CSLB Class B General Contractor's License
Building's Exam General Building Updates I
108 questions with answers
What fastener spacing is required for the corners of oriented strand
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
board (OSB)? |||
A) 6 on edge or 8 on center
||| ||| ||| ||| ||| ||| |||
B) 6 on edge 12 on center
||| ||| ||| ||| ||| |||
C) 8 on edge 12 on center
||| ||| ||| ||| ||| |||
D) 8 on edge 16 on center - correct answer ✔B) 6 on edge 12 on
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
center
Can linoleum be repaired or patched?
||| ||| ||| ||| |||
A) Never
|||
B) Yes, with a pattern match
||| ||| ||| ||| |||
C) Yes, just cut small patch to fit
||| ||| ||| ||| ||| ||| |||
D) No, because it's not repairable - correct answer ✔B) Yes, with a
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
pattern match |||
What is the best tool used to cut a 2 foot diameter hole in plywood?
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
A) Jigsaw
|||
B) Keyhole saw
||| |||
,C) Mason saw
||| |||
D) Hacksaw - correct answer ✔
||| ||| ||| ||| |||
Who may work with asbestos?
||| ||| ||| |||
A) Contractor carrying asbestos certification
||| ||| ||| |||
B) General contractor
||| |||
C) General Engineer
||| |||
D) Subcontractor - correct answer ✔A) Contractor carrying asbestos
||| ||| ||| ||| ||| ||| ||| ||| |||
certification
What tile is better with sanded grout?
||| ||| ||| ||| ||| |||
A) 4"x4" with a joint size between 3/32" and 1/16"
||| ||| ||| ||| ||| ||| ||| ||| |||
B) 4"x4" with a joint size between 1/16" and 5/8"
||| ||| ||| ||| ||| ||| ||| ||| |||
C) 6"x6" with a joint size between 1/16" and 1/8"
||| ||| ||| ||| ||| ||| ||| ||| |||
D) 6"x6" with a joint size between 1/8" and 1/4" - correct answer ✔D)
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
6"x6" with a joint size between 1/8" and 1/4"
||| ||| ||| ||| ||| ||| ||| ||| |||
The size of the tile is not as important as the joint size. Sanded grouts
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
are typically used for grout joints that are wider than 1/8".
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
If you have concrete subfloor, how would you install hardwood on top?
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
A) Nail it but only if there is a vapor barrier under the slab
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
,B) Nail it but only if the hardwood is heavy enough to avoid warping
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
C) Nail it along with a water-based membrane
||| ||| ||| ||| ||| ||| |||
D) Glue down - correct answer ✔D) Glue down
||| ||| ||| ||| ||| ||| ||| |||
Hardwood should never be nailed directly to concrete. Standard strip
||| ||| ||| ||| ||| ||| ||| ||| ||| |||
hardwood is installed by blind nailing to wood subfloors or sleepers that
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
are set over mastic. If using sleepers don't forget to place a
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
polyethylene sheet over the sleeper planks. If installing tongue-and-
||| ||| ||| ||| ||| ||| ||| |||
groove hardwood planks over concrete, you may use mastic (paste-like
||| ||| ||| ||| ||| ||| ||| ||| ||| |||
adhesive). This is known as the glue down method.
||| ||| ||| ||| ||| ||| ||| |||
When connecting a rafter with collar ties, what nails are used? - correct
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
answer ✔10d
||| |||
What is the maximum height of an accessible sink in a commercial
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
building? - correct answer ✔34" ||| ||| ||| |||
According to the California Building Code, lavatories and sinks shall be
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
installed with the front of the higher of the rim or counter surface 34
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
inches (864 mm) maximum above the finished floor. In residential
||| ||| ||| ||| ||| ||| ||| ||| ||| |||
dwellings unit kitchens, sinks that are adjustable to variable heights, 29
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
inches (737 mm) minimum and 36 inches (914 mm) maximum, shall be
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
permitted where rough-in plumbing permits connections of supply and
||| ||| ||| ||| ||| ||| ||| ||| |||
drain pipes for sinks mounted at the height of 29 inches (737 mm).
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
Of the following, the best tool for door jamb installations is:
||| ||| ||| ||| ||| ||| ||| ||| ||| |||
A) T-square
|||
, B) Eight-foot level
||| |||
C) Six-foot level
||| |||
D) Plumb - correct answer ✔C) Six-foot level
||| ||| ||| ||| ||| ||| |||
Who gives permission to install a septic system? - correct answer ✔City
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
How much spacing is required for anchor bolts from the edge of a
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
stem wall? - correct answer ✔1 3/4"
||| ||| ||| ||| ||| |||
When flooring (wood, laminate, etc.) is delivered to the job, how does
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
the contractor proceed?
||| |||
A) Place in the room where it will be installed, and let acclimate
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
B) Start installation immediately
||| ||| |||
C) Put all the laminate in one place and let acclimate
||| ||| ||| ||| ||| ||| ||| ||| ||| |||
D) Wait a few hours and start installing - correct answer ✔A) Place in
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
the room where it will be installed, and let acclimate
||| ||| ||| ||| ||| ||| ||| ||| |||
Which of the following is incorrect about mobile scaffolds?
