CSLB B LICENSE GENERAL
CONTRACTOR EXAM
1. If unused mortar stiffens due to hydration of cement, what must
you do?: -
Discard the mortar
2. What minimum time must you wait before caulking or grouting
new tiles?-
: 24-48 Hours
3. How long should you wait before installing tile on a shower pan?:
24 Hours
4. 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:: Type-B Soils
5. If 65 street lights are fed by a 2275 volt series circuit, what is
the voltage across each light?: 35V
In a series circuit, the total voltage is divided equally.
6. For safety reasons, the maximum simple slope of an excavation,
up to 20 ft deep, in Type-B soil is:: 1:1 (45°)
7. A Pittsburgh joint is used in:: HVAC ductwork
8. The drain for a pressure relief valve on a water heater should be
, CSLB B LICENSE GENERAL
CONTRACTOR EXAM
extended to:: The outside of the building
9. What is the minimum slope toward the drain of a shower pan?: 1/4"
per foot (2%)
10. What is the diameter of #3 rebar?: 3/8"
11. If a vendor fails to provide an MSDS, you have the right to call::
Cal/OSHA or DOSH
12. When installing a door jamb, you need shims at:: Both hinge and strike
sides, three on each side.
13. Which of the following is used to adhere vinyl floors?
A. Epoxy cement
B. Asphalt mastic
C. Latex primer
D. White glue: Epoxy cement
14. When do you need bracing for a drywall wall?: Diagonal bracing is
needed every 25' for any drywall wall.
15. How should you clear the roots from a construction site?: Clear
roots to 12" below grade.
, CSLB B LICENSE GENERAL
CONTRACTOR EXAM
16. Dividing watts by amps gives you:: Volts
17. The most frequent on-the-job roofing accidents are:: Falls
18. Which of the following is NOT a type of wood block flooring?
A. Parquet
B. Wood Mosaic
C. Wood Tile
D. All of the above.: Wood tile
19. Lightweight concrete is best used for:
A. Curb and Gutter
B. Second floor decking
C. First floor slab on grade
D. Footings: Second floor decking
20. The tool used to carry grout needed to patch a small hole is
a:
A. Hawk
, CSLB B LICENSE GENERAL
CONTRACTOR EXAM
B. Poling board
C. Spot board
D. Mason's scutch: Spot Board
21. Which pipe is NOT appropriate for industrial wastes?
A. Cast iron
B. Schedule 40 ABS DWV
C. Extra strength vitrified clay
D. Copper: Copper
22. 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: A separation
wall between a dwelling and an attachment.
CONTRACTOR EXAM
1. If unused mortar stiffens due to hydration of cement, what must
you do?: -
Discard the mortar
2. What minimum time must you wait before caulking or grouting
new tiles?-
: 24-48 Hours
3. How long should you wait before installing tile on a shower pan?:
24 Hours
4. 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:: Type-B Soils
5. If 65 street lights are fed by a 2275 volt series circuit, what is
the voltage across each light?: 35V
In a series circuit, the total voltage is divided equally.
6. For safety reasons, the maximum simple slope of an excavation,
up to 20 ft deep, in Type-B soil is:: 1:1 (45°)
7. A Pittsburgh joint is used in:: HVAC ductwork
8. The drain for a pressure relief valve on a water heater should be
, CSLB B LICENSE GENERAL
CONTRACTOR EXAM
extended to:: The outside of the building
9. What is the minimum slope toward the drain of a shower pan?: 1/4"
per foot (2%)
10. What is the diameter of #3 rebar?: 3/8"
11. If a vendor fails to provide an MSDS, you have the right to call::
Cal/OSHA or DOSH
12. When installing a door jamb, you need shims at:: Both hinge and strike
sides, three on each side.
13. Which of the following is used to adhere vinyl floors?
A. Epoxy cement
B. Asphalt mastic
C. Latex primer
D. White glue: Epoxy cement
14. When do you need bracing for a drywall wall?: Diagonal bracing is
needed every 25' for any drywall wall.
15. How should you clear the roots from a construction site?: Clear
roots to 12" below grade.
, CSLB B LICENSE GENERAL
CONTRACTOR EXAM
16. Dividing watts by amps gives you:: Volts
17. The most frequent on-the-job roofing accidents are:: Falls
18. Which of the following is NOT a type of wood block flooring?
A. Parquet
B. Wood Mosaic
C. Wood Tile
D. All of the above.: Wood tile
19. Lightweight concrete is best used for:
A. Curb and Gutter
B. Second floor decking
C. First floor slab on grade
D. Footings: Second floor decking
20. The tool used to carry grout needed to patch a small hole is
a:
A. Hawk
, CSLB B LICENSE GENERAL
CONTRACTOR EXAM
B. Poling board
C. Spot board
D. Mason's scutch: Spot Board
21. Which pipe is NOT appropriate for industrial wastes?
A. Cast iron
B. Schedule 40 ABS DWV
C. Extra strength vitrified clay
D. Copper: Copper
22. 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: A separation
wall between a dwelling and an attachment.
