CSLB Exam Questions and Correct
Answers| Latest Update 2026/27
Sample questions from all CSLB trade exams
The lifting lines should be as vertical as possible
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
Material that contains more than 1% asbestos
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
,Inform each of the employers about the asbestos work being performed
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.
When airborne exposure exceeds the TWA and excursion limits
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
Aluminum
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
1/8"
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"
Shorten the stick-out
When welding with FCAW, how can the operator control excess spatter?
A. Change the drag angle
B. Run stringer beads.
C. Shorten the stick-out
, D. Lengthen the stick-out
Basic knowledge of chemistry and the measurements used
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
235.5 cubic feet
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
Telephone over electrical conduit with a separation of at least 12" in between
Answers| Latest Update 2026/27
Sample questions from all CSLB trade exams
The lifting lines should be as vertical as possible
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
Material that contains more than 1% asbestos
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
,Inform each of the employers about the asbestos work being performed
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.
When airborne exposure exceeds the TWA and excursion limits
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
Aluminum
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
1/8"
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"
Shorten the stick-out
When welding with FCAW, how can the operator control excess spatter?
A. Change the drag angle
B. Run stringer beads.
C. Shorten the stick-out
, D. Lengthen the stick-out
Basic knowledge of chemistry and the measurements used
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
235.5 cubic feet
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
Telephone over electrical conduit with a separation of at least 12" in between
