CSLB CLASS B GENERAL
CONTRACTOR'S LICENSE -
BUILDING'S EXAM- GENERAL
BUILDING UPDATES I EXAM
QUESTIONS & VERIFIED CORRECT
ANSWERS
B) 6 on edge 12 on center - Correct Answer ✔✔ 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
B) Yes, with a pattern match - Correct Answer ✔✔ 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 ✔✔ 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
A) Contractor carrying asbestos certification - Correct Answer ✔✔ Who may work with
asbestos?
A) Contractor carrying asbestos certification
B) General contractor
C) General Engineer
D) Subcontractor
,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". - Correct Answer ✔✔ 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"
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. - Correct Answer ✔✔ 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
10d - Correct Answer ✔✔ When connecting a rafter with collar ties, what nails are
used?
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). - Correct Answer ✔✔
What is the maximum height of an accessible sink in a commercial building?
C) Six-foot level - Correct Answer ✔✔ Of the following, the best tool for door jamb
installations is:
A) T-square
B) Eight-foot level
C) Six-foot level
D) Plumb
, City - Correct Answer ✔✔ Who gives permission to install a septic system?
1 3/4" - Correct Answer ✔✔ How much spacing is required for anchor bolts from the
edge of a stem wall?
A) Place in the room where it will be installed, and let acclimate - Correct Answer ✔✔
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
B) All wheels must rotate - Correct Answer ✔✔ 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
A) 1:12
According to the ADA, ramps and curb ramps are required when an accessible route
has a change in elevation greater than ½-inch. The maximum slope expressed in
vertical rise to horizontal run is 1:12 (8.33%). - Correct Answer ✔✔ What is the
maximum slope for an ADA-compliant ramp?
A) 1:12
B) 1:18
C) 1:24
D) 1:48
- Correct Answer ✔✔ What part of a framing joist should not be drilled?
A) Middle 1/4 of the span of a joist
B) Middle 1/6 of the span of a joist
C) Middle 3/4 of the span of a joist
D) Middle 1/3 of the span of a joist
C) Oil - Correct Answer ✔✔ What waste is typically considered hazardous waste?
A) Decking materials
B) Walls
C) Oil
CONTRACTOR'S LICENSE -
BUILDING'S EXAM- GENERAL
BUILDING UPDATES I EXAM
QUESTIONS & VERIFIED CORRECT
ANSWERS
B) 6 on edge 12 on center - Correct Answer ✔✔ 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
B) Yes, with a pattern match - Correct Answer ✔✔ 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 ✔✔ 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
A) Contractor carrying asbestos certification - Correct Answer ✔✔ Who may work with
asbestos?
A) Contractor carrying asbestos certification
B) General contractor
C) General Engineer
D) Subcontractor
,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". - Correct Answer ✔✔ 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"
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. - Correct Answer ✔✔ 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
10d - Correct Answer ✔✔ When connecting a rafter with collar ties, what nails are
used?
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). - Correct Answer ✔✔
What is the maximum height of an accessible sink in a commercial building?
C) Six-foot level - Correct Answer ✔✔ Of the following, the best tool for door jamb
installations is:
A) T-square
B) Eight-foot level
C) Six-foot level
D) Plumb
, City - Correct Answer ✔✔ Who gives permission to install a septic system?
1 3/4" - Correct Answer ✔✔ How much spacing is required for anchor bolts from the
edge of a stem wall?
A) Place in the room where it will be installed, and let acclimate - Correct Answer ✔✔
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
B) All wheels must rotate - Correct Answer ✔✔ 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
A) 1:12
According to the ADA, ramps and curb ramps are required when an accessible route
has a change in elevation greater than ½-inch. The maximum slope expressed in
vertical rise to horizontal run is 1:12 (8.33%). - Correct Answer ✔✔ What is the
maximum slope for an ADA-compliant ramp?
A) 1:12
B) 1:18
C) 1:24
D) 1:48
- Correct Answer ✔✔ What part of a framing joist should not be drilled?
A) Middle 1/4 of the span of a joist
B) Middle 1/6 of the span of a joist
C) Middle 3/4 of the span of a joist
D) Middle 1/3 of the span of a joist
C) Oil - Correct Answer ✔✔ What waste is typically considered hazardous waste?
A) Decking materials
B) Walls
C) Oil
