17/06/2025, 11:44 CSLB B LICENSE GENERAL CONTRACTOR EXAM (2025) QUESTIONS AND (DETAILED ANSWERS) WITH COMPLETE SOL…
CSLB B LICENSE GENERAL CONTRACTOR EXAM
(2025) QUESTIONS AND (DETAILED ANSWERS)
WITH COMPLETE SOLUTIONS
Save
Terms in this set (330)
If unused mortar stiffens Discard the mortar
due 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 35V
by a 2275 volt series
circuit, what is the voltage In a series circuit, the total voltage is divided equally.
across each light?
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,17/06/2025, 11:44 CSLB B LICENSE GENERAL CONTRACTOR EXAM (2025) QUESTIONS AND (DETAILED ANSWERS) WITH COMPLETE SOL…
For safety reasons, the 1:1 (45°)
maximum simple slope of
an excavation, up to 20 ft
deep, in Type-B soil is:
A Pittsburgh joint is used HVAC ductwork
in:
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 Cal/OSHA or DOSH
an MSDS, you have the
right to call:
When installing a door Both hinge and strike sides, three on each side.
jamb, 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 Diagonal bracing is needed every 25' for any drywall
bracing for a drywall wall? wall.
How should you clear the Clear roots to 12" below grade.
roots from a construction
site?
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,17/06/2025, 11:44 CSLB B LICENSE GENERAL CONTRACTOR EXAM (2025) QUESTIONS AND (DETAILED ANSWERS) WITH COMPLETE SOL…
Dividing watts by amps Volts
gives you:
The most frequent on-the- Falls
job roofing accidents are:
Which of the following is Wood tile
NOT a type of wood block
flooring?
A. Parquet
B. Wood Mosaic
C. Wood Tile
D. All of the above.
Lightweight concrete is Second floor decking
best 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
https://quizlet.com/1054983955/cslb-b-license-general-contractor-exam-2025-questions-and-detailed-answers-with-complete-solutions-flash-cards/?n… 3/53
, 17/06/2025, 11:44 CSLB B LICENSE GENERAL CONTRACTOR EXAM (2025) QUESTIONS AND (DETAILED ANSWERS) WITH COMPLETE SOL…
Which pipe is NOT Copper
appropriate for industrial
wastes?
A. Cast iron
B. Schedule 40 ABS DWV
C. Extra strength vitrified
clay
D. Copper
Where do you need a fire A separation wall between a dwelling and an
wall? attachment.
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
What is the minimum 18 inches
clearance between rough
ground and untreated
subfloor joists?
Who may remove Contractor with Asbestos Certification on license.
asbestos?
https://quizlet.com/1054983955/cslb-b-license-general-contractor-exam-2025-questions-and-detailed-answers-with-complete-solutions-flash-cards/?n… 4/53
CSLB B LICENSE GENERAL CONTRACTOR EXAM
(2025) QUESTIONS AND (DETAILED ANSWERS)
WITH COMPLETE SOLUTIONS
Save
Terms in this set (330)
If unused mortar stiffens Discard the mortar
due 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 35V
by a 2275 volt series
circuit, what is the voltage In a series circuit, the total voltage is divided equally.
across each light?
https://quizlet.com/1054983955/cslb-b-license-general-contractor-exam-2025-questions-and-detailed-answers-with-complete-solutions-flash-cards/?n… 1/53
,17/06/2025, 11:44 CSLB B LICENSE GENERAL CONTRACTOR EXAM (2025) QUESTIONS AND (DETAILED ANSWERS) WITH COMPLETE SOL…
For safety reasons, the 1:1 (45°)
maximum simple slope of
an excavation, up to 20 ft
deep, in Type-B soil is:
A Pittsburgh joint is used HVAC ductwork
in:
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 Cal/OSHA or DOSH
an MSDS, you have the
right to call:
When installing a door Both hinge and strike sides, three on each side.
jamb, 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 Diagonal bracing is needed every 25' for any drywall
bracing for a drywall wall? wall.
How should you clear the Clear roots to 12" below grade.
roots from a construction
site?
https://quizlet.com/1054983955/cslb-b-license-general-contractor-exam-2025-questions-and-detailed-answers-with-complete-solutions-flash-cards/?n… 2/53
,17/06/2025, 11:44 CSLB B LICENSE GENERAL CONTRACTOR EXAM (2025) QUESTIONS AND (DETAILED ANSWERS) WITH COMPLETE SOL…
Dividing watts by amps Volts
gives you:
The most frequent on-the- Falls
job roofing accidents are:
Which of the following is Wood tile
NOT a type of wood block
flooring?
A. Parquet
B. Wood Mosaic
C. Wood Tile
D. All of the above.
Lightweight concrete is Second floor decking
best 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
https://quizlet.com/1054983955/cslb-b-license-general-contractor-exam-2025-questions-and-detailed-answers-with-complete-solutions-flash-cards/?n… 3/53
, 17/06/2025, 11:44 CSLB B LICENSE GENERAL CONTRACTOR EXAM (2025) QUESTIONS AND (DETAILED ANSWERS) WITH COMPLETE SOL…
Which pipe is NOT Copper
appropriate for industrial
wastes?
A. Cast iron
B. Schedule 40 ABS DWV
C. Extra strength vitrified
clay
D. Copper
Where do you need a fire A separation wall between a dwelling and an
wall? attachment.
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
What is the minimum 18 inches
clearance between rough
ground and untreated
subfloor joists?
Who may remove Contractor with Asbestos Certification on license.
asbestos?
https://quizlet.com/1054983955/cslb-b-license-general-contractor-exam-2025-questions-and-detailed-answers-with-complete-solutions-flash-cards/?n… 4/53
