CSLB B LICENSE GENERAL CONTRACTOR EXAM
QUESTION BANK | 2025 COMPLETE CSLB B LICENSE
ACTUAL EXAM WITH CORRECT VERIFIED ANSWERS
| ALREADY GRADED A+ | BRAND NEW
How many continuous watts of load are permitted in a 12 gauge branch
circuit? - ✔✔✔ Correct Answer > A 12 gauge branch circuit is permitted
to carry a 2,000 watt continuous load.
Which of the following is used to adhere vinyl floors?
A. Epoxy cement
B. Asphalt mastic
C. Latex primer
D. White glue - ✔✔✔ Correct Answer > Epoxy cement
Where are you most likely to find the rules for soldering copper pipe? -
✔✔✔ Correct Answer > The UPC
,What is the tolerance on effective depth when placing rebar in a slab
more than 8" thick? - ✔✔✔ Correct Answer > On a slab MORE than 8"
thick, the tolerance on effective depth is + or - 1/2".
How do you decide which metal bracket to use? - ✔✔✔ Correct Answer
> Per specification in the construction documents.
How would you best determine if a soil is expansive? - ✔✔✔ Correct
Answer > Have the soil tested
Where would be the best place to look for a roof leak? - ✔✔✔ Correct
Answer > Valley flashings are the best place to look for a roof leak.
What does a high slump test indicate? - ✔✔✔ Correct Answer > Too
much water.
Metal concrete forms should be?
,A. Oiled
B. Watered
C. Placed against gravel
D. Discarded after each use - ✔✔✔ Correct Answer > Oiled
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%)
What is the diameter of #3 rebar? - ✔✔✔ Correct Answer > 3/8"
QUESTION BANK | 2025 COMPLETE CSLB B LICENSE
ACTUAL EXAM WITH CORRECT VERIFIED ANSWERS
| ALREADY GRADED A+ | BRAND NEW
How many continuous watts of load are permitted in a 12 gauge branch
circuit? - ✔✔✔ Correct Answer > A 12 gauge branch circuit is permitted
to carry a 2,000 watt continuous load.
Which of the following is used to adhere vinyl floors?
A. Epoxy cement
B. Asphalt mastic
C. Latex primer
D. White glue - ✔✔✔ Correct Answer > Epoxy cement
Where are you most likely to find the rules for soldering copper pipe? -
✔✔✔ Correct Answer > The UPC
,What is the tolerance on effective depth when placing rebar in a slab
more than 8" thick? - ✔✔✔ Correct Answer > On a slab MORE than 8"
thick, the tolerance on effective depth is + or - 1/2".
How do you decide which metal bracket to use? - ✔✔✔ Correct Answer
> Per specification in the construction documents.
How would you best determine if a soil is expansive? - ✔✔✔ Correct
Answer > Have the soil tested
Where would be the best place to look for a roof leak? - ✔✔✔ Correct
Answer > Valley flashings are the best place to look for a roof leak.
What does a high slump test indicate? - ✔✔✔ Correct Answer > Too
much water.
Metal concrete forms should be?
,A. Oiled
B. Watered
C. Placed against gravel
D. Discarded after each use - ✔✔✔ Correct Answer > Oiled
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%)
What is the diameter of #3 rebar? - ✔✔✔ Correct Answer > 3/8"
