GENERAL CONTRACTOR CSLB B LICENSE EXAM-
Study Set -330 Questions with Complete
Solutions| Verified Answers| 2024-25
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 - ✔✔Either A or C
Triple-walled metal chimney installations are regulated by: - ✔✔ICC
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: - ✔✔You
encounter an unfamiliar trade.
When a stairway serves a public building, what is the minimum number of steps for which a
handrail is required? - ✔✔Two
What is the minimum underlayment for asphalt shingles? - ✔✔15 pounds
How long should you wait before sealing new tile work? - ✔✔2 weeks
When do you install insulation? - ✔✔After the electrical and plumbing are approved.
,When do you NOT need an exhaust fan in a bathroom? - ✔✔When there is a window in the
bathroom.
What is a bush-hammer used for? - ✔✔Roughen surface of hardened concrete.
When you say a wall is perfect it is: - ✔✔Both plumb and straight.
The purpose of a batter board in concrete work is: - ✔✔Support layout strings when location
foundations.
What is the difference between a hip jack rafter and a common rafter? - ✔✔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? - ✔✔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 - ✔✔Drive just below the face of the board without
breaking the paper.
Before placing tile with mastic, you should: - ✔✔Seal the surface.
At an excavation, an Underground Service Alert (U.S.A) marking on the dirt that uses red paint
or chalk means: - ✔✔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 - ✔✔30 diameters
What is the minimum length of a handrail extension that is required for a stairway? - ✔✔12"
When may a contractor work alone on a roof at a construction site? - ✔✔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 - ✔✔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 - ✔✔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: - ✔✔Property lines
Where should the first upper cabinet be installed? - ✔✔At an inside corner
Cemented soil: - ✔✔Cannot be crushed into individual particles with fingers
Which tool is best for measuring odd angles in an existing structure? - ✔✔Bevel square
From the following list, the best choice of woods for exterior carpentry are:
A. Redwood and bald cypress
B. Spruce and fir
C. Pine and sugar maple
D. Fir and hemlock - ✔✔Redwood and bald cypress
If a contractor discovers damaged utilities when starting a job, he should: - ✔✔Call the utility
department involved.
Type-C soils have a compression strength of no more than 0.5 tsp. Which of the following would
not be classified as a Type-C soil?
A. Rounded gravel
B. Crushed rock
C. Sand or loamy sand
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