CSLB Class B General Contractor's
License - Building's Exam Framing &
Structural 120 questions with answers
How much clearance is needed between the ground and wood siding? -
|| || || || || || || || || || || ||
correct answer ✔6 inches || || ||
When nailing a continuous header to the studs, best practice is to use: -
|| || || || || || || || || || || || || ||
correct answer ✔4X10d nails || || ||
Graded lumber is stamped with information about the lumber. What is
|| || || || || || || || || || ||
included? - correct answer ✔Moisture content, Grade, Species
|| || || || || || ||
When are studs doubled? - correct answer ✔In load bearing walls with
|| || || || || || || || || || || ||
holes exceeding 40% of the stud depth.
|| || || || || ||
A solid plywood roof deck at 3/12 pitch or greater, receiving asphalt
|| || || || || || || || || || || ||
shingles and having rafters laid out 24 inches on center, should have a
|| || || || || || || || || || || || ||
minimum plywood sheathing thickness of ______. - correct answer ✔5/8
|| || || || || || || || || ||
inch
Specific information about shear walls, such a type of sheathing and nailing,
|| || || || || || || || || || ||
can usually be found on the building plans. Abbreviations such as "6W4"
|| || || || || || || || || || || || ||
are common, which would mean: - correct answer ✔OSB with edge nailing
|| || || || || || || || || || || ||
4" o.c. and field 6 "o.c.
|| || || || ||
,Graded lumber is marked with an indication of moisture content; which is
|| || || || || || || || || || || ||
the driest designation? - correct answer ✔S-GRN: "Surfaced Green" Not
|| || || || || || || || || ||
dried, moisture content over 19%.S-DRY: "Surfaced Dry" Air dried to a
|| || || || || || || || || || ||
moisture content less than 19%. KD: "Kiln Dry" Dried in a heated kiln to a
|| || || || || || || || || || || || || || ||
moisture content less than 19%.MC 15: "Moisture Content 15%" Dried to a
|| || || || || || || || || || || ||
moisture content of 15% or less.HT: "Heat Treated" Heated to at least 133°
|| || || || || || || || || || || ||
Fahrenheit for 30 minutes at the board's core to kill any insects present in
|| || || || || || || || || || || || || ||
the wood.
|| ||
What is the purpose of a step flashing? - correct answer ✔To shed water
|| || || || || || || || || || || || || ||
away from the structure at roof to wall transitions
|| || || || || || || || ||
(Step flashing are interwoven between each course of shingles and protect
|| || || || || || || || || || ||
the transition from water intrusion by creating a water shed aka shingle
|| || || || || || || || || || || ||
effect.
Next Question ||
Leave Feedback) ||
Bracing lines: ||
A) Will always be parallel
|| || || ||
B) Should intersect at 90˚
|| || || ||
C) Always run in the same direction
|| || || || || ||
D) Can be added at any time - correct answer ✔A) Will always be parallel
|| || || || || || || || || || || || || ||
Proper installation of roof pipe and vent penetration base flashing should
|| || || || || || || || || || ||
consist of: ||
,A) Apply shingles so as to completely conceal base flashing
|| || || || || || || || ||
B) Apply shingles under the base flashing and seal perimeter of base
|| || || || || || || || || || || ||
flashing with roof cement || || ||
C) Seal pipe/vent penetration with roof cement
|| || || || || ||
D) Weave shingles under the lower end of the base flashing and over the
|| || || || || || || || || || || || || ||
upper portion of the base flashing - correct answer ✔D) Weave shingles
|| || || || || || || || || || || ||
under the lower end of the base flashing and over the upper portion of
|| || || || || || || || || || || || || ||
the base flashing
|| ||
(In re-roof overlays, many roofers will conceal the base flashing under the
|| || || || || || || || || || || ||
shingles and apply mastic at the transition. While this method is allowable
|| || || || || || || || || || || ||
for overlays, it is not recommended due to the inherent likelihood of
|| || || || || || || || || || || ||
moisture influence under the shingles at these locations.)
