CSLB B LICENSE GENER AL CONTRACTOR EXAM 330 QUESTIONS
WITH COMPLETE SOLUTIONS 100% VERIFIED
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.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 1 / 4
When installing a door jamb, you need shims at: - Correct Answer Both hinge and strike sides, three on each side.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?
- Parquet
- Wood Mosaic
- Wood Tile
- All of the above. - Correct Answer Wood tile
Lightweight concrete is best used for: 2 / 4
- 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
- Cast iron
- Schedule 40 ABS DWV
- Extra strength vitrified clay
- Copper - Correct Answer Copper
- Between a living room and a bedroom
- Between a bedroom and a bathroom
- Between a kitchen and a bath
- A separation wall between a dwelling and an attachment - Correct Answer A separation wall between
Which pipe is NOT appropriate for industrial wastes?
Where do you need a fire wall?
a dwelling and an attachment.What is the minimum clearance between rough ground and untreated subfloor joists? - Correct Answer 18 inches 3 / 4
Who may remove asbestos? - Correct Answer Contractor with Asbestos Certification on license.Which of the following is NOT likely to be found in significant proportions in granular soil?
- Gravel
- Sand
- Silt
- Clay - Correct Answer Clay
- Furred walls
- Roofs
- Windows
- Slabs - Correct Answer Windows.
- Oiled
- Watered
- Placed against gravel
- Discarded after each use - Correct Answer Oiled
- / 4
Stiles and rails are used on which of the following?
A stile is the vertical edges of the window and the rails are the bottom and top.What does a high slump test indicate? - Correct Answer Too much water.Metal concrete forms should be?
What does the R mean in a description of insulation? - Correct Answer Resistance