CSLB CLASS B GENERAL CONTRACTOR-S LICENSE - BUILDING-S EXAM- FRAMING & STRUCTURAL

CSLBCLASS B GENERALCONTRACTOR'S LICENSE - v v v v v v




BUILDING'S EXAM: FRAMING & STRUCTURAL
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QUESTIONS AND ANSWERS 100% PASS
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6 inches - correct answer-How much clearance is needed between the ground and wood siding?
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4X10d nails - correct answer-When nailing a continuous header to the studs, best practice is to use:
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Moisture content, Grade, Species - correct answer- v v v v v v




Graded lumber is stamped with information about the lumber. What is included?
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In load bearing walls with holes exceeding 40% of the stud depth. - correct answer- When
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are studs doubled?
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5/8 inch - correct answer-
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A solid plywood roof deck at 3/12 pitch or greater, receiving asphalt shingles and having rafters laid o ut
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24 inches on center, should have a minimum plywood sheathing thickness of
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OSB with edge nailing 4" o.c. and field 6 "o.c. - correct answer-
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Specific information about shear walls, such a type of sheathing and nailing, can usually be found on t he
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building plans. Abbreviations such as "6W4" are common, which would mean:
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S-GRN: "Surfaced Green" Not dried, moisture content over 19%.S-
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DRY: "Surfaced Dry" Air dried to a moisture content less than 19%. KD: "Kiln Dry" Dried in a heated kiln to
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a moisture content less than 19%.MC 15: "Moisture Content 15%" Dried to a moisture content of 15%
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or less.HT: "Heat Treated" Heated to at least 133° Fahrenheit for 30 minutes at the board's cor e to kill
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any insects present in the wood. - correct answer-
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Graded lumber is marked with an indication of moisture content; which is the driest designation?
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To shed water away from the structure at roof to wall transitions
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(Step flashing are interwoven between each course of shingles and protect the transition from water int rusion
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by creating a water shed aka shingle effect.
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Next Question v

,Leave Feedback) - correct answer-What is the purpose of a step flashing?
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A) Will always be parallel - correct answer-Bracing lines:
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A) Will always be parallel v v v




B) Should intersect at 90˚ v v v




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




D) Can be added at any time
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D) Weave shingles under the lower end of the base flashing and over the upper portion of the base flas hing
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(In re- v




roof overlays, many roofers will conceal the base flashing under the shingles and apply mastic at the tr
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ansition. While this method is allowable for overlays, it is not recommended due to the inherent likelih ood of
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moisture influence under the shingles at these locations.) - correct answer-
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Proper installation of roof pipe and vent penetration base flashing should consist of:
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A) Apply shingles so as to completely conceal base flashing
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B) Apply shingles under the base flashing and seal perimeter of base flashing with roof cement
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C) Seal pipe/vent penetration with roof cement
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D) Weave shingles under the lower end of the base flashing and over the upper portion of the base flas hing
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A) Structural light framing No: 1 - correct answer- v v v v v v v




Grade designations indicate the recommended use of lumber. Which grade would you chose for buildin g
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trusses?
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A) Structural light framing No: 1 v v v v




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




C) Light framing: Construction v v




D) Light framing: Standard v v

, 18" - correct answer-In crawlspace, if the floor is built out of non- pressure
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treated wood, how high is the floor joist from the soil?
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A) Blocking is required at the beginning of any overhang - correct answer-
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When building a deck, it may be necessary to use blocking between joists.
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A) Blocking is required at the beginning of any overhang v v v v v v v v




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




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




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




24" o. c. - correct answer-What is the maximum spacing of 2 x 4 inch studs on a 1 story house?
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B) Not be notched - correct answer-Engineered floor trusses and I-Joists should:
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A) Always be kept in low humidity v v v v v




B) Not be notched v v




C) Purchased in batches v v




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




D) 16d 16" o.c.
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(According to the California Residential Code, 16d common nails at 16" o.c. face nail or 10d box nails at
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12" o.c. face nail.) - correct answer-Double top plates are best nailed together with:
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A) 10d 24" o.c v v




B) 16d 24" o.c v v




C) 10d 16" o.c v v




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