CSLB Class B General Contractor's
License - Building's Exam: General
Building Updates I Q&A 100% Pass
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) 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 - ✔✔B) Yes, with a pattern match
What is the best tool used to cut a 2 foot diameter hole in plywood?
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©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,A) Jigsaw
B) Keyhole saw
C) Mason saw
D) Hacksaw - ✔✔
Who may work with asbestos?
A) Contractor carrying asbestos certification
B) General contractor
C) General Engineer
D) Subcontractor - ✔✔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" - ✔✔D) 6"x6" with a joint
size between 1/8" and 1/4"
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©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,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 - ✔✔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? - ✔✔10d
What is the maximum height of an accessible sink in a commercial
building? - ✔✔34"
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©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, 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 - ✔✔C) Six-foot level
Who gives permission to install a septic system? - ✔✔City
How much spacing is required for anchor bolts from the edge of a stem
wall? - ✔✔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
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©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
License - Building's Exam: General
Building Updates I Q&A 100% Pass
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) 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 - ✔✔B) Yes, with a pattern match
What is the best tool used to cut a 2 foot diameter hole in plywood?
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,A) Jigsaw
B) Keyhole saw
C) Mason saw
D) Hacksaw - ✔✔
Who may work with asbestos?
A) Contractor carrying asbestos certification
B) General contractor
C) General Engineer
D) Subcontractor - ✔✔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" - ✔✔D) 6"x6" with a joint
size between 1/8" and 1/4"
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,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 - ✔✔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? - ✔✔10d
What is the maximum height of an accessible sink in a commercial
building? - ✔✔34"
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, 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 - ✔✔C) Six-foot level
Who gives permission to install a septic system? - ✔✔City
How much spacing is required for anchor bolts from the edge of a stem
wall? - ✔✔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
4
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
