NC General Contractors EXAM STUDY
GUIDE 2026/2027 ACCURATE QUESTIONS
WITH CORRECT DETAILED SOLUTIONS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. Fenestration - ANSWER ✔ skylights, roof windows, vertical windows
(whether fixed or moveable); opaque doors; glazed doors; glass block; and
combination opaque and glazed doors.
2. Draft-stopping materials must be at least.. - ANSWER ✔ 1/2 inch gypsum
or 3/8 inch plywood
3. All habitable rooms shall have an aggregate glazing area of not less than... -
ANSWER ✔ >8%
of the of the gross floor area
(of such rooms)
4. Every dwelling unit shall have at least one habitable room that shall have not
less than ___ square feet of gross floor area - ANSWER ✔ 70 sq ft
5. The minimum ceiling height for any habitable room is.. - ANSWER ✔ 7
feet
6. Safety glazing is required in... - ANSWER ✔ all hazardous locations
7. Emergency egress requires a minimum net clear openable area of.. -
ANSWER ✔ 4 sq ft
8. For emergency egress, the sill height must be not more than... - ANSWER
✔ 44 inches
,9. An egress door shall be a minimum clear width of... - ANSWER ✔ 32
inches
10.The landing outside of an egress door must be ___ inches wide in the
direction of travel - ANSWER ✔ 36 in
11.The minimum width of a hallway shall not be less than... - ANSWER ✔ 3
ft (36 in)
12.Stairways shall not be less than __ inches wide in clear width - ANSWER
✔ 36 in
13.The minimum headroom in all parts of the stairway shall not be less than... -
ANSWER ✔ 6 ft 8 in
14.Wood shakes shall be laid with a side lap not less than ____ inches between
joints in adjacent courses - ANSWER ✔ 1-1/2 in
15.Valley flashing minimum thickness No. ___ gage - ANSWER ✔ 26
16.Valley flashing shall extend at least ___ inches from centerline each way -
ANSWER ✔ 11 in
17.Minimum slope for a built-up roof ___:__ - ANSWER ✔ 1/4:12
18.Minimum slope for coal tar built up roofs - ANSWER ✔ 1/8:12
19.Minimum slope for a modified bitumen roof is... - ANSWER ✔ 1/4:12
20._____ hours after the application of polyurethane roofing comply with
R905.15 - ANSWER ✔ 2-72
21.Metal flashings are not allowed to be reinstalled if... - ANSWER ✔ rusted,
damaged, or deteriorated
22.The clearance between the ends of combustible members in a
firewall must be ____. - ANSWER ✔ 4"
,23.You may use combustible roof insulation if the roof covering is
____ ____to the insulation. - ANSWER ✔ applied directly
24.NO. 18 SWG steel tie wires spaced ____ on
center. - ANSWER ✔ 24"
25.Be able to determine finish requirements using this table.
805.1.1; Know the requirements for fire-blocking to be constructed using
combustible materials. - ANSWER ✔
26.Combustible insulating boards not more than ____ thick and
covered with finish flooring are permitted where attached directly to a non-
combustible floor assembly or to wood subflooring attached to sleepers. -
ANSWER ✔ 1/2"
27.Any church with an occupant load Of more than ____ must have a
fire alarm system. - ANSWER ✔ 300
28.The height Of the manual fire alarm boxes shall be a minimum Of
____ and a maximum of ____ measured vertically from the floor level to the
activating handle or lever of the box. - ANSWER ✔ 42" and 48"
29.You must become familiar with the Visible Alarms table
for the exam. - ANSWER ✔
30.The emergency power system shall provide power for a duration
of not less than ____. - ANSWER ✔ 90 minutes
31.The minimum width Of each door used as a means Of egress Shall
provide a clear Width Of ____. - ANSWER ✔ 32"
32.What 4 ingredients are in concrete? - ANSWER ✔ Cement
Sand
Coarse aggregate
Water
33.The five types of portland cements: - ANSWER ✔ type I- normal
, type II- moderate sulfate resistance
type III- high early strength (used when forms have to be taken off early)
type IV- low heat of hydration (used in massive concrete placements such as
dams)
type V-high sulfate resistance
34.What are water reducing admixtures in concrete mixing? - ANSWER ✔
Plasticizers to reduce the water cement ratio or increase slump. (less water is
required in the mix)
35.What are superplasticizers? - ANSWER ✔ High range water reducers are
added to concrete with a low to normal slump and water cement ratio to
make high slump flowing concrete.
36.How much does a superplasticizer increase slump? - ANSWER ✔ from 2"
to 7-9"
37.What is a common retarder when making concrete? - ANSWER ✔ Sucrose
38.Why are retarders used when making concrete? - ANSWER ✔ to slow the
set rate to allow more time for placement or finishing.
39.What is commonly used as an accelerator when mixing concrete? -
ANSWER ✔ Calcium chloride
40.Why would you use an accelerator in mixing concrete? - ANSWER ✔
usually used in cold weather to accelerate the strength development at an
early age.
41.What is air entrainment? - ANSWER ✔ Adding small bubbles by adding a
chemical to provide space for water to expand during freezing. It improves
pumpability, and with out it concrete will scale and spall.
