CSLB Class B General Contractor's License - Building's Exam With Correct Questions And Answers: Framing & Structural

CSLB Class B General Contractor's
License - Building's Exam With
Correct Questions And Answers:
Framing & Structural

6 inches - Correct Answer ✔✔ - How much clearance is needed between the ground and wood siding?
C C C CC C C C C C C C C C C C C C




4X10d nails - Correct Answer ✔✔ - When nailing a continuous header to the studs, best practice is to use:
C C C CC C C C C C C C C C C C C C C C




Moisture content, Grade, Species - Correct Answer ✔✔ - Graded lumber is stamped with information
C C C C C CC C C C C C C C C




about the lumber. What is included?
C C C C C C




In load bearing walls with holes exceeding 40% of the stud depth. - Correct Answer ✔✔ - When are studs
C C C C C C C C C C C C C CC C C C C C




doubled?
C




5/8 inch - Correct Answer ✔✔ - A solid plywood roof deck at 3/12 pitch or greater, receiving asphalt
C C C CC C C C C C C C C C C C C C C




shingles and having rafters laid out 24 inches on center, should have a minimum plywood sheathing
C C C C C C C C C C C C C C C C




thickness of ______.
C C C




OSB with edge nailing 4" o.c. and field 6 "o.c. - Correct Answer ✔✔ - Specific information about shear walls,
C C C C C C C C C C C CC C C C C C C C




such a type of sheathing and nailing, can usually be found on the building plans. Abbreviations such as
C C C C C C C C C C C C C C C C C C




"6W4" are common, which would mean:
C C C C C C




S-GRN: "Surfaced Green" Not dried, moisture content over 19%.S-DRY: "Surfaced Dry" Air dried to a
C C C C C C C C C C C C C C




moisture content less than 19%. KD: "Kiln Dry" Dried in a heated kiln to a moisture content less than
C C C C C C C C C C C C C C C C C C C




19%.MC 15: "Moisture Content 15%" Dried to a moisture content of 15% or less.HT: "Heat Treated" Heated
C C C C C C C C C C C C C C C C C




to at least 133° Fahrenheit for 30 minutes at the board's core to kill any insects present in the wood. -
C C C C C C C C C C C C C C C C C C C C C




Correct Answer ✔✔ - Graded lumber is marked with an indication of moisture content; which is the driest
C CC C C C C C C C C C C C C C C C C




designation?
C




To shed water away from the structure at roof to wall transitions
C C C C C C C C C C C C




(Step flashing are interwoven between each course of shingles and protect the transition from water
C C C C C C C C C C C C C C




intrusion by creating a water shed aka shingle effect.
C C C C C C C C C




Next Question C




Leave Feedback) - Correct Answer ✔✔ - What is the purpose of a step flashing?
C C C CC C C C C C C C C C C

,A) Will always be parallel - Correct Answer ✔✔ - Bracing lines:
C C C C C C CC C C C C




A) Will always be parallel
C C C C




B) Should intersect at 90˚
C C C C




C) Always run in the same direction
C C C C C C




D) Can be added at any time
C C C C C C




D) Weave shingles under the lower end of the base flashing and over the upper portion of the base flashing
C C C C C C C C C C C C C C C C C C C




(In re-roof overlays, many roofers will conceal the base flashing under the shingles and apply mastic at the
C C C C C C C C C C C C C C C C C




transition. While this method is allowable for overlays, it is not recommended due to the inherent
C C C C C C C C C C C C C C C C




likelihood of moisture influence under the shingles at these locations.) - Correct Answer ✔✔ - Proper
C C C C C C C C C C C C CC C C C




installation of roof pipe and vent penetration base flashing should consist of:
C C C C C C C C C C C C




A) Apply shingles so as to completely conceal base flashing
C C C C C C C C C




B) Apply shingles under the base flashing and seal perimeter of base flashing with roof cement
C C C C C C C C C C C C C C C




C) Seal pipe/vent penetration with roof cement
C C C C C C




D) Weave shingles under the lower end of the base flashing and over the upper portion of the base flashing
C C C C C C C C C C C C C C C C C C C




A) Structural light framing No: 1 - Correct Answer ✔✔ - Grade designations indicate the recommended use
C C C C C C C CC C C C C C C C C




of lumber. Which grade would you chose for building trusses?
C C C C C C C C C C




A) Structural light framing No: 1
C C C C C




B) Structural light framing No: 3
C C C C C




C) Light framing: Construction
C C C




D) Light framing: Standard
C C C




18" - Correct Answer ✔✔ - In crawlspace, if the floor is built out of non-pressure treated wood, how high is
C C CC C C C C C C C C C C C C C C C C C




the floor joist from the soil?
C C C C C C




A) Blocking is required at the beginning of any overhang - Correct Answer ✔✔ - When building a deck, it
C C C C C C C C C C C CC C C C C C C C




may be necessary to use blocking between joists.
C C C C C C C C

, A) Blocking is required at the beginning of any overhang
C C C C C C C C C




B) Blocking is required every 10 feet
C C C C C C




C) Blocking is required if joists are 24" o.c. or more
C C C C C C C C C C




D) Blocking is required if joists are 8"x or larger
C C C C C C C C C




24" o. c. - Correct Answer ✔✔ - What is the maximum spacing of 2 x 4 inch studs on a 1 story house?
C C C C CC C C C C C C C C C C C C C C C C C C




B) Not be notched - Correct Answer ✔✔ - Engineered floor trusses and I-Joists should:
C C C C C CC C C C C C C C C




A) Always be kept in low humidity
C C C C C C




B) Not be notched
C C C




C) Purchased in batches
C C C




D) Always be approved by an engineer
C C C C C C




D) 16d 16" o.c.
C C C




(According to the California Residential Code, 16d common nails at 16" o.c. face nail or 10d box nails at 12"
C C C C C C C C C C C C C C C C C C C




o.c. face nail.) - Correct Answer ✔✔ - Double top plates are best nailed together with:
C C C C C CC C C C C C C C C C C




A) 10d 24" o.c
C C C




B) 16d 24" o.c
C C C




C) 10d 16" o.c
C C C




D) 16d 16" o.c.
C C C




A) Between floors - Correct Answer ✔✔ - Hold-downs are usually set into the foundation or pad. Where
C C C C CC C C C C C C C C C C C C




else might you need to install them?
C C C C C C C




A) Between floors
C C




B) Into piers
C C