SAMPLE QUESTIONS FROM ALL CSLB TRADE EXAMS
WITH ANSWERS.
When using a crane to lift a 12,000-gallon tank out of the excavation, what is the preferable
position of the rigging lines attached to the tank's lifting eyes?
A. One lifting line should be horizontal
B. The lifting lines should be as far apart as possibles
C. The lifting lines should be as horizontal as possible
D. The lifting lines should be as vertical as possible correct answers The lifting lines should be as
vertical as possible
Which of the following describes surfacing ACM?
A. Material that contains more than 1% asbestos
B. Material that contains more than 0.1% asbestos
C. Material that contains more than 0.01% asbestos
D. Material that contains more than 0.001% asbestos correct answers Material that contains more
than 1% asbestos
When removing asbestos as a multi-employer work site, the asbestos abatement contractor must
do which of the following?
A. Ensure that all other employers leave the site
B. Inform the local Cal/OSHA office within 48 hours
C. Ensure that all asbestos is removed
D. Inform each of the employers about the asbestos work being performed. correct answers
Inform each of the employers about the asbestos work being performed
When must a contractor provide and require the use of protective clothing?
A. When Class II work requires removal of ACM exceeding 10 square feet
B. When airborne exposure exceeds the TWA and excursion limits
C. When Class II work requires removal of TSI exceeding 25 linear feet
D. When a negative exposure assessment is produced correct answers When airborne exposure
exceeds the TWA and excursion limits
Alternating current would most likely be used in GTAW to weld which of the following metals?
A. Low carbon steel
B. Deoxidized copper
C. Aluminum
D. Stainless steel correct answers Aluminum
WHat is the minimum thickness of steel that is covered by the AWS D1.1 Structural Steel
welding code?
,A. 1/8"
B. 1/4"
C. 5/16"
D. 3/8" correct answers 1/8"
When welding with FCAW, how can the operator control excess spatter?
A. Change the drag angle
B. Run stringer beads.
C. Shorten the stickout
D. Lengthen the stickout correct answers Shorten the stickout
To read and properly interpret laboratory analysis reports as they apply to hazardous sites, a
contractor should have which of the following?
A. The phone number of a contract a the lead agency
B. Basic knowledge of math
C. A contract at Cal/OSHA
D. Basic knowledge of chemistry and the measurements used correct answers Basic knowledge
of chemistry and the measurements used
How much material will it take to fill up three round holes drilled into the ground 25 feet deep
and 2 feet in diameter?
A. 235.5 cubic feet
B. 180.5 cubic feet
C. 150.2 cubic feet
D. 100.7 cubic feet correct answers 235.5 cubic feet
What method should be used to install electrical and telephone conduit in the same trench?
A. Electrical over telephone conduit with a concrete barrier and 4" between them
B. Electrical over telephone conduit with a separation of at least 12" in between
C. Telephone over electrical conduit secured together every 12"
D. Telephone over electrical conduit with a separation of at least 12" in between correct answers
Telephone over electrical conduit with a separation of at least 12" in between
When replacing pavement over a trench, what is meant by "overcutting"?
A. All wide spots and bell holes are cut square before paving
B. Paving is reinstalled one inch thicker than what was removed
C. The trench is base-paved and capped later
D. The paving is cut outside the ditch line by a few inches correct answers The paving is cut
outside the ditch line by a few inches
, What is the maximum fluoride level permitted in drinking water?
A. 2.0 mg/L
B. 4.0 mg/L
C. 6.0 mg/L
D. 8.0 mg/L correct answers 4.0 mg/L
When installing hard copper piping underground, what types of piping should a contractor use?
A. K and L
B. K and M
C. L and M
D. M and DWV correct answers K and L
What is the function of a cation exchange unit?
A. To oxidize iron fro the water
B. To remove calcium and magnesium
C. To reduce dissolved solids
D. To increase pH correct answers To remove calcium and magnasium
How many square feet of the tile are needed for an area that measures 2-1/2" by 4" on a plan that
is drawn to an 1/8" scale?
A. 10 sq.ft
B. 160 sq.ft
C. 576 sq.ft
D. 640 sq.ft correct answers 640 sq.ft
Which of the following types of tile requires sealing before grouting?
A. Vitreous body
B. Semi-matte
C. Crackle-glazed
D. Ceramic correct answers Crackle-glazed
Assuming that a bag of grout covers 75sq.ft, how many bags are needed for a 25' x 23' room?
A. 6 bags
B. 7 bags
C. 8.bags
D. 9 bags correct answers 8 bags
When establishing the elevation of a swimming pool bond beam on a residential pool, which of
the following must be considered?