42.How do you reduce air from concrete? - ANSWER ✔ Higher temperatures,
lower slumps and coarser sand
43.What is concrete cover - ANSWER ✔ the distance from the top of the
reinforcement bar to the surface of the concrete
GUIDE 2026/2027 ACCURATE QUESTIONS
WITH CORRECT DETAILED SOLUTIONS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. Fenestration - ANSWER ✔ skylights, roof windows, vertical windows
(whether fixed or moveable); opaque doors; glazed doors; glass block; and
combination opaque and glazed doors.
2. Draft-stopping materials must be at least.. - ANSWER ✔ 1/2 inch gypsum
or 3/8 inch plywood
3. All habitable rooms shall have an aggregate glazing area of not less than... -
ANSWER ✔ >8%
of the of the gross floor area
(of such rooms)
4. Every dwelling unit shall have at least one habitable room that shall have not
less than ___ square feet of gross floor area - ANSWER ✔ 70 sq ft
5. The minimum ceiling height for any habitable room is.. - ANSWER ✔ 7
feet
6. Safety glazing is required in... - ANSWER ✔ all hazardous locations
7. Emergency egress requires a minimum net clear openable area of.. -
ANSWER ✔ 4 sq ft
8. For emergency egress, the sill height must be not more than... - ANSWER
✔ 44 inches
,9. An egress door shall be a minimum clear width of... - ANSWER ✔ 32
inches
10.The landing outside of an egress door must be ___ inches wide in the
direction of travel - ANSWER ✔ 36 in
11.The minimum width of a hallway shall not be less than... - ANSWER ✔ 3
ft (36 in)
12.Stairways shall not be less than __ inches wide in clear width - ANSWER
✔ 36 in
13.The minimum headroom in all parts of the stairway shall not be less than... -
ANSWER ✔ 6 ft 8 in
14.Wood shakes shall be laid with a side lap not less than ____ inches between
joints in adjacent courses - ANSWER ✔ 1-1/2 in
15.Valley flashing minimum thickness No. ___ gage - ANSWER ✔ 26
16.Valley flashing shall extend at least ___ inches from centerline each way -
ANSWER ✔ 11 in
17.Minimum slope for a built-up roof ___:__ - ANSWER ✔ 1/4:12
18.Minimum slope for coal tar built up roofs - ANSWER ✔ 1/8:12
19.Minimum slope for a modified bitumen roof is... - ANSWER ✔ 1/4:12
20._____ hours after the application of polyurethane roofing comply with
R905.15 - ANSWER ✔ 2-72
21.Metal flashings are not allowed to be reinstalled if... - ANSWER ✔ rusted,
damaged, or deteriorated
22.The clearance between the ends of combustible members in a
firewall must be ____. - ANSWER ✔ 4"
,23.You may use combustible roof insulation if the roof covering is
____ ____to the insulation. - ANSWER ✔ applied directly
24.NO. 18 SWG steel tie wires spaced ____ on
center. - ANSWER ✔ 24"
25.Be able to determine finish requirements using this table.
805.1.1; Know the requirements for fire-blocking to be constructed using
combustible materials. - ANSWER ✔
26.Combustible insulating boards not more than ____ thick and
covered with finish flooring are permitted where attached directly to a non-
combustible floor assembly or to wood subflooring attached to sleepers. -
ANSWER ✔ 1/2"
27.Any church with an occupant load Of more than ____ must have a
fire alarm system. - ANSWER ✔ 300
28.The height Of the manual fire alarm boxes shall be a minimum Of
____ and a maximum of ____ measured vertically from the floor level to the
activating handle or lever of the box. - ANSWER ✔ 42" and 48"
29.You must become familiar with the Visible Alarms table
for the exam. - ANSWER ✔
30.The emergency power system shall provide power for a duration
of not less than ____. - ANSWER ✔ 90 minutes
31.The minimum width Of each door used as a means Of egress Shall
provide a clear Width Of ____. - ANSWER ✔ 32"
32.What 4 ingredients are in concrete? - ANSWER ✔ Cement
Sand
Coarse aggregate
Water
33.The five types of portland cements: - ANSWER ✔ type I- normal
, type II- moderate sulfate resistance
type III- high early strength (used when forms have to be taken off early)
type IV- low heat of hydration (used in massive concrete placements such as
dams)
type V-high sulfate resistance
34.What are water reducing admixtures in concrete mixing? - ANSWER ✔
Plasticizers to reduce the water cement ratio or increase slump. (less water is
required in the mix)
35.What are superplasticizers? - ANSWER ✔ High range water reducers are
added to concrete with a low to normal slump and water cement ratio to
make high slump flowing concrete.
36.How much does a superplasticizer increase slump? - ANSWER ✔ from 2"
to 7-9"
37.What is a common retarder when making concrete? - ANSWER ✔ Sucrose
38.Why are retarders used when making concrete? - ANSWER ✔ to slow the
set rate to allow more time for placement or finishing.
39.What is commonly used as an accelerator when mixing concrete? -
ANSWER ✔ Calcium chloride
40.Why would you use an accelerator in mixing concrete? - ANSWER ✔
usually used in cold weather to accelerate the strength development at an
early age.
41.What is air entrainment? - ANSWER ✔ Adding small bubbles by adding a
chemical to provide space for water to expand during freezing. It improves
pumpability, and with out it concrete will scale and spall.
42.How do you reduce air from concrete? - ANSWER ✔ Higher temperatures,
lower slumps and coarser sand
43.What is concrete cover - ANSWER ✔ the distance from the top of the
reinforcement bar to the surface of the concrete
