CSLB B License General Contractor Exam

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CSLB B License General Contractor Exam Questions with 100% Correct Answers 1.Which of the following is NOT a type of wood block flooring?A.Parquet B.Wood Mosaic C.Wood Tile D.All of the above.Answer Wood tile 2.Lightweight concrete is best used for A.Curb and Gutter B.Second floor decking C.First floor slab on grade D.Footings Answer Second floor decking 3.The tool used to carry grout needed to patch a small hole is a A.Hawk B.Poling board C.Spot board 1 / 4

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D.Mason's scutch Answer Spot Board 4.If unused mortar stiffens due to hydration of cement, what must you do?Answer - Discard the mortar 5.What minimum time must you wait before caulking or grouting new tiles?Answer - 24-48 Hours 6.How long should you wait before installing tile on a shower pan?Answer 24 Hours 7.Unstable dry rock, angular gravel, sandy loam, and cohesive soils having compressive strengths greater than 0.5 and less than 1.5 tons/sq ft (tsf), are typical examples of Answer Type-B Soils 8.If 65 street lights are fed by a 2275 volt series circuit, what is the voltage across each light?Answer 35V 2 / 4

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In a series circuit, the total voltage is divided equally.

9.For safety reasons, the maximum simple slope of an excavation, up to 20 ft deep, in Type-B soil is

Answer 1:1 (45°)

• A Pittsburgh joint is used in

Answer HVAC ductwork

• The drain for a pressure relief valve on a water heater

should be extended to Answer The outside of the building

• What is the minimum slope toward the drain of a shower

pan?Answer 1/4" per foot (2%) 13.What is the diameter of #3 rebar?Answer 3/8" 14.If a vendor fails to provide an MSDS, you have the right to call Answer Cal/OSHA or DOSH 15.When installing a door jamb, you need shims at 3 / 4

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Answer Both hinge and strike sides, three on each side.

16.Which of the following is used to adhere vinyl floors?A.Epoxy cement B.Asphalt mastic C.Latex primer D.White glue Answer Epoxy cement 17.When do you need bracing for a drywall wall?Answer Diagonal bracing is needed every 25' for any drywall wall.

18.How should you clear the roots from a construction site?Answer Clear roots to 12" below grade.

19.Dividing watts by amps gives you Answer Volts 20.The most frequent on-the-job roofing accidents are Answer Falls 21.Which pipe is NOT appropriate for industrial wastes?A.Cast iron B.Schedule 40 ABS DWV

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