||| ||| ||| ||| ||| ||| ||| |||
A) Wheels need to lock
||| ||| ||| |||
B) All wheels must rotate
||| ||| ||| |||
C) Base is 1/3 the height of the scaffold
||| ||| ||| ||| ||| ||| ||| |||
D) Support 4 times the maximum intended load - correct answer ✔B)
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
All wheels must rotate
||| ||| |||
Building's Exam General Building Updates I
108 questions with answers
What fastener spacing is required for the corners of oriented strand
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
board (OSB)? |||
A) 6 on edge or 8 on center
||| ||| ||| ||| ||| ||| |||
B) 6 on edge 12 on center
||| ||| ||| ||| ||| |||
C) 8 on edge 12 on center
||| ||| ||| ||| ||| |||
D) 8 on edge 16 on center - correct answer ✔B) 6 on edge 12 on
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
center
Can linoleum be repaired or patched?
||| ||| ||| ||| |||
A) Never
|||
B) Yes, with a pattern match
||| ||| ||| ||| |||
C) Yes, just cut small patch to fit
||| ||| ||| ||| ||| ||| |||
D) No, because it's not repairable - correct answer ✔B) Yes, with a
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
pattern match |||
What is the best tool used to cut a 2 foot diameter hole in plywood?
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
A) Jigsaw
|||
B) Keyhole saw
||| |||
,C) Mason saw
||| |||
D) Hacksaw - correct answer ✔
||| ||| ||| ||| |||
Who may work with asbestos?
||| ||| ||| |||
A) Contractor carrying asbestos certification
||| ||| ||| |||
B) General contractor
||| |||
C) General Engineer
||| |||
D) Subcontractor - correct answer ✔A) Contractor carrying asbestos
||| ||| ||| ||| ||| ||| ||| ||| |||
certification
What tile is better with sanded grout?
||| ||| ||| ||| ||| |||
A) 4"x4" with a joint size between 3/32" and 1/16"
||| ||| ||| ||| ||| ||| ||| ||| |||
B) 4"x4" with a joint size between 1/16" and 5/8"
||| ||| ||| ||| ||| ||| ||| ||| |||
C) 6"x6" with a joint size between 1/16" and 1/8"
||| ||| ||| ||| ||| ||| ||| ||| |||
D) 6"x6" with a joint size between 1/8" and 1/4" - correct answer ✔D)
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
6"x6" with a joint size between 1/8" and 1/4"
||| ||| ||| ||| ||| ||| ||| ||| |||
The size of the tile is not as important as the joint size. Sanded grouts
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
are typically used for grout joints that are wider than 1/8".
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
If you have concrete subfloor, how would you install hardwood on top?
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
A) Nail it but only if there is a vapor barrier under the slab
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
,B) Nail it but only if the hardwood is heavy enough to avoid warping
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
C) Nail it along with a water-based membrane
||| ||| ||| ||| ||| ||| |||
D) Glue down - correct answer ✔D) Glue down
||| ||| ||| ||| ||| ||| ||| |||
Hardwood should never be nailed directly to concrete. Standard strip
||| ||| ||| ||| ||| ||| ||| ||| ||| |||
hardwood is installed by blind nailing to wood subfloors or sleepers that
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
are set over mastic. If using sleepers don't forget to place a
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
polyethylene sheet over the sleeper planks. If installing tongue-and-
||| ||| ||| ||| ||| ||| ||| |||
groove hardwood planks over concrete, you may use mastic (paste-like
||| ||| ||| ||| ||| ||| ||| ||| ||| |||
adhesive). This is known as the glue down method.
||| ||| ||| ||| ||| ||| ||| |||
When connecting a rafter with collar ties, what nails are used? - correct
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
answer ✔10d
||| |||
What is the maximum height of an accessible sink in a commercial
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
building? - correct answer ✔34" ||| ||| ||| |||
According to the California Building Code, lavatories and sinks shall be
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
installed with the front of the higher of the rim or counter surface 34
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
inches (864 mm) maximum above the finished floor. In residential
||| ||| ||| ||| ||| ||| ||| ||| ||| |||
dwellings unit kitchens, sinks that are adjustable to variable heights, 29
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
inches (737 mm) minimum and 36 inches (914 mm) maximum, shall be
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
permitted where rough-in plumbing permits connections of supply and
||| ||| ||| ||| ||| ||| ||| ||| |||
drain pipes for sinks mounted at the height of 29 inches (737 mm).
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
Of the following, the best tool for door jamb installations is:
||| ||| ||| ||| ||| ||| ||| ||| ||| |||
A) T-square
|||
, B) Eight-foot level
||| |||
C) Six-foot level
||| |||
D) Plumb - correct answer ✔C) Six-foot level
||| ||| ||| ||| ||| ||| |||
Who gives permission to install a septic system? - correct answer ✔City
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
How much spacing is required for anchor bolts from the edge of a
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
stem wall? - correct answer ✔1 3/4"
||| ||| ||| ||| ||| |||
When flooring (wood, laminate, etc.) is delivered to the job, how does
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
the contractor proceed?
||| |||
A) Place in the room where it will be installed, and let acclimate
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
B) Start installation immediately
||| ||| |||
C) Put all the laminate in one place and let acclimate
||| ||| ||| ||| ||| ||| ||| ||| ||| |||
D) Wait a few hours and start installing - correct answer ✔A) Place in
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
the room where it will be installed, and let acclimate
||| ||| ||| ||| ||| ||| ||| ||| |||
Which of the following is incorrect about mobile scaffolds?
||| ||| ||| ||| ||| ||| ||| |||
A) Wheels need to lock
||| ||| ||| |||
B) All wheels must rotate
||| ||| ||| |||
C) Base is 1/3 the height of the scaffold
||| ||| ||| ||| ||| ||| ||| |||
D) Support 4 times the maximum intended load - correct answer ✔B)
||| ||| ||| ||| ||| ||| ||| ||| ||| ||| ||| |||
All wheels must rotate
||| ||| |||
