CSLB B LICENSE GENERAL CONTRACTOR EXAM|COMPLETE STUDY GUIDE WITH HIGH YIELD QUESTIONS AND 100% RIGHT/AUTHENTIC ANSWERS|LATEST VERSION 2025| GET A PASS ON YOUR FIRST TRIAL

If unused mortar stiffens due to hydration of cement, what must you do? - CORRECT ANSWERS️️Discard the mortar What minimum time must you wait before caulking or grouting new tiles? - CORRECT ANSWERS️️24-48 Hours How long should you wait before installing tile on a shower pan? - CORRECT ANSWERS️️24 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 ANSWERS️️Type-B Soils If 65 street lights are fed by a 2275 volt series circuit, what is the voltage across each light? - CORRECT ANSWERS️️35V 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 ANSWERS️️1:1 (45°) A Pittsburgh joint is used in: - CORRECT ANSWERS️️HVAC ductwork The drain for a pressure relief valve on a water heater should be extended to: - CORRECT ANSWERS️️The outside of the building What is the minimum slope toward the drain of a shower pan? - CORRECT ANSWERS️️1/4" per foot (2%) What is the diameter of #3 rebar? - CORRECT ANSWERS️️3/8" If a vendor fails to provide an MSDS, you have the right to call: - CORRECT ANSWERS️️Cal/OSHA or DOSH When installing a door jamb, you need shims at: - CORRECT ANSWERS️️Both hinge and strike sides, three on each side. Which of the following is used to adhere vinyl floors? A. Epoxy cement B. Asphalt mastic C. Latex primer D. White glue - CORRECT ANSWERS️️Epoxy cement When do you need bracing for a drywall wall? - CORRECT ANSWERS️️Diagonal bracing is needed every 25' for any drywall wall. How should you clear the roots from a construction site? - CORRECT ANSWERS️️Clear roots to 12" below grade. Dividing watts by amps gives you: - CORRECT ANSWERS️️Volts The most frequent on-the-job roofing accidents are: - CORRECT ANSWERS️️Falls 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. - CORRECT ANSWERS️️Wood tile Lightweight concrete is best used for: A. Curb and Gutter B. Second floor decking C. First floor slab on grade D. Footings - CORRECT ANSWERS️️Second floor decking The tool used to carry grout needed to patch a small hole is a: A. Hawk B. Poling board C. Spot board D. Mason's scutch - CORRECT ANSWERS️️Spot Board Which pipe is NOT appropriate for industrial wastes? A. Cast iron B. Schedule 40 ABS DWV C. Extra strength vitrified clay D. Copper - CORRECT ANSWERS️️Copper Where do you need a fire wall? A. Between a living room and a bedroom B. Between a bedroom and a bathroom C. Between a kitchen and a bath D. A separation wall between a dwelling and an attachment - CORRECT ANSWERS️️A separation wall between a dwelling and an attachment. What is the minimum clearance between rough ground and untreated subfloor joists? - CORRECT ANSWERS️️18 inches Who may remove asbestos? - CORRECT ANSWERS️️Contractor with Asbestos Certification on license. Which of the following is NOT likely to be found in significant proportions in granular soil? A. Gravel B. Sand C. Silt D. Clay - CORRECT ANSWERS️️Clay Stiles and rails are used on which of the following? A. Furred walls B. Roofs C. Windows D. Slabs - CORRECT ANSWERS️️Windows. 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 ANSWERS️️Too much water. Metal concrete forms should be? A. Oiled B. Watered C. Placed against gravel D. Discarded after each use - CORRECT ANSWERS️️Oiled What does the R mean in a description of insulation? - CORRECT ANSWERS️️Resistance What kind of door would you install for someone with a disability? A. Automatic with minimum of 3 seconds to close B. Automatic with maximum of 5 seconds to open C. Manual with maximum of 8.5 pounds to operate D. Either A or C - CORRECT ANSWERS️️Either A or C Triple-walled metal chimney installations are regulated by: - CORRECT ANSWERS️️ICC ICC-IBC-IRC is the international code council. IBC is international building code commercial. IRC is the international residential code.