CSLB B LICENSE GENERAL CONTRACTOR
EXAM 2026 FULL QUESTIONS ANSWERS
ACCURATE SOLUTIONS EXPERT REVIEWED
⩥ What type of solder is used to join a copper water pipe? Answer: Lead
free solder is used to join copper water pipes.
⩥ Who must approve all plumbing fixtures before they are used?
Answer: A local building official must approve all plumbing fixtures
before they are used.
⩥ When a ready-mix concrete truck arrives at the job site, how do you
verify that the quantity and ratio of the concrete are correct? Answer:
Ask the concrete contractor.
⩥ An owner typically holds 10% retention from progress payments
because? Answer: As protection against mechanics liens.
⩥ The most important consideration in preparing a building site is?
Answer: Drainage is the most important consideration in preparing a
building site.
,⩥ What is the minimum size lumber to use in constructing horse
scaffolding 5 ft in height? Answer: A horse scaffolding legs must be
made of 2" x 4" lumber and a ledger made of 2" x 6" lumber.
⩥ How long should tile set on an organic adhesive bed in order to cure?
Answer: Tile should set on an organic adhesive bed for 24 hours to cure.
⩥ What is the maximum height in feet that you can build a retaining
wall without consulting a structural engineer? Answer: 3' is the highest
you can build a retaining wall without consulting a structural engineer.
⩥ What is the maximum height of a threshold for a door designed for
disabled access? Answer: 1/2" is the maximum height of a threshold for
a door designed for disabled access.
⩥ Of the following, concrete would be poured against:
A. Any wood siding
B. Cedar or redwood siding only
C. metal flashing
D. Metal form material Answer: Metal form material
⩥ The function of a Waler is? Answer: A Waler is a horizontal member
used to align and brace concrete forms or piles.
, ⩥ If the width of a door that swings TOWARDS a landing on a ramp is
36", what minimum length landing is required? Answer: A 78" landing is
required for a 36" door that swings TOWARDS a landing.
⩥ What are "as built" plants? Answer: As built plans are plans showing
all changes and repairs.
⩥ Which is the proper order of construction for the following building
trades?
A. framing, plumbing, electrical, insulation
B. Plumbing, electrical, insulation, framing
C. Electrical, insulation, framing, plumbing
D. Insulation, framing, plumbing, electrical Answer: Framing, plumbing,
electrical, insulation.
⩥ According to the UBC, what is the proper height of a handrail for a
stairway? Answer: A handrail for a stairway must be at least 34" high
and no more than 38".
⩥ Dividing volts by amps gives: Answer: Dividing volts by amps gives
you ohms.
EXAM 2026 FULL QUESTIONS ANSWERS
ACCURATE SOLUTIONS EXPERT REVIEWED
⩥ What type of solder is used to join a copper water pipe? Answer: Lead
free solder is used to join copper water pipes.
⩥ Who must approve all plumbing fixtures before they are used?
Answer: A local building official must approve all plumbing fixtures
before they are used.
⩥ When a ready-mix concrete truck arrives at the job site, how do you
verify that the quantity and ratio of the concrete are correct? Answer:
Ask the concrete contractor.
⩥ An owner typically holds 10% retention from progress payments
because? Answer: As protection against mechanics liens.
⩥ The most important consideration in preparing a building site is?
Answer: Drainage is the most important consideration in preparing a
building site.
,⩥ What is the minimum size lumber to use in constructing horse
scaffolding 5 ft in height? Answer: A horse scaffolding legs must be
made of 2" x 4" lumber and a ledger made of 2" x 6" lumber.
⩥ How long should tile set on an organic adhesive bed in order to cure?
Answer: Tile should set on an organic adhesive bed for 24 hours to cure.
⩥ What is the maximum height in feet that you can build a retaining
wall without consulting a structural engineer? Answer: 3' is the highest
you can build a retaining wall without consulting a structural engineer.
⩥ What is the maximum height of a threshold for a door designed for
disabled access? Answer: 1/2" is the maximum height of a threshold for
a door designed for disabled access.
⩥ Of the following, concrete would be poured against:
A. Any wood siding
B. Cedar or redwood siding only
C. metal flashing
D. Metal form material Answer: Metal form material
⩥ The function of a Waler is? Answer: A Waler is a horizontal member
used to align and brace concrete forms or piles.
, ⩥ If the width of a door that swings TOWARDS a landing on a ramp is
36", what minimum length landing is required? Answer: A 78" landing is
required for a 36" door that swings TOWARDS a landing.
⩥ What are "as built" plants? Answer: As built plans are plans showing
all changes and repairs.
⩥ Which is the proper order of construction for the following building
trades?
A. framing, plumbing, electrical, insulation
B. Plumbing, electrical, insulation, framing
C. Electrical, insulation, framing, plumbing
D. Insulation, framing, plumbing, electrical Answer: Framing, plumbing,
electrical, insulation.
⩥ According to the UBC, what is the proper height of a handrail for a
stairway? Answer: A handrail for a stairway must be at least 34" high
and no more than 38".
⩥ Dividing volts by amps gives: Answer: Dividing volts by amps gives
you ohms.
