CSLB Trade Exam Preparation: Sample Questions with Correct Answers from All Contractor
Licensing Exams – Asbestos, Welding, Electrical, Plumbing, Concrete and More
QUESTION 1
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. The lifting lines should be as horizontal as possible
B. The lifting lines should be as vertical as possible
C. The lifting lines should be at a 45-degree angle
D. The lifting lines should be crossed
Correct Answer: B
QUESTION 2
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 Answer: A
QUESTION 3
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
,CSLB Trade Exam Preparation: Sample Questions with Correct Answers from All Contractor
Licensing Exams – Asbestos, Welding, Electrical, Plumbing, Concrete and More
C. Ensure that all asbestos is removed
D. Inform each of the employers about the asbestos work being performed
Correct Answer: D
QUESTION 4
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 Answer: B
QUESTION 5
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 Answer: C
QUESTION 6
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"
,CSLB Trade Exam Preparation: Sample Questions with Correct Answers from All Contractor
Licensing Exams – Asbestos, Welding, Electrical, Plumbing, Concrete and More
C. 5/16"
D. 3/8"
Correct Answer: A
QUESTION 7
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 Answer: C
QUESTION 8
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 at the lead agency
B. Basic knowledge of math
C. A contract at Cal/OSHA
D. Basic knowledge of chemistry and the measurements used
Correct Answer: D
QUESTION 9
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
, CSLB Trade Exam Preparation: Sample Questions with Correct Answers from All Contractor
Licensing Exams – Asbestos, Welding, Electrical, Plumbing, Concrete and More
C. 150.2 cubic feet
D. 100.7 cubic feet
Correct Answer: A
QUESTION 10
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 Answer: D
QUESTION 11
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 Answer: D
QUESTION 12
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
Licensing Exams – Asbestos, Welding, Electrical, Plumbing, Concrete and More
QUESTION 1
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. The lifting lines should be as horizontal as possible
B. The lifting lines should be as vertical as possible
C. The lifting lines should be at a 45-degree angle
D. The lifting lines should be crossed
Correct Answer: B
QUESTION 2
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 Answer: A
QUESTION 3
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
,CSLB Trade Exam Preparation: Sample Questions with Correct Answers from All Contractor
Licensing Exams – Asbestos, Welding, Electrical, Plumbing, Concrete and More
C. Ensure that all asbestos is removed
D. Inform each of the employers about the asbestos work being performed
Correct Answer: D
QUESTION 4
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 Answer: B
QUESTION 5
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 Answer: C
QUESTION 6
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"
,CSLB Trade Exam Preparation: Sample Questions with Correct Answers from All Contractor
Licensing Exams – Asbestos, Welding, Electrical, Plumbing, Concrete and More
C. 5/16"
D. 3/8"
Correct Answer: A
QUESTION 7
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 Answer: C
QUESTION 8
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 at the lead agency
B. Basic knowledge of math
C. A contract at Cal/OSHA
D. Basic knowledge of chemistry and the measurements used
Correct Answer: D
QUESTION 9
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
, CSLB Trade Exam Preparation: Sample Questions with Correct Answers from All Contractor
Licensing Exams – Asbestos, Welding, Electrical, Plumbing, Concrete and More
C. 150.2 cubic feet
D. 100.7 cubic feet
Correct Answer: A
QUESTION 10
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 Answer: D
QUESTION 11
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 Answer: D
QUESTION 12
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
