Download Sample Questions from all CSLB Trade Exams latest Compilation 2025-2026 and more Exams Construction in PDF only on Docsity!
Sample Questions from all CSLB Trade Exams
latest Compilation 2025- 2026
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. Structural Steel welding code? A. 1/8" B. 1/4" C. 5/16" D. 3/8" Shorten the stickout 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 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 What method should be used to install electrical and telephone conduit in the same trench?
B. 160 sq.ft C. 576 sq.ft D. 640 sq.ft Crackle-glazed Which of the following types of tile requires sealing before grouting? A. Vitreous body B. Semi-matte C. Crackle-glazed D. Ceramic 8 bags 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 Deck drainage and coping thickness 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 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 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 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. $ B. $ C. $ D. $ Engineer's structural specifications 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 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 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. $ B. $ C. $ D. $ Adhesive, moisture-proof tape According to the Post-Tension Manual, which of the following should be used to repair tears in cable sheathing?
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 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 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' Which screw has the greater shaft diameter? A. # B. 3/16" C. # D. 1/4' 20 A contractor is required to run 197 feet of EMT to the location of the sign. How many pieces of EMT will be required? A. 15 B. 19 C. 20 D. 25 10 How many 4' x 10' sheets of metal are needed to fabricate 300' of gutter with a stretch-out of 13"? A. 8
B. 10
C. 15
D. 20
Snaplock punch Which tool is used to attach an end-cap on a 5" ogre rain gutter? A. Hand seamer B. Crimped C. Snaplock punch D. Caulk gun Lock When fabricating a downspout with a cornice brake, what type of seam should be used? A. Butt B. Standing C. Lap D. Lock 840 blocks How many 4" x 4" blocks are needed to line a 20' seepage pit using 14 blocks per row? A. 4480 blocks B. 1040 blocks C. 840 blocks D. 320 blocks 5 If a flat rectangular roof measures 16' x 31', how many squares of roof coverings are required? A. 5 B. 15 C. 25 D. 50 Install sheeting between the tow layers How should rigid insulation and shingles be installed on a pitched roof? A. Nail the shingles with straw nails B. Install insulation using tow-part adhesive
B. An approved spud fitting C. An approved closet flange D. An approved carrier fitting $2560 What is the total charge for four 8-our days use of a backhoe, if the cost for rental is $400 per day and operator cost is $30 per hour? A. $ B. $ C. $ D. $ 18" Temperature relief valves must have what transitional length before PEX is used? A. 15" B. 18" C. 24" D. 36" 188 sq. yds How many square yards of plaster will be required to plaster fifteen 12' high round columns with a 3' diameter? A. 565 sq. Yds B. 240 sq. Yds C. 188 sq. Yds D. 113 sq. Yds 3 - 5 minutes What is the recommended mixing time when using a mixer to prepare plastic Portland cement plaster for a brown coat? A. 1-2 minutes B. 3-5 minutes C. 18-24 minutes D. 25-30 minutes 42" According to Cal/OSHA, the top handrail around scaffolding should be at what minimum height? A. 36" B. 38"
C. 42"
D. 48"
2 Using a load factor of 50%, how many 10 yard dump truck loads are required to export 6" of paving removed from a 120" x 4' trench? A. 1 B. 2 C. 4 D. 6 36 sq. Ft What is the square footage of a gable 12 ft. Wide by 6 ft. High? A. 24 sq.ft B. 36 sq.ft C. 42 sq.ft D. 72 sq.ft A bristle brush Which tool should be used to apply chemical strippers? A. A sponge roller B. A damp rag C. A wire brush D. A bristle brush The drying time will increase What effect will cold, damp days have on primers? A. The surface will become brittle B. The drying time will increase C. The top coat will discolor D. Fish eye will occur 360 LF If a gallon of striping paint covers 120 square feet, how many lineal feet of 4" wide striping will it cover? A. 30 LF B. 120 LF C. 360 LF D. 480 LF
A. 0.75 amp B. 1.5 amps C. 2.0 amps D. 4.o amps 10' What is the maximum distance between joints in a concrete patio? A. 8' B. 10' C. 12' D. 14' 18' 0" If a n architectural drawing gives a scale of 1/8"= 1', what does a line 2-1/4" equal? A. 10' 6" B. 17' 6" C. 18' 0" D. 24' 8" Vertically from a line connecting the nosings According dint the California Building Code, how is headroom clearance measured on a standard stairway? A. Vertically from the center of each tread B. Vertically from a line connecting the nosing C. From the bottom of and parallel to the first riser D. Perpendicularly from a line connecting the nosings As soon as possible after the results have been received Personal Ak sample results reveal levels exceeding the permissible exposure limit. When must the employer inform the affected employees? A. Within 10 days of receiving the results B. Within 30 days of receiving the results C. As soon as Cal/OSHA has been notified of the results D. As soon as possible after the results have been received Connected to the work area When establishing a regulated work area, where should the decontamination area be located?
