CSLB B LICENSE GENERAL CONTRACTOR EXAM
STUDY GUIDE – EXPERT VERIFIED ACTUAL
QUESTIONS & ANSWERS FOR GUARANTEED PASS
| NEWEST UPDATE, 2025-2026.
Terms in this set (330)
If unused mortar stiffens due Discard the mortar
to hydration of cement, what
must you do?
What minimum time must 24-48 Hours
you wait before caulking or
grouting new tiles?
How long should you wait 24 Hours
before installing tile on a
shower pan?
Unstable dry rock, angular Type-B Soils
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:
If 65 street lights are fed by 35V
a 2275 volt series circuit,
what is the voltage across
In a series circuit, the total voltage is divided equally.
each light?
1:1 (45°)
For safety reasons, the
maximum simple slope of
an excavation, up to 20 ft
deep, in Type-B soil is:
,A Pittsburgh joint is used in: HVAC ductwork
The drain for a pressure The outside of the building
relief valve on a water
heater should be
extended to:
What is the minimum slope 1/4" per foot (2%)
toward the drain of a shower
pan?
What is the diameter of #3 3/8"
rebar?
If a vendor fails to provide an Cal/OSHA or DOSH
MSDS, you have the right to
call:
When installing a door jamb, Both hinge and strike sides, three on each side.
you need shims at:
Which of the following is Epoxy cement
used to adhere vinyl
floors?
A. Epoxy cement
B. Asphalt mastic
C. Latex primer
D. White glue
When do you need bracing Diagonal bracing is needed every 25' for any drywall wall.
for a drywall wall?
How should you clear the Clear roots to 12" below grade.
roots from a construction
site?
Dividing watts by amps gives Volts
you:
,The most frequent on-thejob Falls
roofing accidents are:
Which of the following is NOT Wood tile
a type of wood block
flooring?
A. Parquet
B. Wood Mosaic
C. Wood Tile
D. All of the above.
Lightweight concrete is best Second floor decking
used for:
A. Curb and Gutter
B. Second floor decking
C. First floor slab on grade
D. Footings
The tool used to carry Spot Board
grout needed to patch a
small hole is a:
A. Hawk
B. Poling board
C. Spot board
D. Mason's scutch
Which pipe is NOT Copper
appropriate for industrial
wastes?
A. Cast iron
B. Schedule 40 ABS DWV
C. Extra strength
vitrifiedclay
D. Copper
, Where do you need a fire A separation wall between a dwelling and an attachment.
wall?
A. Between a living
roomand a bedroom
B. Between a
bedroomand a bathroom
C. Between a kitchen
anda bath
D. A separation
wallbetween a dwelling and
an attachment
What is the minimum 18 inches
clearance between rough
ground and untreated
subfloor joists?
Who may remove asbestos? Contractor with Asbestos Certification on license.
Which of the following is Clay
NOT likely to be found in
significant proportions in
granular soil?
A. Gravel
B. Sand
C. Silt
D. Clay
Stiles and rails are used on Windows.
which of the following?
A stile is the vertical edges of the window and the rails are the
bottom and top.
A. Furred walls
B. Roofs
C. Windows
D. Slabs
STUDY GUIDE – EXPERT VERIFIED ACTUAL
QUESTIONS & ANSWERS FOR GUARANTEED PASS
| NEWEST UPDATE, 2025-2026.
Terms in this set (330)
If unused mortar stiffens due Discard the mortar
to hydration of cement, what
must you do?
What minimum time must 24-48 Hours
you wait before caulking or
grouting new tiles?
How long should you wait 24 Hours
before installing tile on a
shower pan?
Unstable dry rock, angular Type-B Soils
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:
If 65 street lights are fed by 35V
a 2275 volt series circuit,
what is the voltage across
In a series circuit, the total voltage is divided equally.
each light?
1:1 (45°)
For safety reasons, the
maximum simple slope of
an excavation, up to 20 ft
deep, in Type-B soil is:
,A Pittsburgh joint is used in: HVAC ductwork
The drain for a pressure The outside of the building
relief valve on a water
heater should be
extended to:
What is the minimum slope 1/4" per foot (2%)
toward the drain of a shower
pan?
What is the diameter of #3 3/8"
rebar?
If a vendor fails to provide an Cal/OSHA or DOSH
MSDS, you have the right to
call:
When installing a door jamb, Both hinge and strike sides, three on each side.
you need shims at:
Which of the following is Epoxy cement
used to adhere vinyl
floors?
A. Epoxy cement
B. Asphalt mastic
C. Latex primer
D. White glue
When do you need bracing Diagonal bracing is needed every 25' for any drywall wall.
for a drywall wall?
How should you clear the Clear roots to 12" below grade.
roots from a construction
site?
Dividing watts by amps gives Volts
you:
,The most frequent on-thejob Falls
roofing accidents are:
Which of the following is NOT Wood tile
a type of wood block
flooring?
A. Parquet
B. Wood Mosaic
C. Wood Tile
D. All of the above.
Lightweight concrete is best Second floor decking
used for:
A. Curb and Gutter
B. Second floor decking
C. First floor slab on grade
D. Footings
The tool used to carry Spot Board
grout needed to patch a
small hole is a:
A. Hawk
B. Poling board
C. Spot board
D. Mason's scutch
Which pipe is NOT Copper
appropriate for industrial
wastes?
A. Cast iron
B. Schedule 40 ABS DWV
C. Extra strength
vitrifiedclay
D. Copper
, Where do you need a fire A separation wall between a dwelling and an attachment.
wall?
A. Between a living
roomand a bedroom
B. Between a
bedroomand a bathroom
C. Between a kitchen
anda bath
D. A separation
wallbetween a dwelling and
an attachment
What is the minimum 18 inches
clearance between rough
ground and untreated
subfloor joists?
Who may remove asbestos? Contractor with Asbestos Certification on license.
Which of the following is Clay
NOT likely to be found in
significant proportions in
granular soil?
A. Gravel
B. Sand
C. Silt
D. Clay
Stiles and rails are used on Windows.
which of the following?
A stile is the vertical edges of the window and the rails are the
bottom and top.
A. Furred walls
B. Roofs
C. Windows
D. Slabs
