CSLB B LICENSE GENERAL CONTRACTOR EXAM QUESTIONS WITH CORRECT ANSWERS.

CSLB B LICENSE GENERAL CONTRACTOR
EXAM QUESTIONS WITH CORRECT
ANSWERS

If unused mortar stiffens due to hydration of cement, what must you do? - Correct Answer - Discard the
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mortar
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What minimum time must you wait before caulking or grouting new tiles? - Correct Answer - 24-48 Hours
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How long should you wait before installing tile on a shower pan? - Correct Answer - 24 Hours
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Unstable dry rock, angular gravel, sandy loam, and cohesive soils having compressive strengths greater
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than 0.5 and less than 1.5 tons/sq ft (tsf), 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 across each light? - Correct Answer
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- 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 deep, in Type-B soil is: - Correct
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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 to: - Correct Answer - The
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outside of the building
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What is the minimum slope toward the drain of a shower pan? - Correct Answer - 1/4" per foot (2%)
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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 Answer - Cal/OSHA or DOSH
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When installing a door jamb, you need shims at: - Correct Answer - Both hinge and strike sides, three on
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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 bracing is needed every 25' for
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any drywall wall.
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How should you clear the roots from a construction site? - Correct Answer - 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: J J J J J




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? J J J J J J




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 Answer - A separation wall between a
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dwelling and an attachment.
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What is the minimum clearance between rough ground and untreated subfloor joists? - Correct Answer -
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18 inches
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Who may remove asbestos? - Correct Answer - Contractor with Asbestos Certification on license.
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Which of the following is NOT likely to be found in significant proportions in granular soil?
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A. Gravel
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B. Sand
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C. Silt
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D. Clay - Correct Answer - Clay
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Stiles and rails are used on which of the following?
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A. Furred walls
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, B. RoofsJ




C. Windows
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D. Slabs - Correct Answer - Windows.
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A stile is the vertical edges of the window and the rails are the bottom and top.
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What does a high slump test indicate? - Correct Answer - Too much water.
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Metal concrete forms should be?
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A. OiledJ




B. Watered
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C. Placed against gravel
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D. Discarded after each use - Correct Answer - Oiled
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What does the R mean in a description of insulation? - Correct Answer - Resistance
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What kind of door would you install for someone with a disability?
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A. Automatic with minimum of 3 seconds to close
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B. Automatic with maximum of 5 seconds to open
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C. Manual with maximum of 8.5 pounds to operate
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D. Either A or C - Correct Answer - Either A or C
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Triple-walled metal chimney installations are regulated by: - Correct Answer - ICC
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ICC-IBC-IRC is the international code council. IBC is international building code commercial. IRC is the
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international residential code.
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If you are a general contractor, you should call a specialty contractor when: - Correct Answer - You
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encounter an unfamiliar trade.
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When a stairway serves a public building, what is the minimum number of steps for which a handrail is
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required? - Correct Answer - Two
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