Sample questions from all CSLB trade exams with 100% Correct Answers 2022

The lifting lines should be as vertical as possible - ANSWER-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 - ANSWER-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 - ANSWERWhen 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 - ANSWER-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 - ANSWER-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" - ANSWER-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 stickout - ANSWER-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 Basic knowledge of chemistry and the measurements used - ANSWER-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 - ANSWER-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 - ANSWER-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 The paving is cut outside the ditch line by a few inches - ANSWER-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 4.0 mg/L - ANSWER-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 K and L - ANSWER-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 To remove calcium and magnasium - ANSWER-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 640 - ANSWER-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 B. 160 C. 576 D. 640 Crackle-glazed - ANSWER-Which of the following types of tile requires sealing before grouting? A. Vitreous body B. Semi-matte C. Crackle-glazed D. Ceramic 8 bags - ANSWER-Assuming that a bag of grout covers , how many bags are needed for a 25' x 23' room? A. 6 bags B. 7 bags C. D. 9 bags Deck drainage and coping thickness - ANSWER-When establishing the elevation of a swimming pool bond beam on a residential pool, which of the following must be considered? A. Bond beam width and coping thickness B. Bond beam width and pool depth C. Deck drainage and coping thickness D. Deck drainage and pool depth 40 gpm - ANSWER-What is the flow rate in gallons per minute for a 14,000 gallon pool to turn over in six hours? A. 40 gpm B. 80 gpm C. 144 gpm D. 240 gpm polyethylene pipe - ANSWER-Which of the following pipes is approved for underground gas lines? A. Schedule 40 CPVC pipe B. Polyethylene pipe C. Black iron pipe D. Galvanized pipe $10000 - ANSWER-If a crane company charges $250 per hour of operation, how much will a crane cost for four days of 8 hours each day and one day of 4 hours, in addition to 4 hours of travel time? A. $32000 B. $10000 C. $8000 D. $4000 Engineer's structural specifications - ANSWER-Where are the requirements for the completion of welding inspections typically found? A. Architectural cover pages B. Cal/OSHA C. California Building Code D. Engineer's structural specifications Continuity plate - ANSWER-Which of the following would be the most commonly found in a moment connections? A. Base plate B. Cap plate C. Lintel brace D. Continuity plate $6,192 - ANSWER-A contractor determines that a particular job will take three workers an 8 hour day to install 50 feet of retaining wall reinforcement. The labor cost is $43 per hour and the wall is 300 feet long. What is the total labor cost for the job? A. $1032 B. $2150 C. $6192 D. $12900 Adhesive, moisture-proof tape - ANSWER-According to the Post-Tension Manual, which of the following should be used to repair tears in cable sheathing? A. Duct tape B. Adhesive, moisture-proof tape C. Spray-on epoxy D. Silicone $1388.89 - ANSWER-A contractor is excavating a pad that is 1500 square feet to a depth of 30 inches. The cost of excavation is $10/cubic yard. What is the total estimated cost of the excavation? A. $1250 B. $1388.89 C. $1666.67 D. $5000 2 opposite sides - ANSWER-What is the minimum number of sides of the perimeter skirting must have ventilation? A. All 4 sides B. 3 connected sides C. 2 connected sides D. 2 opposite sides Site plan - ANSWER-Which drawing should be submitted to obtain a permit to install utility connections for a manufactured home on private property? A. Foundation plan B. Grading plan C. Set-up plan D. Site plan Ampere-hours - ANSWER-What is the unit of measurement for solar system battery capacity? A. Phase-hours B. Ampere-hours C. Watt amps D. Volt amps The voltage will decrese - ANSWER-As the temperature of a PV module increases, what will happen to the voltage? A. The voltage will increase B. The voltage will decrease C. The voltage will be unaffected D. It depends on the module design. 35904 gallons - ANSWER-If a swimming pool is 20' x 30' and filled to a depth of 8', what is the volume of water to be solar heated? A. 600 cubic yards B. 4800 cubic yards C. 33600 gallons D. 35904 gallons It is more corrosion resistant - ANSWER-What is the advantage of using aluminum instead of sheet metal to fabricate channel letters? A. It is less costly B. It is easier to paint C. It is more corrosion resistant D. It is UL approved 1/4' - ANSWER-Which screw has the greater shaft diameter? A. #6 B. 3/16" C. #10 D. 1/4