CSLB B LICENSE GENERAL CONTRACTOR
EXAM QUESTIONS WITH CORRECT
ANSWERS
If unused mortar stiffens due to hydration of cement, what must you do? - Correct Answer - Discard the
V
mortar
What minimum time must you wait before caulking or grouting new tiles? - Correct Answer - 24-48
V
Hours
How long should you wait before installing tile on a shower pan? - Correct Answer - 24 Hours
V
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
V
If 65 street lights are fed by a 2275 volt series circuit, what is the voltage across each light? - Correct
VAnswer - 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°)
V
A Pittsburgh joint is used in: - Correct Answer - HVAC ductwork
V
The drain for a pressure relief valve on a water heater should be extended to: - Correct Answer - The
V
outside of the building
What is the minimum slope toward the drain of a shower pan? - Correct Answer - 1/4" per foot (2%)
V
What is the diameter of #3 rebar? - Correct Answer - 3/8"
V
If a vendor fails to provide an MSDS, you have the right to call: - Correct Answer - Cal/OSHA or DOSH
V
When installing a door jamb, you need shims at: - Correct Answer - Both hinge and strike sides, three on
V
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 Answer - Epoxy cement
V
When do you need bracing for a drywall wall? - Correct Answer - Diagonal bracing is needed every 25'
V
for any drywall wall.
How should you clear the roots from a construction site? - Correct Answer - Clear roots to 12" below
V
grade.
Dividing watts by amps gives you: - Correct Answer - Volts
V
The most frequent on-the-job roofing accidents are: - Correct Answer - Falls
V
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 Answer - Wood tile
V
Lightweight concrete is best used for:
A. Curb and Gutter
B. Second floor decking
C. First floor slab on grade
D. Footings - Correct Answer - Second floor decking
V
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 Answer - Spot Board
V
Which pipe is NOT appropriate for industrial wastes?
A. Cast iron
B. Schedule 40 ABS DWV
C. Extra strength vitrified clay
D. Copper - Correct Answer - Copper
V
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 Answer - A separation wall
V
between a dwelling and an attachment.
What is the minimum clearance between rough ground and untreated subfloor joists? - Correct Answer
V
- 18 inches
Who may remove asbestos? - Correct Answer - Contractor with Asbestos Certification on license.
V
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 Answer - Clay
V
Stiles and rails are used on which of the following?
, A. Furred walls
B. Roofs
C. Windows
D. Slabs - Correct Answer - Windows.
V
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.
V
Metal concrete forms should be?
A. Oiled
B. Watered
C. Placed against gravel
D. Discarded after each use - Correct Answer - Oiled
V
What does the R mean in a description of insulation? - Correct Answer - Resistance
V
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 Answer - Either A or C
V
Triple-walled metal chimney installations are regulated by: - Correct Answer - ICC
V
ICC-IBC-IRC is the international code council. IBC is international building code commercial. IRC is the
international residential code.
If you are a general contractor, you should call a specialty contractor when: - Correct Answer - You
V
encounter an unfamiliar trade.
EXAM QUESTIONS WITH CORRECT
ANSWERS
If unused mortar stiffens due to hydration of cement, what must you do? - Correct Answer - Discard the
V
mortar
What minimum time must you wait before caulking or grouting new tiles? - Correct Answer - 24-48
V
Hours
How long should you wait before installing tile on a shower pan? - Correct Answer - 24 Hours
V
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
V
If 65 street lights are fed by a 2275 volt series circuit, what is the voltage across each light? - Correct
VAnswer - 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°)
V
A Pittsburgh joint is used in: - Correct Answer - HVAC ductwork
V
The drain for a pressure relief valve on a water heater should be extended to: - Correct Answer - The
V
outside of the building
What is the minimum slope toward the drain of a shower pan? - Correct Answer - 1/4" per foot (2%)
V
What is the diameter of #3 rebar? - Correct Answer - 3/8"
V
If a vendor fails to provide an MSDS, you have the right to call: - Correct Answer - Cal/OSHA or DOSH
V
When installing a door jamb, you need shims at: - Correct Answer - Both hinge and strike sides, three on
V
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 Answer - Epoxy cement
V
When do you need bracing for a drywall wall? - Correct Answer - Diagonal bracing is needed every 25'
V
for any drywall wall.
How should you clear the roots from a construction site? - Correct Answer - Clear roots to 12" below
V
grade.
Dividing watts by amps gives you: - Correct Answer - Volts
V
The most frequent on-the-job roofing accidents are: - Correct Answer - Falls
V
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 Answer - Wood tile
V
Lightweight concrete is best used for:
A. Curb and Gutter
B. Second floor decking
C. First floor slab on grade
D. Footings - Correct Answer - Second floor decking
V
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 Answer - Spot Board
V
Which pipe is NOT appropriate for industrial wastes?
A. Cast iron
B. Schedule 40 ABS DWV
C. Extra strength vitrified clay
D. Copper - Correct Answer - Copper
V
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 Answer - A separation wall
V
between a dwelling and an attachment.
What is the minimum clearance between rough ground and untreated subfloor joists? - Correct Answer
V
- 18 inches
Who may remove asbestos? - Correct Answer - Contractor with Asbestos Certification on license.
V
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 Answer - Clay
V
Stiles and rails are used on which of the following?
, A. Furred walls
B. Roofs
C. Windows
D. Slabs - Correct Answer - Windows.
V
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.
V
Metal concrete forms should be?
A. Oiled
B. Watered
C. Placed against gravel
D. Discarded after each use - Correct Answer - Oiled
V
What does the R mean in a description of insulation? - Correct Answer - Resistance
V
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 Answer - Either A or C
V
Triple-walled metal chimney installations are regulated by: - Correct Answer - ICC
V
ICC-IBC-IRC is the international code council. IBC is international building code commercial. IRC is the
international residential code.
If you are a general contractor, you should call a specialty contractor when: - Correct Answer - You
V
encounter an unfamiliar trade.
