CSLB B LICENSE GENERAL
CONTRACTOR EXAM
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
,CSLB B LICENSE GENERAL
CONTRACTOR EXAM
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?
A. Epoxy cement
B. Asphalt mastic
C. Latex primer
D. 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?
A. Parquet
B. Wood Mosaic
C. Wood Tile
D. All of the above. ✔✔ correct answer Wood tile
Lightweight concrete is best used for:
A. Curb and Gutter
B. Second floor decking
,CSLB B LICENSE GENERAL
CONTRACTOR EXAM
C. First floor slab on grade
D. Footings ✔✔ correct 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 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 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 answer A separation wall
between a dwelling and an attachment.
What is the minimum clearance between rough ground and untreated subfloor joists? ✔✔ correct
answer 18 inches
Who may remove asbestos? ✔✔ correct answer Contractor with Asbestos Certification on license.
, CSLB B LICENSE GENERAL
CONTRACTOR EXAM
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
Stiles and rails are used on which of the following?
A. Furred walls
B. Roofs
C. Windows
D. Slabs ✔✔ correct answer Windows.
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?
A. Oiled
B. Watered
C. Placed against gravel
D. Discarded after each use ✔✔ correct answer Oiled
What does the R mean in a description of insulation? ✔✔ correct answer Resistance
What kind of door would you install for someone with a disability?
CONTRACTOR EXAM
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
,CSLB B LICENSE GENERAL
CONTRACTOR EXAM
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?
A. Epoxy cement
B. Asphalt mastic
C. Latex primer
D. 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?
A. Parquet
B. Wood Mosaic
C. Wood Tile
D. All of the above. ✔✔ correct answer Wood tile
Lightweight concrete is best used for:
A. Curb and Gutter
B. Second floor decking
,CSLB B LICENSE GENERAL
CONTRACTOR EXAM
C. First floor slab on grade
D. Footings ✔✔ correct 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 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 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 answer A separation wall
between a dwelling and an attachment.
What is the minimum clearance between rough ground and untreated subfloor joists? ✔✔ correct
answer 18 inches
Who may remove asbestos? ✔✔ correct answer Contractor with Asbestos Certification on license.
, CSLB B LICENSE GENERAL
CONTRACTOR EXAM
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
Stiles and rails are used on which of the following?
A. Furred walls
B. Roofs
C. Windows
D. Slabs ✔✔ correct answer Windows.
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?
A. Oiled
B. Watered
C. Placed against gravel
D. Discarded after each use ✔✔ correct answer Oiled
What does the R mean in a description of insulation? ✔✔ correct answer Resistance
What kind of door would you install for someone with a disability?
