CSLB B LICENSE GENERAL CONTRACTOR

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CSLB B LICENSE GENERAL CONTRACTOR

EXAM STUDY GUIDE

EXAM WITH CORRECT SOLUTIONS.

If unused mortar stiffens due to hydration of cement, what must you do? - correct answer- Discard the mortar

What minimum time must you wait before caulking or grouting new tiles? - correct answer- 24-48 Hours

How long should you wait before installing tile on a shower pan? - correct answer- 24 Hours

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: - correct

answer- Type-B Soils

If 65 street lights are fed by a 2275 volt series circuit, what is the voltage across each light? - correct answer- 35V

In a series circuit, the total voltage is divided equally. 1 / 4

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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 answer-

1:1 (45°)

A Pittsburgh joint is used in: - correct answer- HVAC ductwork

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

be extended to: - correct answer- The outside of the building

What is the minimum slope toward the drain of a shower pan? - correct answer- 1/4" per foot (2%)

What is the diameter of #3 rebar? - correct answer- 3/8"

If a vendor fails to provide an MSDS, you have the right to call:

• correct answer- Cal/OSHA or DOSH

When installing a door jamb, you need shims at: - correct

answer- Both hinge and strike sides, three on each side. 2 / 4

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Which of the following is used to adhere vinyl floors?

• Epoxy cement
• Asphalt mastic
• Latex primer
• White glue - correct answer- Epoxy cement

When do you need bracing for a drywall wall? - correct answer- Diagonal bracing is needed every 25' for any drywall wall.

How should you clear the roots from a construction site? - correct answer- Clear roots to 12" below grade.

Dividing watts by amps gives you: - correct answer- Volts

The most frequent on-the-job roofing accidents are: - correct

answer- Falls

Which of the following is NOT a type of wood block flooring? 3 / 4

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• Parquet
• Wood Mosaic
• Wood Tile
• All of the above. - correct answer- Wood tile

Lightweight concrete is best used for:

• Curb and Gutter
• Second floor decking
• First floor slab on grade
• Footings - correct answer- Second floor decking

The tool used to carry grout needed to patch a small hole is a:

• Hawk
• Poling board
• Spot board
• Mason's scutch - correct answer- Spot Board

Which pipe is NOT appropriate for industrial wastes?

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