is the minimum ceiling height for habitable
rooms?
A. 6 feet 8 inches
B. 7 feet 0 inches
C. 7 feet 6 inches
D. 8 feet 0 inches
Rationale: IRC specifies a minimum 7 ft ceiling height in habitable
spaces.
6. Which OSHA regulation covers construction safety standards?
A. Part 1910
B. Part 1926
C. Part 1904
D. Part 1960
Rationale: OSHA Part 1926 specifically addresses construction
industry safety.
7. What does “plumb” mean in carpentry?
A. Level
B. Vertical
C. Horizontal
D. Diagonal
Rationale: Plumb refers to a perfectly vertical line or surface.
8. Flashing in roofing is used to:
A. Improve ventilation
B. Increase insulation
C. Prevent water infiltration
D. Support shingles
, Rationale: Flashing directs water away from vulnerable
intersections.
9. What is a common purpose of a vapor barrier in exterior walls?
A. Increase structural strength
B. Reduce moisture migration
C. Improve electrical safety
D. Support finishes
Rationale: Vapor barriers help control moisture movement into wall
cavities.
10. Which tool is best for checking level surfaces?
A. Tape measure
B. Spirit level
C. Hammer
D. Chalk line
Rationale: A spirit level shows horizontal or vertical alignment.
11. What is the primary purpose of building codes?
A. To reduce material costs
B. To protect public health, safety, and welfare
C. To promote aesthetics
D. To shorten construction time
Rationale: Building codes ensure safety, health, and structural
integrity.
12. Which foundation type is best for areas with expansive soils?
A. Slab-on-grade
B. Pier and beam
C. Floating slab
D. Dry-stacked block
Rationale: Pier and beam allows movement without cracking a rigid
slab.
13. The minimum slope for a low-slope roof is typically:
A. 1/2:12
B. 1/4:12
C. 4:12
D. 8:12
Examination Questions And Correct
Answers (Verified Answers) Plus
Rationale 2026 Q&A| Instant Download
1. What is the primary function of footings in a residential foundation?
A. To provide insulation
B. To distribute building loads to the soil
C. To prevent moisture intrusion
D. To act as a vapor barrier
Rationale: Footings spread the load of the structure to the soil below
to prevent settlement.
2. Which type of concrete reinforcement is most commonly used to
control cracking?
A. Fiber mesh only
B. Steel rebar
C. Wood strips
D. Plastic sheeting
Rationale: Steel reinforcement provides tensile strength to concrete,
reducing cracking.
3. In masonry construction, what is the purpose of a control joint?
A. To improve aesthetics
B. To increase wall thickness
C. To allow for expansion and contraction
D. To support additional loads
, Rationale: Control joints accommodate movement in masonry to
prevent unintended cracking.
4. What is the typical spacing for roof rafters in residential framing?
A. 24 inches on center
B. 16 inches on center
C. 48 inches on center
D. 8 inches on center
Rationale: 16″ OC is standard for roof framing with typical loads and
materials.
5. According to the IRC, what is the minimum ceiling height for habitable
rooms?
A. 6 feet 8 inches
B. 7 feet 0 inches
C. 7 feet 6 inches
D. 8 feet 0 inches
Rationale: IRC specifies a minimum 7 ft ceiling height in habitable
spaces.
6. Which OSHA regulation covers construction safety standards?
A. Part 1910
B. Part 1926
C. Part 1904
D. Part 1960
Rationale: OSHA Part 1926 specifically addresses construction
industry safety.
7. What does “plumb” mean in carpentry?
A. Level
B. Vertical
C. Horizontal
D. Diagonal
Rationale: Plumb refers to a perfectly vertical line or surface.
8. Flashing in roofing is used to:
A. Improve ventilation
B. Increase insulation
C. Prevent water infiltration
D. Support shingles
, Rationale: Flashing directs water away from vulnerable
intersections.
9. What is a common purpose of a vapor barrier in exterior walls?
A. Increase structural strength
B. Reduce moisture migration
C. Improve electrical safety
D. Support finishes
Rationale: Vapor barriers help control moisture movement into wall
cavities.
10. Which tool is best for checking level surfaces?
A. Tape measure
B. Spirit level
C. Hammer
D. Chalk line
Rationale: A spirit level shows horizontal or vertical alignment.
11. What is the primary purpose of building codes?
A. To reduce material costs
B. To protect public health, safety, and welfare
C. To promote aesthetics
D. To shorten construction time
Rationale: Building codes ensure safety, health, and structural
integrity.
12. Which foundation type is best for areas with expansive soils?
A. Slab-on-grade
B. Pier and beam
C. Floating slab
D. Dry-stacked block
Rationale: Pier and beam allows movement without cracking a rigid
slab.
13. The minimum slope for a low-slope roof is typically:
A. 1/2:12
B. 1/4:12
C. 4:12
D. 8:12
