CONTRACTORS STATE LICENSE BOARD
EXAM (CSLB) NEWEST ACTUAL EXAM WITH
QUESTIONS AND DETAILED ANSWERS
RATED A+|100% VERIFIED|2024 UPDATE
|LATEST UPDATE!!!
How deep must electrical be in a public area if the conduit is
PVC and there is no vehicle traffic? - correct answer > 18"
In electrical work, the green wire is the: - correct answer >
Grounding conductor
What is the longest length ladder that Cal/OSHA approves? -
correct 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? - correct answer > If the
roof is less than three layers.
,How should a residential water heater be protected from
earthquakes? - correct answer > It should be attached to a
wall.
You would use a 1.5 GPM fixture when: - correct answer > You
want to conserve water
The best way to handle an I-beam is with a: - correct answer >
Nylon strap
To determine if a wall is plumb, us a: - correct answer > Level
and straight edge
The minimum required thickness for tempered glass used in
residential shower doors is: - correct answer > 1/8 is the
minimum required thickness
How many board feet are in a 5"D x 6"W x 20'L beam? - correct
answer > 50 board feet.
Thickness X Width X Length in Inches dived by 144.
,When nailing roofing, the railheads:
A. Should be brought almost to the surface of the shingle
B. Should not exert any pressure on the roofing
C. Should never be overdriven
D. All of the above - correct answer > All of the above
Soldering of a copper pipe fitting is completed when: - correct
answer > Solder appears all around the joint.
What is the maximum spacing of single nails in a single layer of
drywall on the ceiling? - correct answer > 7" is the maximum
spacing of single nails in a single layer of a drywall ceiling.
If unused mortar stiffens due to hydration of cement, what
must you do? - correct answer > Discard the mortar
What minimum time must you wait before caulking or grouting
new tiles? - correct answer > 24-48 Hours
How long should you wait before installing tile on a shower
pan? - correct 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: - correct
answer > Type-B Soils
If 65 street lights are fed by a 2275 volt series circuit, what is
the voltage across each light? - correct 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: - correct answer > 1:1 (45°)
A Pittsburgh joint is used in: - correct answer > HVAC
ductwork
The drain for a pressure relief valve on a water heater should
be extended to: - correct answer > The outside of the building
What is the minimum slope toward the drain of a shower pan?
- correct answer > 1/4" per foot (2%)
EXAM (CSLB) NEWEST ACTUAL EXAM WITH
QUESTIONS AND DETAILED ANSWERS
RATED A+|100% VERIFIED|2024 UPDATE
|LATEST UPDATE!!!
How deep must electrical be in a public area if the conduit is
PVC and there is no vehicle traffic? - correct answer > 18"
In electrical work, the green wire is the: - correct answer >
Grounding conductor
What is the longest length ladder that Cal/OSHA approves? -
correct 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? - correct answer > If the
roof is less than three layers.
,How should a residential water heater be protected from
earthquakes? - correct answer > It should be attached to a
wall.
You would use a 1.5 GPM fixture when: - correct answer > You
want to conserve water
The best way to handle an I-beam is with a: - correct answer >
Nylon strap
To determine if a wall is plumb, us a: - correct answer > Level
and straight edge
The minimum required thickness for tempered glass used in
residential shower doors is: - correct answer > 1/8 is the
minimum required thickness
How many board feet are in a 5"D x 6"W x 20'L beam? - correct
answer > 50 board feet.
Thickness X Width X Length in Inches dived by 144.
,When nailing roofing, the railheads:
A. Should be brought almost to the surface of the shingle
B. Should not exert any pressure on the roofing
C. Should never be overdriven
D. All of the above - correct answer > All of the above
Soldering of a copper pipe fitting is completed when: - correct
answer > Solder appears all around the joint.
What is the maximum spacing of single nails in a single layer of
drywall on the ceiling? - correct answer > 7" is the maximum
spacing of single nails in a single layer of a drywall ceiling.
If unused mortar stiffens due to hydration of cement, what
must you do? - correct answer > Discard the mortar
What minimum time must you wait before caulking or grouting
new tiles? - correct answer > 24-48 Hours
How long should you wait before installing tile on a shower
pan? - correct 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: - correct
answer > Type-B Soils
If 65 street lights are fed by a 2275 volt series circuit, what is
the voltage across each light? - correct 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: - correct answer > 1:1 (45°)
A Pittsburgh joint is used in: - correct answer > HVAC
ductwork
The drain for a pressure relief valve on a water heater should
be extended to: - correct answer > The outside of the building
What is the minimum slope toward the drain of a shower pan?
- correct answer > 1/4" per foot (2%)
