CSLB B LICENSE GENERAL CONTRACTOR EXAM
LATEST 2024/2025 QUESTIONS AND CORRECT
CORRECT 100%ANSWERS(100% CORRECT
VERIFIED CORRECT 100%ANSWERS)ALREADY
GRADED A+
If unused mortar stiffens due to hydration of cement, what must you do? -
CORRECT 100%ANSWER-Discard the mortar
What minimum time must you wait before caulking or grouting new tiles? -
CORRECT 100%ANSWER-24-48 Hours
How long should you wait before installing tile on a shower pan? - CORRECT
100%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 100%ANSWER-Type-B Soils
If 65 street lights are fed by a 2275 volt series circuit, what is the voltage across
each light? - CORRECT 100%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 100%ANSWER-1:1 (45°)
A Pittsburgh joint is used in: - CORRECT 100%ANSWER-HVAC ductwork
The drain for a pressure relief valve on a water heater should be extended to: -
CORRECT 100%ANSWER-The outside of the building
What is the minimum slope toward the drain of a shower pan? - CORRECT
100%ANSWER-1/4" per foot (2%)
What is the diameter of #3 rebar? - CORRECT 100%ANSWER-3/8"
If a vendor fails to provide an MSDS, you have the right to call: - CORRECT
100%ANSWERCal/OSHA or DOSH
When installing a door jamb, you need shims at: - CORRECT 100%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 - CORRECT 100%ANSWER-Epoxy cement
When do you need bracing for a drywall wall? - CORRECT 100%ANSWER-
Diagonal bracing is needed every 25' for any drywall wall.
,How should you clear the roots from a construction site? - CORRECT
100%ANSWER-Clear roots to 12" below grade.
Dividing watts by amps gives you: - CORRECT 100%ANSWER-Volts
The most frequent on-the-job roofing accidents are: - CORRECT 100%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. - CORRECT 100%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 - CORRECT 100%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 - CORRECT 100%ANSWER-Spot 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 100%ANSWER-Copper
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
100%ANSWER-A separation wall between a dwelling and an attachment.
What is the minimum clearance between rough ground and untreated subfloor
joists? - CORRECT 100%ANSWER-18 inches
Who may remove asbestos? - CORRECT 100%ANSWER-Contractor with
Asbestos Certification on license.
Which of the following is NOT likely to be found in significant proportions in
granular soil?
LATEST 2024/2025 QUESTIONS AND CORRECT
CORRECT 100%ANSWERS(100% CORRECT
VERIFIED CORRECT 100%ANSWERS)ALREADY
GRADED A+
If unused mortar stiffens due to hydration of cement, what must you do? -
CORRECT 100%ANSWER-Discard the mortar
What minimum time must you wait before caulking or grouting new tiles? -
CORRECT 100%ANSWER-24-48 Hours
How long should you wait before installing tile on a shower pan? - CORRECT
100%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 100%ANSWER-Type-B Soils
If 65 street lights are fed by a 2275 volt series circuit, what is the voltage across
each light? - CORRECT 100%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 100%ANSWER-1:1 (45°)
A Pittsburgh joint is used in: - CORRECT 100%ANSWER-HVAC ductwork
The drain for a pressure relief valve on a water heater should be extended to: -
CORRECT 100%ANSWER-The outside of the building
What is the minimum slope toward the drain of a shower pan? - CORRECT
100%ANSWER-1/4" per foot (2%)
What is the diameter of #3 rebar? - CORRECT 100%ANSWER-3/8"
If a vendor fails to provide an MSDS, you have the right to call: - CORRECT
100%ANSWERCal/OSHA or DOSH
When installing a door jamb, you need shims at: - CORRECT 100%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 - CORRECT 100%ANSWER-Epoxy cement
When do you need bracing for a drywall wall? - CORRECT 100%ANSWER-
Diagonal bracing is needed every 25' for any drywall wall.
,How should you clear the roots from a construction site? - CORRECT
100%ANSWER-Clear roots to 12" below grade.
Dividing watts by amps gives you: - CORRECT 100%ANSWER-Volts
The most frequent on-the-job roofing accidents are: - CORRECT 100%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. - CORRECT 100%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 - CORRECT 100%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 - CORRECT 100%ANSWER-Spot 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 100%ANSWER-Copper
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
100%ANSWER-A separation wall between a dwelling and an attachment.
What is the minimum clearance between rough ground and untreated subfloor
joists? - CORRECT 100%ANSWER-18 inches
Who may remove asbestos? - CORRECT 100%ANSWER-Contractor with
Asbestos Certification on license.
Which of the following is NOT likely to be found in significant proportions in
granular soil?