WITH ANSWERS.
When using a crane to lift a 12,000-gallon tank out of the excavation, what is the preferable
position of the rigging lines attached to the tank's lifting eyes?
A. One lifting line should be horizontal
B. The lifting lines should be as far apart as possibles
C. The lifting lines should be as horizontal as possible
D. The lifting lines should be as vertical as possible correct answers The lifting lines should be as
vertical as possible
Which of the following describes surfacing ACM?
A. Material that contains more than 1% asbestos
B. Material that contains more than 0.1% asbestos
C. Material that contains more than 0.01% asbestos
D. Material that contains more than 0.001% asbestos correct answers Material that contains more
than 1% asbestos
When removing asbestos as a multi-employer work site, the asbestos abatement contractor must
do which of the following?
A. Ensure that all other employers leave the site
B. Inform the local Cal/OSHA office within 48 hours
C. Ensure that all asbestos is removed
D. Inform each of the employers about the asbestos work being performed. correct answers
Inform each of the employers about the asbestos work being performed
When must a contractor provide and require the use of protective clothing?
A. When Class II work requires removal of ACM exceeding 10 square feet
B. When airborne exposure exceeds the TWA and excursion limits
C. When Class II work requires removal of TSI exceeding 25 linear feet
D. When a negative exposure assessment is produced correct answers When airborne exposure
exceeds the TWA and excursion limits
Alternating current would most likely be used in GTAW to weld which of the following metals?
A. Low carbon steel
B. Deoxidized copper
C. Aluminum
D. Stainless steel correct answers Aluminum
WHat is the minimum thickness of steel that is covered by the AWS D1.1 Structural Steel
welding code?
,A. 1/8"
B. 1/4"
C. 5/16"
D. 3/8" correct answers 1/8"
When welding with FCAW, how can the operator control excess spatter?
A. Change the drag angle
B. Run stringer beads.
C. Shorten the stickout
D. Lengthen the stickout correct answers Shorten the stickout
To read and properly interpret laboratory analysis reports as they apply to hazardous sites, a
contractor should have which of the following?
A. The phone number of a contract a the lead agency
B. Basic knowledge of math
C. A contract at Cal/OSHA
D. Basic knowledge of chemistry and the measurements used correct answers Basic knowledge
of chemistry and the measurements used
How much material will it take to fill up three round holes drilled into the ground 25 feet deep
and 2 feet in diameter?
A. 235.5 cubic feet
B. 180.5 cubic feet
C. 150.2 cubic feet
D. 100.7 cubic feet correct answers 235.5 cubic feet
What method should be used to install electrical and telephone conduit in the same trench?
A. Electrical over telephone conduit with a concrete barrier and 4" between them
B. Electrical over telephone conduit with a separation of at least 12" in between
C. Telephone over electrical conduit secured together every 12"
D. Telephone over electrical conduit with a separation of at least 12" in between correct answers
Telephone over electrical conduit with a separation of at least 12" in between
When replacing pavement over a trench, what is meant by "overcutting"?
A. All wide spots and bell holes are cut square before paving
B. Paving is reinstalled one inch thicker than what was removed
C. The trench is base-paved and capped later
D. The paving is cut outside the ditch line by a few inches correct answers The paving is cut
outside the ditch line by a few inches
, What is the maximum fluoride level permitted in drinking water?
A. 2.0 mg/L
B. 4.0 mg/L
C. 6.0 mg/L
D. 8.0 mg/L correct answers 4.0 mg/L
When installing hard copper piping underground, what types of piping should a contractor use?
A. K and L
B. K and M
C. L and M
D. M and DWV correct answers K and L
What is the function of a cation exchange unit?
A. To oxidize iron fro the water
B. To remove calcium and magnesium
C. To reduce dissolved solids
D. To increase pH correct answers To remove calcium and magnasium
How many square feet of the tile are needed for an area that measures 2-1/2" by 4" on a plan that
is drawn to an 1/8" scale?
A. 10 sq.ft
B. 160 sq.ft
C. 576 sq.ft
D. 640 sq.ft correct answers 640 sq.ft
Which of the following types of tile requires sealing before grouting?
A. Vitreous body
B. Semi-matte
C. Crackle-glazed
D. Ceramic correct answers Crackle-glazed
Assuming that a bag of grout covers 75sq.ft, how many bags are needed for a 25' x 23' room?
A. 6 bags
B. 7 bags
C. 8.bags
D. 9 bags correct answers 8 bags
When establishing the elevation of a swimming pool bond beam on a residential pool, which of
the following must be considered?
