North Carolina General Contractor Practice Questions |
Most Tested Questions & 100% Correct Answers | 2026
Update
1. Describe the significance of the maximum diameter for round handrails in
relation to safety regulations.
The maximum diameter for round handrails is only a suggestion and
not mandatory.
The maximum diameter for round handrails is irrelevant to safety
regulations.
The maximum diameter for round handrails is set to ensure a secure
grip for users, enhancing safety.
The maximum diameter for round handrails is determined by aesthetic
preferences.
2. If a contractor is installing a roof with asphalt shingles and the slope is
measured at 1.5:12, what should the contractor do to comply with building
codes?
Add additional layers of shingles.
Change the roofing material to metal.
Increase the slope to at least 2:12.
Leave the slope as is, since it is acceptable.
3. In a new construction project, if a contractor plans to use combustible roof
insulation, what steps should they take to ensure compliance with safety
regulations?
Use it without any additional protection.
Ensure it is covered with a non-combustible material.
, Only use it in areas with low fire risk.
Consult with the building owner for approval.
4. If a contractor installs a feature at a height exceeding the maximum allowed
by the building codes, what potential consequences could arise?
The contractor could face penalties and be required to make
corrections.
There would be no consequences as codes are not enforced.
The contractor would receive a bonus for creativity.
The installation would automatically be approved.
5. According to the NRCA, asphalt shingles ice shield membrane shall extend
inches inside the interior wall line.
12
24
16
36
6. Handrails must be a minimum of how many inches clear of the wall?
two and 1/2
two
one and 3/4
one and 1/2
7. What is the minimum slope required for asphalt shingles that have two layers?
1:12
, 2:12
4:12
3:12
8. Vinyl siding installed vertically should have fastener spacing not to exceed
_ inches.
12
24
18
16
9. When drip edge is provided, the minimum overlap is _.
1"
4"
2"
3"
10. What is the minimum duration for which the emergency power system must
provide power according to North Carolina regulations?
90 minutes
30 minutes
60 minutes
120 minutes
11. Thresholds, if provided at doorways, shall be inch high maximum and
shall comply with 302 & 303.
, 3/4
1/8
1/4
1/2
12. What is the required spacing for NO. 18 SWG steel tie wires on center?
36 inches
48 inches
12 inches
24 inches
13. In a scenario where a contractor is building a home in a humid climate, what
specific consideration should they take regarding the installation of
insulation and sheathing?
Install a vapor barrier to prevent moisture accumulation.
Install insulation directly against the sheathing without any additional
materials.
Use only rigid insulation without any barriers.
Ensure that no barriers are used to allow for air circulation.
14. A private garage shall be separated from the dwelling unit and its attic area
by at least inch GWB.
5/8"
3/4"
1/2"
1/4"
Most Tested Questions & 100% Correct Answers | 2026
Update
1. Describe the significance of the maximum diameter for round handrails in
relation to safety regulations.
The maximum diameter for round handrails is only a suggestion and
not mandatory.
The maximum diameter for round handrails is irrelevant to safety
regulations.
The maximum diameter for round handrails is set to ensure a secure
grip for users, enhancing safety.
The maximum diameter for round handrails is determined by aesthetic
preferences.
2. If a contractor is installing a roof with asphalt shingles and the slope is
measured at 1.5:12, what should the contractor do to comply with building
codes?
Add additional layers of shingles.
Change the roofing material to metal.
Increase the slope to at least 2:12.
Leave the slope as is, since it is acceptable.
3. In a new construction project, if a contractor plans to use combustible roof
insulation, what steps should they take to ensure compliance with safety
regulations?
Use it without any additional protection.
Ensure it is covered with a non-combustible material.
, Only use it in areas with low fire risk.
Consult with the building owner for approval.
4. If a contractor installs a feature at a height exceeding the maximum allowed
by the building codes, what potential consequences could arise?
The contractor could face penalties and be required to make
corrections.
There would be no consequences as codes are not enforced.
The contractor would receive a bonus for creativity.
The installation would automatically be approved.
5. According to the NRCA, asphalt shingles ice shield membrane shall extend
inches inside the interior wall line.
12
24
16
36
6. Handrails must be a minimum of how many inches clear of the wall?
two and 1/2
two
one and 3/4
one and 1/2
7. What is the minimum slope required for asphalt shingles that have two layers?
1:12
, 2:12
4:12
3:12
8. Vinyl siding installed vertically should have fastener spacing not to exceed
_ inches.
12
24
18
16
9. When drip edge is provided, the minimum overlap is _.
1"
4"
2"
3"
10. What is the minimum duration for which the emergency power system must
provide power according to North Carolina regulations?
90 minutes
30 minutes
60 minutes
120 minutes
11. Thresholds, if provided at doorways, shall be inch high maximum and
shall comply with 302 & 303.
, 3/4
1/8
1/4
1/2
12. What is the required spacing for NO. 18 SWG steel tie wires on center?
36 inches
48 inches
12 inches
24 inches
13. In a scenario where a contractor is building a home in a humid climate, what
specific consideration should they take regarding the installation of
insulation and sheathing?
Install a vapor barrier to prevent moisture accumulation.
Install insulation directly against the sheathing without any additional
materials.
Use only rigid insulation without any barriers.
Ensure that no barriers are used to allow for air circulation.
14. A private garage shall be separated from the dwelling unit and its attic area
by at least inch GWB.
5/8"
3/4"
1/2"
1/4"
