CSLB B LICENSE GENERAL
CONTRACTOR EXAM WITH ACTUAL
ANSWERS
The function of a Waler is? ✔️✔️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? ✔️✔️A 78" landing is required for a 36" door that swings TOWARDS a
landing.
What are "as built" plants? ✔️✔️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 ✔️✔️Framing, plumbing, electrical, insulation.
According to the UBC, what is the proper height of a handrail for a stairway? ✔️✔️A handrail
for a stairway must be at least 34" high and no more than 38".
,Dividing volts by amps gives: ✔️✔️Dividing volts by amps gives you ohms.
Why would you install a vapor barrier under a concrete slab? ✔️✔️A vapor barrier is installed
under a concrete slab to control the rise of water vapor.
When must the stamped grade mark be visible on lumber? ✔️✔️A stamped grade mark must
be visible on all framing members.
For a custom cut roof structure, how much greater than the cut end of a rafter does the ridge
width need to be? ✔️✔️The ridge does not need to be thicker than the end cut of a rafter.
What is the correct space (gap) between a finished floor and bottom of an interior door with no
threshold. ✔️✔️1/2" is the correct gap between finished floor and the bottom of an interior
door with no threshold.
What is the tolerance on longitudinal placement of rebar when the bar is bent at one end?
✔️✔️The tolerance on longitudinal placement of rebar when the bar is bent on one end is + or
- 0" on the straight end, and 1/2" on the bent end.
Which of the following is a measure of power load?
A. Voltage
B. Amperage
,C. Watts
D. Ohms ✔️✔️Watts is the measure of power load.
Of the following, which would you use to adhere roll roofing to a residential roof?
A. Lap Cement
B. Caulking
C. Rubber Cement
D. Silicone ✔️✔️Lap cement would be used to adhere roll roofing to a residential roof.
How closely space must supports be for Romex in a roof cavity? ✔️✔️Romex must be
supported every 4' in a roof cavity.
What tool is best for cutting nails during house demolition?
A. Circular saw
B. Rip saw
C. Saber saw
D. Hacksaw ✔️✔️A saber saw would be the best tool listed.
The term "bushing" refers to:
A. Plumbing fitting
, B. Electrical cap
C. Nail
D. Insulation ✔️✔️A bushing is a plumbing fitting.
Which of the following is a flammable adhesive?
A. Cushion-back seaming cement
B. Thin-spread adhesive
C. Latex-type adhesive
D. Alcohol-type adhesive ✔️✔️Alcohol-type adhesive is flammable.
The term "furring" refers to:
A. A plumbing fitting
B. A grounding electrode system
C. Wood or metal strips fastened to a structural surface to provide a base for fastening finished
material
D. Parquet flooring pattern ✔️✔️Wood or metal strips fastened to a structural surface to
provide a base for fastening finished material.
A "Tee-Wye" is a:
A. Plumbing fitting
CONTRACTOR EXAM WITH ACTUAL
ANSWERS
The function of a Waler is? ✔️✔️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? ✔️✔️A 78" landing is required for a 36" door that swings TOWARDS a
landing.
What are "as built" plants? ✔️✔️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 ✔️✔️Framing, plumbing, electrical, insulation.
According to the UBC, what is the proper height of a handrail for a stairway? ✔️✔️A handrail
for a stairway must be at least 34" high and no more than 38".
,Dividing volts by amps gives: ✔️✔️Dividing volts by amps gives you ohms.
Why would you install a vapor barrier under a concrete slab? ✔️✔️A vapor barrier is installed
under a concrete slab to control the rise of water vapor.
When must the stamped grade mark be visible on lumber? ✔️✔️A stamped grade mark must
be visible on all framing members.
For a custom cut roof structure, how much greater than the cut end of a rafter does the ridge
width need to be? ✔️✔️The ridge does not need to be thicker than the end cut of a rafter.
What is the correct space (gap) between a finished floor and bottom of an interior door with no
threshold. ✔️✔️1/2" is the correct gap between finished floor and the bottom of an interior
door with no threshold.
What is the tolerance on longitudinal placement of rebar when the bar is bent at one end?
✔️✔️The tolerance on longitudinal placement of rebar when the bar is bent on one end is + or
- 0" on the straight end, and 1/2" on the bent end.
Which of the following is a measure of power load?
A. Voltage
B. Amperage
,C. Watts
D. Ohms ✔️✔️Watts is the measure of power load.
Of the following, which would you use to adhere roll roofing to a residential roof?
A. Lap Cement
B. Caulking
C. Rubber Cement
D. Silicone ✔️✔️Lap cement would be used to adhere roll roofing to a residential roof.
How closely space must supports be for Romex in a roof cavity? ✔️✔️Romex must be
supported every 4' in a roof cavity.
What tool is best for cutting nails during house demolition?
A. Circular saw
B. Rip saw
C. Saber saw
D. Hacksaw ✔️✔️A saber saw would be the best tool listed.
The term "bushing" refers to:
A. Plumbing fitting
, B. Electrical cap
C. Nail
D. Insulation ✔️✔️A bushing is a plumbing fitting.
Which of the following is a flammable adhesive?
A. Cushion-back seaming cement
B. Thin-spread adhesive
C. Latex-type adhesive
D. Alcohol-type adhesive ✔️✔️Alcohol-type adhesive is flammable.
The term "furring" refers to:
A. A plumbing fitting
B. A grounding electrode system
C. Wood or metal strips fastened to a structural surface to provide a base for fastening finished
material
D. Parquet flooring pattern ✔️✔️Wood or metal strips fastened to a structural surface to
provide a base for fastening finished material.
A "Tee-Wye" is a:
A. Plumbing fitting
