1
Contractor License Questions with Answers (100%
Correct Answers)
The minimum head room for stairs is __________ . Answer: 6'-8"
Un-reinforced parapet wall shall have a minimum thickness of
___________________ inches. Answer: 8
A standard glass masonry unit is ______________ inches thick. Answer: 3-
7/8
______________ are used to face nail jack rafters to hips. Answer: Two 16d
common nails
Joist end notches shall not exceed ____________ of the joist depth. Answer:
one- fourth
The maximum slope of a ramp is _____________. Answer: 1:12
_______________ feet is the minimum width for pedestrian walkway in front
if a construction site. Answer: 4
Wood shingles are fastened to the roof with a minimum ______________
fasteners per shingle. Answer: 2
© 2025 All rights reserved
,2
_____________ is the broadcasting of a flame over a surface. Answer: flame
spread
The bottom of the clear opening for class E classroom emergency escape
and rescue opening serving children older than grade 5, shall not be
greater than __________ inches. Answer: 44
Standby power shall be provided for smoke control systems to span
_______ minute power interruptions. Answer: 15
The total area of mezzanines must not exceed __________ of the room in
which it is located. Answer: 1/3
When installing asphalt shingles over one ply of fifteen pound felt what is
the minimum allowable roof slope? Answer: 4:12
ASTM ______________ covers testing samples of fresh concrete. Answer: C
172
During the time concrete is being placed, metal reinforcement may
_____________. Answer: be rust covered
A mortar bed on top of a footing should be between ___________ and
_______________. Answer: 1/4" and 3/4"
© 2025 All rights reserved
,3
Waterproofing shall be applied from the bottom of the wall a minimum
of ____________ inches above the maximum elevation of ground water
table. Answer: 12
Metal shingles have a fire classification of ___________. Answer: B
The minimum width of any egress door opening shall be _________ inches.
Answer: 32
Buildings made with the use of heavy timber are classification Type
___________. Answer: IV
Asphalt shingles shall only be used on roof slopes of ___________ or
greater. Answer: 2:12
Corrugated or flat plastic skylights shall have a slope of at least
______________. Answer: 4:12
What is the minimum thickness of aluminum used as valley lining
material? Answer: 0.024 inch
The maximum slope for permanent fill on a building lot is _____________.
Answer: 50%
© 2025 All rights reserved
, 4
Cements and aggregates used in concrete shall comply with
_______________. Answer: ACI 318
Which of the following is not approved for attaching asphalt shingles?
Answer: staples
A cricket or saddle shall be installed on the ridge side of any chimney
greater than _____ inches. Answer: 30
When fire blocking is required, the spacing must not exceed
_______________. Answer: 10 feet
What is the maximum unlatching force for panic and fire hardware?
Answer: 15 lbs.
The grade shall be sloped away from a building no less than 1:20 for a
minimum distance of how many feet? Answer: 10
Nails used to install mechanically laminated flooring shall be ________
times as long as the thickness of the boards. Answer: 2- 1/2
Property owners who are planning on digging deep excavations on their
property must notify all adjacent property owners within __________ days
of starting the excavation work. Answer: 10
© 2025 All rights reserved
Contractor License Questions with Answers (100%
Correct Answers)
The minimum head room for stairs is __________ . Answer: 6'-8"
Un-reinforced parapet wall shall have a minimum thickness of
___________________ inches. Answer: 8
A standard glass masonry unit is ______________ inches thick. Answer: 3-
7/8
______________ are used to face nail jack rafters to hips. Answer: Two 16d
common nails
Joist end notches shall not exceed ____________ of the joist depth. Answer:
one- fourth
The maximum slope of a ramp is _____________. Answer: 1:12
_______________ feet is the minimum width for pedestrian walkway in front
if a construction site. Answer: 4
Wood shingles are fastened to the roof with a minimum ______________
fasteners per shingle. Answer: 2
© 2025 All rights reserved
,2
_____________ is the broadcasting of a flame over a surface. Answer: flame
spread
The bottom of the clear opening for class E classroom emergency escape
and rescue opening serving children older than grade 5, shall not be
greater than __________ inches. Answer: 44
Standby power shall be provided for smoke control systems to span
_______ minute power interruptions. Answer: 15
The total area of mezzanines must not exceed __________ of the room in
which it is located. Answer: 1/3
When installing asphalt shingles over one ply of fifteen pound felt what is
the minimum allowable roof slope? Answer: 4:12
ASTM ______________ covers testing samples of fresh concrete. Answer: C
172
During the time concrete is being placed, metal reinforcement may
_____________. Answer: be rust covered
A mortar bed on top of a footing should be between ___________ and
_______________. Answer: 1/4" and 3/4"
© 2025 All rights reserved
,3
Waterproofing shall be applied from the bottom of the wall a minimum
of ____________ inches above the maximum elevation of ground water
table. Answer: 12
Metal shingles have a fire classification of ___________. Answer: B
The minimum width of any egress door opening shall be _________ inches.
Answer: 32
Buildings made with the use of heavy timber are classification Type
___________. Answer: IV
Asphalt shingles shall only be used on roof slopes of ___________ or
greater. Answer: 2:12
Corrugated or flat plastic skylights shall have a slope of at least
______________. Answer: 4:12
What is the minimum thickness of aluminum used as valley lining
material? Answer: 0.024 inch
The maximum slope for permanent fill on a building lot is _____________.
Answer: 50%
© 2025 All rights reserved
, 4
Cements and aggregates used in concrete shall comply with
_______________. Answer: ACI 318
Which of the following is not approved for attaching asphalt shingles?
Answer: staples
A cricket or saddle shall be installed on the ridge side of any chimney
greater than _____ inches. Answer: 30
When fire blocking is required, the spacing must not exceed
_______________. Answer: 10 feet
What is the maximum unlatching force for panic and fire hardware?
Answer: 15 lbs.
The grade shall be sloped away from a building no less than 1:20 for a
minimum distance of how many feet? Answer: 10
Nails used to install mechanically laminated flooring shall be ________
times as long as the thickness of the boards. Answer: 2- 1/2
Property owners who are planning on digging deep excavations on their
property must notify all adjacent property owners within __________ days
of starting the excavation work. Answer: 10
© 2025 All rights reserved