A. As close to the wast hauling bin as possible B. As the nearest location to the project supervisor's office for oversight C. As close to a water source as possible D. Connected to the work area Wet the ACM constantly throughout the project During an indoor asbestos abatement project, which of the following would be the best method for ensuing that asbestos fibers do not become airborne? A. Conduct air monitoring constantly B. Wet the ACM constantly throughout the project C. Carefully place material into 6-mil double bags D. Apply negative air to the containment Postpone the move until it is less windy If wind speed is so great that the structure being moved swerves from side to side, what actions should the contractor take? A. Add additional restraints before proceeding with he move B. Secure a police escort to facilitate the move C. Add extra transportation equipment to ensure continuity of the move D. Postpone the move until it is less windy Douglas fir If wood guardrails are required to be installed on a demolition job, the railing must be made of what kind of wood? A. Pine B. Redwood C. Ceda D. Douglas fir It is a safety device that confirms that existence of a pilot flame What is the function of a thermocouple in a gas furnace? A. It is safety control for the fan B. It is a safety device that confirms that existence of a pilot flame C. It is a safety device for electronic ignition systems D. It is a safety device that controls the thermostat Circulating water A chiller refrigerates which of the following?
Down the stairs When installing carpet on stairs, in which direction should the pile point? A. Any direction B. Toward the left C. Up the stairs D. Down the stairs Grind the hump down to level it What procedure should be used when the contractor finds a hump in the concrete substrate? A. Install over it B. Use more adhesive C. Smooth the area with floor fill D. Grind the hump down to level it Urethane Which of the following hardwood surface finish would be best for kitchen floors A. Spar varnish B. Acrylic wax C. Low gloss varnish D. Urethane 8' According to Caltrans Standard Specifications, what is the maximum distance allowed between interior vertical members on a chain-link gate? A. 2' B. 4' C. 6' D. 8' Bolt hinge Which of the following types of hinges has been designed for adjustment after installation of a wood gate? A. Bolt hinge B. Butt hinge C. Tee hinge D. Barrel hinge
Vinyl fabric What type of fence material is an example of fusion bonding based on ASTM class 2b standards? A. Aluminum fabric B. Vinyl fabric C. GAW fabric D. GBW fabric 1333 tons An aggregate base weighing 1.5 tons per cubic yard will laid 12" deep on a 1000 - foot road, 24 feet wide. How many tons of aggregate will be required? A. 889 tons B. 1333 tons C. 1999 tons D. 3999 tons Reject the load How should a contractor proceed when a concrete load has arrived on a job site and the material comes out of the chute in lumps? A. Add water B. Add retardant C. Reject the load D. Place it immediately 1/8" What is the allowable lippage between pavers? A. 1/2" B. 3/8" C. 1/4" D. 1/8" Intermediate metal conduit or rigid conduit In Class 1, Division 2 locations, such as gas stations or refineries, what type of conduit should be used above ground? A. Intermediate metal conduit or rigid conduit B. Electrical metallic tubing C. Electrical metallic tubing or flexible metallic tubing D. Polyvinyl chloride conduit
D. Provide caution tape barriers 10 How many cubic yards of concrete should a contractor order for a 20 ft wide x 40 ft long x 4 in thick slab? A. 8 B. 10 C. 12 D. 30 In round columns Where are spiral rebar ties used? A. In curved walls B. In grade beams C. In round columns D. In spiral staircase 24 AWG solid Which wire should be used to cross-connect a standard telephone connection? A. 18 AWG stranded B. 18 AWG solid C. 24 AWG stranded D. 24 AWG solid RJ- 45 What type of jack should be used on a Cat 6 cable installation? A. RJ- 45 B. RJ- 21 C. RJ- 14 D. RJ- 11 Pressure bar Which part of a planner functions to hold down the stock and help prevent chatter? A. Bed roll B. Chipbreaker C. Sectional infeed roll D. Pressure bar
Brad point What sort of drill bit is best suited for drilling dowel holes? A. Twist B. Spade C. Forster D. Brad point $112 If a quoted price for a framing lumber is $800 per thousand board feet, what would be the cost of nine 2" x 8" x 10' pieces and on 2" x 12" x 10' piece? A. $ B. $ C. $ D. $ 36" What is the minimum clear width of a single residential unit staircase? A. 24" B. 30" C. 36" D. 42" The spacing of the rafters Three primary factors determine the size and the type of rafter to use in construction. Tow of there are the distance spanned and the weight supported. What is the third factor? A. The spacing of the rafters B. The spacing of joists C. The type of sheeting to be used D. The height of the wall A high concentration of solids in the boiler water Which of the following conditions would probably cause foaming? A. Turbulence in the water B. Sludge or sediment in the check valve C. A high concentration of liquids in the boiler chamber D. A high concentration of solids in the boiler water Welded What type of cast iron fitting cannot be used on cast iron pipe?
