CSLB B LICENSE GENERAL CONTRACTOR EXAM WITH SOLUTIONS

CSLB B LICENSE GENERAL
CONTRACTOR EXAM WITH
SOLUTIONS

If unused mortar stiffens due to hydration of cement, what must you do? -
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correct answer ✔Discard the mortar
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What minimum time must you wait before caulking or grouting new tiles? -
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correct answer ✔24-48 Hours
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How long should you wait before installing tile on a shower pan? - correct
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answer ✔24 Hours || ||




Unstable dry rock, angular gravel, sandy loam, and cohesive soils having
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compressive strengths greater than 0.5 and less than 1.5 tons/sq ft (tsf),
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are typical examples of: - correct answer ✔Type-B Soils
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If 65 street lights are fed by a 2275 volt series circuit, what is the voltage
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across each light? - correct answer ✔35V
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In a series circuit, the total voltage is divided equally.
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For safety reasons, the maximum simple slope of an excavation, up to 20 ft
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deep, in Type-B soil is: - correct answer ✔1:1 (45°)
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,A Pittsburgh joint is used in: - correct answer ✔HVAC ductwork
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The drain for a pressure relief valve on a water heater should be extended
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to: - correct answer ✔The outside of the building
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What is the minimum slope toward the drain of a shower pan? - correct
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answer ✔1/4" per foot (2%) || || || ||




What is the diameter of #3 rebar? - correct answer ✔3/8"
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If a vendor fails to provide an MSDS, you have the right to call: - correct
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answer ✔Cal/OSHA or DOSH || || ||




When installing a door jamb, you need shims at: - correct answer ✔Both
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hinge and strike sides, three on each side.
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Which of the following is used to adhere vinyl floors?
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A. Epoxy cement
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B. Asphalt mastic
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C. Latex primer
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D. White glue - correct answer ✔Epoxy cement
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When do you need bracing for a drywall wall? - correct answer ✔Diagonal
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bracing is needed every 25' for any drywall wall.
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,How should you clear the roots from a construction site? - correct answer
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✔Clear roots to 12" below grade.
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Dividing watts by amps gives you: - correct answer ✔Volts
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The most frequent on-the-job roofing accidents are: - correct answer ✔Falls
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Which of the following is NOT a type of wood block flooring?
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A. Parquet
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B. Wood Mosaic
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C. Wood Tile
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D. All of the above. - correct answer ✔Wood tile
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Lightweight concrete is best used for: || || || || ||




A. Curb and Gutter
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B. Second floor decking
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C. First floor slab on grade
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D. Footings - correct answer ✔Second floor decking
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The tool used to carry grout needed to patch a small hole is a:
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A. Hawk
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, B. Poling board
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C. Spot board
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D. Mason's scutch - correct answer ✔Spot Board
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Which pipe is NOT appropriate for industrial wastes?
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A. Cast iron
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B. Schedule 40 ABS DWV
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C. Extra strength vitrified clay
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D. Copper - correct answer ✔Copper
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Where do you need a fire wall?
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A. Between a living room and a bedroom
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B. Between a bedroom and a bathroom
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C. Between a kitchen and a bath
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D. A separation wall between a dwelling and an attachment - correct
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answer ✔A separation wall between a dwelling and an attachment.
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What is the minimum clearance between rough ground and untreated
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subfloor joists? - correct answer ✔18 inches
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Who may remove asbestos? - correct answer ✔Contractor with Asbestos
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Certification on license. || ||