LICENSE GENERAL CONTRACTOR CSLB B EXAM
QUESTIONS WITH COMPLETE SOLUTIONS
GUARANTEED PASS 2025/2026
Which pipe is NOT appropriate for industrial wastes?
A. Cast iron
B. Schedule 40 ABS DWV
C. Extra strength vitrified clay
D. Copper - ANSWER->Copper
Where do you need a fire wall?
A. Between a living room and a bedroom
B. Between a bedroom and a bathroom
C. Between a kitchen and a bath
D. A separation wall between a dwelling and an attachment - ANSWER-
>A separation wall between a dwelling and an attachment.
What is the minimum clearance between rough ground and
untreated subfloor joists? - ANSWER->18 inches
Who may remove asbestos? - ANSWER->Contractor with Asbestos
Certification on license.
,Which of the following is NOT likely to be found in significant
proportions in granular soil?
A. Gravel
B. Sand
C. Silt
D. Clay - ANSWER->Clay
Stiles and rails are used on which of the following?
A. Furred walls
B. Roofs
C. Windows
D. Slabs - ANSWER->Windows.
A stile is the vertical edges of the window and the rails are the bottom
and top.
What does a high slump test indicate? - ANSWER->Too much water.
Metal concrete forms should be?
A. Oiled
B. Watered
C. Placed against gravel
D. Discarded after each use - ANSWER->Oiled
,What does the R mean in a description of insulation? - ANSWER-
>Resistance
What kind of door would you install for someone with a disability?
A. Automatic with minimum of 3 seconds to close
B. Automatic with maximum of 5 seconds to open
C. Manual with maximum of 8.5 pounds to operate
D. Either A or C - ANSWER->Either A or C
Triple-walled metal chimney installations are regulated by: - ANSWER-
>ICC
ICC-IBC-IRC is the international code council. IBC is international
building code commercial. IRC is the international residential code.
If you are a general contractor, you should call a specialty contractor
when: - ANSWER->You encounter an unfamiliar trade.
When a stairway serves a public building, what is the minimum
number of steps for which a handrail is required? - ANSWER>Two
What is the minimum underlayment for asphalt shingles? - ANSWER-
>15 pounds
How long should you wait before sealing new tile work? - ANSWER->2
weeks
, When do you install insulation? - ANSWER->After the electrical and
plumbing are approved.
When do you NOT need an exhaust fan in a bathroom? - ANSWER-
>When there is a window in the bathroom.
What is a bush-hammer used for? - ANSWER->Roughen surface of
hardened concrete.
When you say a wall is perfect it is: - ANSWER->Both plumb and
straight.
The purpose of a batter board in concrete work is: - ANSWER>Support
layout strings when location foundations.
What is the difference between a hip jack rafter and a common rafter? -
ANSWER->A hip jack runs from the top plate to a hip rafter, but a
common rafter runs to the ridge board.
When should you float a concrete surface? - ANSWER->As soon as the
water sheen evaporates
When installing drywall screws you should:
A. Countersink
B. Drive just below the face of the board
C. Leave slightly above the surface
QUESTIONS WITH COMPLETE SOLUTIONS
GUARANTEED PASS 2025/2026
Which pipe is NOT appropriate for industrial wastes?
A. Cast iron
B. Schedule 40 ABS DWV
C. Extra strength vitrified clay
D. Copper - ANSWER->Copper
Where do you need a fire wall?
A. Between a living room and a bedroom
B. Between a bedroom and a bathroom
C. Between a kitchen and a bath
D. A separation wall between a dwelling and an attachment - ANSWER-
>A separation wall between a dwelling and an attachment.
What is the minimum clearance between rough ground and
untreated subfloor joists? - ANSWER->18 inches
Who may remove asbestos? - ANSWER->Contractor with Asbestos
Certification on license.
,Which of the following is NOT likely to be found in significant
proportions in granular soil?
A. Gravel
B. Sand
C. Silt
D. Clay - ANSWER->Clay
Stiles and rails are used on which of the following?
A. Furred walls
B. Roofs
C. Windows
D. Slabs - ANSWER->Windows.
A stile is the vertical edges of the window and the rails are the bottom
and top.
What does a high slump test indicate? - ANSWER->Too much water.
Metal concrete forms should be?
A. Oiled
B. Watered
C. Placed against gravel
D. Discarded after each use - ANSWER->Oiled
,What does the R mean in a description of insulation? - ANSWER-
>Resistance
What kind of door would you install for someone with a disability?
A. Automatic with minimum of 3 seconds to close
B. Automatic with maximum of 5 seconds to open
C. Manual with maximum of 8.5 pounds to operate
D. Either A or C - ANSWER->Either A or C
Triple-walled metal chimney installations are regulated by: - ANSWER-
>ICC
ICC-IBC-IRC is the international code council. IBC is international
building code commercial. IRC is the international residential code.
If you are a general contractor, you should call a specialty contractor
when: - ANSWER->You encounter an unfamiliar trade.
When a stairway serves a public building, what is the minimum
number of steps for which a handrail is required? - ANSWER>Two
What is the minimum underlayment for asphalt shingles? - ANSWER-
>15 pounds
How long should you wait before sealing new tile work? - ANSWER->2
weeks
, When do you install insulation? - ANSWER->After the electrical and
plumbing are approved.
When do you NOT need an exhaust fan in a bathroom? - ANSWER-
>When there is a window in the bathroom.
What is a bush-hammer used for? - ANSWER->Roughen surface of
hardened concrete.
When you say a wall is perfect it is: - ANSWER->Both plumb and
straight.
The purpose of a batter board in concrete work is: - ANSWER>Support
layout strings when location foundations.
What is the difference between a hip jack rafter and a common rafter? -
ANSWER->A hip jack runs from the top plate to a hip rafter, but a
common rafter runs to the ridge board.
When should you float a concrete surface? - ANSWER->As soon as the
water sheen evaporates
When installing drywall screws you should:
A. Countersink
B. Drive just below the face of the board
C. Leave slightly above the surface
