CSLB B LICENSE GENERAL CONTRACTOR
COMPREHENSIVE EXAM PREP QUESTIONS
AND ANSWERS STUDY GUIDE
●● What minimum time must you wait before caulking or grouting new
tiles?
Answer: 24-48 Hours
●● How long should you wait before installing tile on a shower pan?
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:
Answer: Type-B Soils
●● If 65 street lights are fed by a 2275 volt series circuit, what is the
voltage across each light?
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:
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%)
●● What is the diameter of #3 rebar?
Answer: 3/8"
●● If a vendor fails to provide an MSDS, you have the right to call:
Answer: Cal/OSHA or DOSH
●● When installing a door jamb, you need shims at:
Answer: Both 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
Answer: Epoxy cement
●● When do you need bracing for a drywall wall?
Answer: Diagonal bracing is needed every 25' for any drywall wall.
●● How should you clear the roots from a construction site?
Answer: Clear roots to 12" below grade.
●● Dividing watts by amps gives you:
Answer: Volts
●● The most frequent on-the-job roofing accidents are:
Answer: Falls
●● 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
●● 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
●● 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
Answer: Spot Board
COMPREHENSIVE EXAM PREP QUESTIONS
AND ANSWERS STUDY GUIDE
●● What minimum time must you wait before caulking or grouting new
tiles?
Answer: 24-48 Hours
●● How long should you wait before installing tile on a shower pan?
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:
Answer: Type-B Soils
●● If 65 street lights are fed by a 2275 volt series circuit, what is the
voltage across each light?
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:
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%)
●● What is the diameter of #3 rebar?
Answer: 3/8"
●● If a vendor fails to provide an MSDS, you have the right to call:
Answer: Cal/OSHA or DOSH
●● When installing a door jamb, you need shims at:
Answer: Both 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
Answer: Epoxy cement
●● When do you need bracing for a drywall wall?
Answer: Diagonal bracing is needed every 25' for any drywall wall.
●● How should you clear the roots from a construction site?
Answer: Clear roots to 12" below grade.
●● Dividing watts by amps gives you:
Answer: Volts
●● The most frequent on-the-job roofing accidents are:
Answer: Falls
●● 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
●● 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
●● 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
Answer: Spot Board
