SAMPLE QUESTIONS FROM ALL CSLB TRADE EXAMS WITH CORRECT QUESTION AND ANSWERS 2025

SAMPLE QUESTIONS FROM ALL CSLB
TRADE EXAMS WITH CORRECT
QUESTION AND ANSWERS 2025

 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?



 One lifting line should be horizontal

 The lifting lines should be as far apart as possibles

 The lifting lines should be as horizontal as possible

 The lifting lines should be as vertical as possible - CORRECT-ANSWERSThe lifting

lines should be as vertical as possible

 Which of the following describes surfacing ACM?



 Material that contains more than 1% asbestos

 Material that contains more than 0.1% asbestos

 Material that contains more than 0.01% asbestos

 Material that contains more than 0.001% asbestos - CORRECT-ANSWERSMaterial 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?



 Ensure that all other employers leave the site

, Inform the local Cal/OSHA office within 48 hours

 Ensure that all asbestos is removed

 Inform each of the employers about the asbestos work being performed. - CORRECT-

ANSWERSInform each of the employers about the asbestos work being performed

 When must a contractor provide and require the use of protective clothing?



 When Class II work requires removal of ACM exceeding 10 square feet

 When airborne exposure exceeds the TWA and excursion limits

 When Class II work requires removal of TSI exceeding 25 linear feet

 When a negative exposure assessment is produced - CORRECT-ANSWERSWhen

airborne exposure exceeds the TWA and excursion limits

 Alternating current would most likely be used in GTAW to weld which of the following

metals?



 Low carbon steel

 Deoxidized copper

 Aluminum

 Stainless steel - CORRECT-ANSWERSAluminum

 WHat is the minimum thickness of steel that is covered by the AWS D1.1 Structural Steel

welding code?



 1/8"

 1/4"

, 5/16"

 3/8" - CORRECT-ANSWERS1/8"

 When welding with FCAW, how can the operator control excess spatter?



 Change the drag angle

 Run stringer beads.

 Shorten the stickout

 Lengthen the stickout - CORRECT-ANSWERSShorten the stickout

 To read and properly interpret laboratory analysis reports as they apply to hazardous

sites, a contractor should have which of the following?



 The phone number of a contract a the lead agency

 Basic knowledge of math

 A contract at Cal/OSHA

 Basic knowledge of chemistry and the measurements used - CORRECT-

ANSWERSBasic 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?



 235.5 cubic feet

 180.5 cubic feet

 150.2 cubic feet

 100.7 cubic feet - CORRECT-ANSWERS235.5 cubic feet

,  What method should be used to install electrical and telephone conduit in the same

trench?



 Electrical over telephone conduit with a concrete barrier and 4" between them

 Electrical over telephone conduit with a separation of at least 12" in between

 Telephone over electrical conduit secured together every 12"

 Telephone over electrical conduit with a separation of at least 12" in between -

CORRECT-ANSWERSTelephone over electrical conduit with a separation of at least

12" in between

 When replacing pavement over a trench, what is meant by "overcutting"?



 All wide spots and bell holes are cut square before paving

 Paving is reinstalled one inch thicker than what was removed

 The trench is base-paved and capped later

 The paving is cut outside the ditch line by a few inches - CORRECT-ANSWERSThe

paving is cut outside the ditch line by a few inches

 What is the maximum fluoride level permitted in drinking water?



 2.0 mg/L

 4.0 mg/L

 6.0 mg/L

 8.0 mg/L - CORRECT-ANSWERS4.0 mg/L