CSLB B LICENSE GENERAL CONTRACTOR EXAM STUDY
GUIDE – EXPERT VERIFIED ACTUAL QUESTIONS &
ANSWERS FOR GUARANTEED PASS | NEWEST UPDATE
If unused mortar stiffens due to hydration of cement, what must you do? -
answer-Discard the mortar
What minimum time must you wait before caulking or grouting new tiles? -
answer-24-48 Hours
How long should you wait before installing tile on a shower pan? - answer-24
Hours
What is a bush-hammer used for? - answer-Roughen surface of hardened
concrete.
When you say a wall is perfect it is: - answer-Both plumb and straight.
The purpose of a batter board in concrete work is: - answer-Support layout
strings when location foundations.
What is the difference between a hip jack rafter and a common rafter? -
answer-A hip jack runs from the top plate to a hip rafter, but a common rafter
runs to the ridge board.
,When should you float a concrete surface? - answer-As soon as the water
sheen evaporates
When installing drywall screws you should:
A. Countersink
B. Drive just below the face of the board
C. Leave slightly above the surface
D. Use the highest torque setting - answer-Drive just below the face of the
board without breaking the paper.
Before placing tile with mastic, you should: - answer-Seal the surface.
At an excavation, an Underground Service Alert (U.S.A) marking on the dirt
that uses red paint or chalk means: - answer-Electric power
How many diameters is the minimum lap (overlap) between sections of rebar
in reinforced masonry?
A. 7
B. 12
C. 24
D. 30 - answer-30 diameters
,What is the minimum length of a handrail extension that is required for a
stairway? - answer-12"
When may a contractor work alone on a roof at a construction site? - answer-
Never
A Freon recovery system is required when:
A. Replacing a burnt out rotor in a hermetic unit
B. Overhauling a rooftop A/C unit
C. Scrapping an old refrigeration unit
D. All of the above - answer-All of the above
Which of the following would you use to install roofing tiles?
A. Slathers stake
B. Any roofing tool
C. Roofers hatchet
D. Masking tape - answer-A slathers stake
A slathers stake looks like the head of a hammerhead shark. The head forms a
T with the shaft, but the head is slightly bent. It provides a flat, straight edge
for cutting and trimming your slate.
, When determining the layout of a residential building, the most important
element to take into account is the: - answer-Property lines
Where should the first upper cabinet be installed? - answer-At an inside corner
How deep must electrical be in a public area if the conduit is PVC and there is
no vehicle traffic? - answer-18"
In electrical work, the green wire is the: - answer-Grounding conductor
What is the longest length ladder that Cal/OSHA approves? - answer-44' is the
longest ladder Cal/OSHA approves
Under what condition can you add one additional layer to existing asphalt
shingles on a roof? - answer-If the roof is less than three layers.
How should a residential water heater be protected from earthquakes? -
answer-It should be attached to a wall.
You would use a 1.5 GPM fixture when: - answer-You want to conserve water
The best way to handle an I-beam is with a: - answer-Nylon strap
To determine if a wall is plumb, us a: - answer-Level and straight edge
GUIDE – EXPERT VERIFIED ACTUAL QUESTIONS &
ANSWERS FOR GUARANTEED PASS | NEWEST UPDATE
If unused mortar stiffens due to hydration of cement, what must you do? -
answer-Discard the mortar
What minimum time must you wait before caulking or grouting new tiles? -
answer-24-48 Hours
How long should you wait before installing tile on a shower pan? - answer-24
Hours
What is a bush-hammer used for? - answer-Roughen surface of hardened
concrete.
When you say a wall is perfect it is: - answer-Both plumb and straight.
The purpose of a batter board in concrete work is: - answer-Support layout
strings when location foundations.
What is the difference between a hip jack rafter and a common rafter? -
answer-A hip jack runs from the top plate to a hip rafter, but a common rafter
runs to the ridge board.
,When should you float a concrete surface? - answer-As soon as the water
sheen evaporates
When installing drywall screws you should:
A. Countersink
B. Drive just below the face of the board
C. Leave slightly above the surface
D. Use the highest torque setting - answer-Drive just below the face of the
board without breaking the paper.
Before placing tile with mastic, you should: - answer-Seal the surface.
At an excavation, an Underground Service Alert (U.S.A) marking on the dirt
that uses red paint or chalk means: - answer-Electric power
How many diameters is the minimum lap (overlap) between sections of rebar
in reinforced masonry?
A. 7
B. 12
C. 24
D. 30 - answer-30 diameters
,What is the minimum length of a handrail extension that is required for a
stairway? - answer-12"
When may a contractor work alone on a roof at a construction site? - answer-
Never
A Freon recovery system is required when:
A. Replacing a burnt out rotor in a hermetic unit
B. Overhauling a rooftop A/C unit
C. Scrapping an old refrigeration unit
D. All of the above - answer-All of the above
Which of the following would you use to install roofing tiles?
A. Slathers stake
B. Any roofing tool
C. Roofers hatchet
D. Masking tape - answer-A slathers stake
A slathers stake looks like the head of a hammerhead shark. The head forms a
T with the shaft, but the head is slightly bent. It provides a flat, straight edge
for cutting and trimming your slate.
, When determining the layout of a residential building, the most important
element to take into account is the: - answer-Property lines
Where should the first upper cabinet be installed? - answer-At an inside corner
How deep must electrical be in a public area if the conduit is PVC and there is
no vehicle traffic? - answer-18"
In electrical work, the green wire is the: - answer-Grounding conductor
What is the longest length ladder that Cal/OSHA approves? - answer-44' is the
longest ladder Cal/OSHA approves
Under what condition can you add one additional layer to existing asphalt
shingles on a roof? - answer-If the roof is less than three layers.
How should a residential water heater be protected from earthquakes? -
answer-It should be attached to a wall.
You would use a 1.5 GPM fixture when: - answer-You want to conserve water
The best way to handle an I-beam is with a: - answer-Nylon strap
To determine if a wall is plumb, us a: - answer-Level and straight edge
