General Building Contractor Exam
Practice Test Questions And Correct
Answers (Verified Answers) Plus
Rationales 2025|2026 Q&A | Instant
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1. What is the primary purpose of building codes?
a) To increase construction costs
b) To set architectural design standards
c) To ensure safety, health, and welfare
d) To regulate property values
Building codes exist to protect public health, safety, and general
welfare through structural, fire, and environmental requirements.
2. Which type of drawing shows the relationship of a building to its site?
a) Elevation
b) Section
, c) Floor plan
d) Site plan
Site plans illustrate the building location, orientation, and surrounding
property details.
3. Portland cement concrete typically gains most of its strength within:
a) 3 days
b) 7 days
c) 28 days
d) 90 days
Concrete is conventionally tested at 28 days, when it has reached most
of its designed compressive strength.
4. Which tool is best for checking vertical alignment of a wall?
a) Chalk line
b) Plumb bob
c) Level rod
d) Transit
A plumb bob is specifically used for vertical alignment checks.
5. The minimum slope for a 4-inch diameter gravity sewer line is
generally:
a) 1/8 inch per foot
b) 1/4 inch per foot
c) 1/2 inch per foot
d) Level
, Most codes require a minimum of 1/4 inch per foot slope for small-
diameter sewer lines for proper flow.
6. Which construction contract type places the most risk on the
contractor?
a) Cost plus fee
b) Lump sum (fixed price)
c) Unit price
d) Time and material
Lump sum contracts fix the cost, leaving the contractor responsible for
overruns.
7. In masonry, mortar joints should generally be how thick?
a) 1/16 inch
b) 1/8 inch
c) 3/8 inch
d) 1 inch
Standard mortar joints are around 3/8 inch thick for proper bonding
and alignment.
8. The purpose of a footing in building construction is to:
a) Support the roof
b) Reinforce the walls
c) Distribute loads to the soil
d) Provide insulation
Footings spread structural loads to the soil to prevent settlement.
Practice Test Questions And Correct
Answers (Verified Answers) Plus
Rationales 2025|2026 Q&A | Instant
Download Pdf
1. What is the primary purpose of building codes?
a) To increase construction costs
b) To set architectural design standards
c) To ensure safety, health, and welfare
d) To regulate property values
Building codes exist to protect public health, safety, and general
welfare through structural, fire, and environmental requirements.
2. Which type of drawing shows the relationship of a building to its site?
a) Elevation
b) Section
, c) Floor plan
d) Site plan
Site plans illustrate the building location, orientation, and surrounding
property details.
3. Portland cement concrete typically gains most of its strength within:
a) 3 days
b) 7 days
c) 28 days
d) 90 days
Concrete is conventionally tested at 28 days, when it has reached most
of its designed compressive strength.
4. Which tool is best for checking vertical alignment of a wall?
a) Chalk line
b) Plumb bob
c) Level rod
d) Transit
A plumb bob is specifically used for vertical alignment checks.
5. The minimum slope for a 4-inch diameter gravity sewer line is
generally:
a) 1/8 inch per foot
b) 1/4 inch per foot
c) 1/2 inch per foot
d) Level
, Most codes require a minimum of 1/4 inch per foot slope for small-
diameter sewer lines for proper flow.
6. Which construction contract type places the most risk on the
contractor?
a) Cost plus fee
b) Lump sum (fixed price)
c) Unit price
d) Time and material
Lump sum contracts fix the cost, leaving the contractor responsible for
overruns.
7. In masonry, mortar joints should generally be how thick?
a) 1/16 inch
b) 1/8 inch
c) 3/8 inch
d) 1 inch
Standard mortar joints are around 3/8 inch thick for proper bonding
and alignment.
8. The purpose of a footing in building construction is to:
a) Support the roof
b) Reinforce the walls
c) Distribute loads to the soil
d) Provide insulation
Footings spread structural loads to the soil to prevent settlement.