|| || || || || || ||
Grade designations indicate the recommended use of lumber. Which grade
|| || || || || || || || || ||
would you chose for building trusses?
|| || || || ||
A) Structural light framing No: 1
|| || || || ||
B) Structural light framing No: 3
|| || || || ||
C) Light framing: Construction
|| || ||
D) Light framing: Standard - correct answer ✔A) Structural light framing No:
|| || || || || || || || || || ||
1
||
In crawlspace, if the floor is built out of non-pressure treated wood, how
|| || || || || || || || || || || || ||
high is the floor joist from the soil? - correct answer ✔18"
|| || || || || || || || || || ||
When building a deck, it may be necessary to use blocking between joists.
|| || || || || || || || || || || ||
, A) Blocking is required at the beginning of any overhang
|| || || || || || || || ||
B) Blocking is required every 10 feet
|| || || || || ||
C) Blocking is required if joists are 24" o.c. or more
|| || || || || || || || || ||
D) Blocking is required if joists are 8"x or larger - correct answer ✔A)
|| || || || || || || || || || || || || ||
Blocking is required at the beginning of any overhang
|| || || || || || || ||
What is the maximum spacing of 2 x 4 inch studs on a 1 story house? -
|| || || || || || || || || || || || || || || || ||
correct answer ✔24" o. c.
|| || || ||
Engineered floor trusses and I-Joists should:
|| || || || ||
A) Always be kept in low humidity
|| || || || || ||
B) Not be notched
|| || ||
C) Purchased in batches
|| || ||
D) Always be approved by an engineer - correct answer ✔B) Not be
|| || || || || || || || || || || || ||
notched
Double top plates are best nailed together with:
|| || || || || || ||
A) 10d 24" o.c
|| || ||
B) 16d 24" o.c
|| || ||
C) 10d 16" o.c
|| || ||
D) 16d 16" o.c. - correct answer ✔D) 16d 16" o.c.
|| || || || || || || || || ||
License - Building's Exam Framing &
Structural 120 questions with answers
How much clearance is needed between the ground and wood siding? -
|| || || || || || || || || || || ||
correct answer ✔6 inches || || ||
When nailing a continuous header to the studs, best practice is to use: -
|| || || || || || || || || || || || || ||
correct answer ✔4X10d nails || || ||
Graded lumber is stamped with information about the lumber. What is
|| || || || || || || || || || ||
included? - correct answer ✔Moisture content, Grade, Species
|| || || || || || ||
When are studs doubled? - correct answer ✔In load bearing walls with
|| || || || || || || || || || || ||
holes exceeding 40% of the stud depth.
|| || || || || ||
A solid plywood roof deck at 3/12 pitch or greater, receiving asphalt
|| || || || || || || || || || || ||
shingles and having rafters laid out 24 inches on center, should have a
|| || || || || || || || || || || || ||
minimum plywood sheathing thickness of ______. - correct answer ✔5/8
|| || || || || || || || || ||
inch
Specific information about shear walls, such a type of sheathing and nailing,
|| || || || || || || || || || ||
can usually be found on the building plans. Abbreviations such as "6W4"
|| || || || || || || || || || || || ||
are common, which would mean: - correct answer ✔OSB with edge nailing
|| || || || || || || || || || || ||
4" o.c. and field 6 "o.c.
|| || || || ||
,Graded lumber is marked with an indication of moisture content; which is
|| || || || || || || || || || || ||
the driest designation? - correct answer ✔S-GRN: "Surfaced Green" Not
|| || || || || || || || || ||
dried, moisture content over 19%.S-DRY: "Surfaced Dry" Air dried to a
|| || || || || || || || || || ||
moisture content less than 19%. KD: "Kiln Dry" Dried in a heated kiln to a
|| || || || || || || || || || || || || || ||
moisture content less than 19%.MC 15: "Moisture Content 15%" Dried to a
|| || || || || || || || || || || ||
moisture content of 15% or less.HT: "Heat Treated" Heated to at least 133°
|| || || || || || || || || || || ||
Fahrenheit for 30 minutes at the board's core to kill any insects present in
|| || || || || || || || || || || || || ||
the wood.
