CSLB B LICENSE GENERAL CONTRACTOR
ACTUAL EXAM 2024/2025 FALL- SPRING QTR 300
QUESTIONS AND ANSWERS
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
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:
,CSLB B LICENSE GENERAL CONTRACTOR EXAM 2024
Type-B Soils
If 65 street lights are fed by a 2275 volt series circuit, what is the voltage across
each light? 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:
1:1 (45°)
A Pittsburgh joint is used in:
HVAC ductwork
The drain for a pressure relief valve on a water heater should be extended to:
The outside of the building
,CSLB B LICENSE GENERAL CONTRACTOR EXAM 2024
What is the minimum slope toward the drain of a shower pan? ANSWER
1/4" per foot (2%)
What is the diameter of #3 rebar? ANSWER
3/8"
If a vendor fails to provide an MSDS, you have the right to call:
Cal/OSHA or DOSH
When installing a door jamb, you need shims at:
Both hinge and strike sides, three on each side.
Which of the following is used to adhere vinyl floors? ANSWER
A. Epoxy cement
B. Asphalt mastic
C. Latex primer
D. White glue
Epoxy cement
, CSLB B LICENSE GENERAL CONTRACTOR EXAM 2024
When do you need bracing for a drywall wall? ANSWER
Diagonal bracing is needed every 25' for any drywall wall.
How should you clear the roots from a construction site? ANSWER
Clear roots to 12" below grade.
Dividing watts by amps gives you:
Volts
The most frequent on-the-job roofing accidents are:
Falls
Which of the following is NOT a type of wood block flooring? ANSWER
A. Parquet
B. Wood Mosaic
C. Wood Tile
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