|| ||
What is the purpose of a step flashing? - correct answer ✔To shed water
|| || || || || || || || || || || || || ||
away from the structure at roof to wall transitions
|| || || || || || || || ||
(Step flashing are interwoven between each course of shingles and protect
|| || || || || || || || || || ||
the transition from water intrusion by creating a water shed aka shingle
|| || || || || || || || || || || ||
effect.
Next Question ||
Leave Feedback) ||
Bracing lines: ||
A) Will always be parallel
|| || || ||
B) Should intersect at 90˚
|| || || ||
C) Always run in the same direction
|| || || || || ||
D) Can be added at any time - correct answer ✔A) Will always be parallel
|| || || || || || || || || || || || || ||
Proper installation of roof pipe and vent penetration base flashing should
|| || || || || || || || || || ||
consist of: ||
,A) Apply shingles so as to completely conceal base flashing
|| || || || || || || || ||
B) Apply shingles under the base flashing and seal perimeter of base
|| || || || || || || || || || || ||
flashing with roof cement || || ||
C) Seal pipe/vent penetration with roof cement
|| || || || || ||
D) Weave shingles under the lower end of the base flashing and over the
|| || || || || || || || || || || || || ||
upper portion of the base flashing - correct answer ✔D) Weave shingles
|| || || || || || || || || || || ||
under the lower end of the base flashing and over the upper portion of
|| || || || || || || || || || || || || ||
the base flashing
|| ||
(In re-roof overlays, many roofers will conceal the base flashing under the
|| || || || || || || || || || || ||
shingles and apply mastic at the transition. While this method is allowable
|| || || || || || || || || || || ||
for overlays, it is not recommended due to the inherent likelihood of
|| || || || || || || || || || || ||
moisture influence under the shingles at these locations.)
|| || || || || || ||
Grade designations indicate the recommended use of lumber. Which grade
|| || || || || || || || || ||
would you chose for building trusses?
|| || || || ||
A) Structural light framing No: 1
|| || || || ||
B) Structural light framing No: 3
|| || || || ||
C) Light framing: Construction
|| || ||
D) Light framing: Standard - correct answer ✔A) Structural light framing No:
|| || || || || || || || || || ||
1
||
In crawlspace, if the floor is built out of non-pressure treated wood, how
|| || || || || || || || || || || || ||
high is the floor joist from the soil? - correct answer ✔18"
|| || || || || || || || || || ||
When building a deck, it may be necessary to use blocking between joists.
|| || || || || || || || || || || ||
, A) Blocking is required at the beginning of any overhang
|| || || || || || || || ||
B) Blocking is required every 10 feet
|| || || || || ||
C) Blocking is required if joists are 24" o.c. or more
|| || || || || || || || || ||
D) Blocking is required if joists are 8"x or larger - correct answer ✔A)
|| || || || || || || || || || || || || ||
Blocking is required at the beginning of any overhang
|| || || || || || || ||
What is the maximum spacing of 2 x 4 inch studs on a 1 story house? -
|| || || || || || || || || || || || || || || || ||
correct answer ✔24" o. c.
|| || || ||
Engineered floor trusses and I-Joists should:
|| || || || ||
A) Always be kept in low humidity
|| || || || || ||
B) Not be notched
|| || ||
C) Purchased in batches
|| || ||
D) Always be approved by an engineer - correct answer ✔B) Not be
|| || || || || || || || || || || || ||
notched
Double top plates are best nailed together with:
|| || || || || || ||
A) 10d 24" o.c
|| || ||
B) 16d 24" o.c
|| || ||
C) 10d 16" o.c
|| || ||
D) 16d 16" o.c. - correct answer ✔D) 16d 16" o.c.
|| || || || || || || || || ||
