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CSLB Sample Questions from all Trade Exams
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The lifting lines should be as vertical as possible - Answers-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 - Answers-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 - Answers- 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 - Answers-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 - Answers-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" - Answers-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 - Answers-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 - Answers-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 - Answers-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-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 - Answers-When replacing pavement over a trench, what is meant by "overcutting"?
A. All wide spots and bell holes are cut square before paving
A. 6 bags B. 7 bags C. 8.bags D. 9 bags
Deck drainage and coping thickness - Answers-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 - Answers-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 - Answers-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 - Answers-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 - Answers-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 - Answers-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 - Answers-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 - Answers-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 - Answers-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. $ B. $1388. C. $1666. D. $
2 opposite sides - Answers-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 - Answers-Which drawing should be submitted to obtain a permit to install utility connections for a manufactured home on private property?
A. 15
B. 19
C. 20
D. 25
10 - Answers-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 - Answers-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 - Answers-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 - Answers-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 - Answers-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 - Answers-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 C. Install sheeting between the tow layers D. Install two layers of heavy underlayemtn
Only the gravel/rock - Answers-Which of the following needs to be removed when installing spray foam (SPF) roofing over a built-up roof with aggregate?
A. Only the air conditioning units B. Only the walk pads C. The entire roof system D. Only the gravel/rock
Immediately outside the refrigeration room's exit - Answers-Where must the emergency control be installed for a refrigeration room?
A. Immediately next to the exit door of the building B. Immediately outside the refrigeration room's exit C. Within 10 feet of the main control panel D. Within 25 feet of the main control panel
Line to load of alternate adjacent phase - Answers-With the power on, what is the proper sequence when checking fuses on a 3-phase fused disconnect?
A. Line to line of alternate adjacent phase B. Ground to load of alternate adjacent phase C. Line to ground of alternate adjacent phase D. Line to load of alternate adjacent phase
$14380 - Answers-A contractor is bidding to install a walk-in cooler and finds that the compressor costs $4600 and the piping is $5.76/foot for 200 feet of pipe. If this is 40% of the contract, what is the contract's total bid price?
A. $ B. $ C. $ D. $
An approved carrier fitting - Answers-What type of wall fitting should a contractor use to install a wall-mounted water closet?
A. A hubless closet ring B. An approved spud fitting
A. 1
B. 2
C. 4
D. 6
36 sq. Ft - Answers-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 - Answers-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 - Answers-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 - Answers-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
Send it back in the delivery truck - Answers-While planning to pour a footing requiring six yards of concrete, the contractor overestimated the job by one yard. How should the contractor handle the excess material?
A. Place it in a ditch deeper than 4' B. Send it back in the delivery truck C. Ask the general contractor for direction D. Wash the excess int a local street drain
490 sq.ft - Answers-What area does 550 blocks of 8" x 8" x 16" CMU cover?
A. 440 sq.ft B. 490 sq.ft C. 550 sq.ft D. 605 sq.ft
Undue absorption of heat - Answers-Which of the following hazards is the greatest concern when storing gas cylinders?
A. Vibration B. Electromagnetic static C. Extended freezing weather D. Undue absorption of heat
Dogging assembly - Answers-Which item would prevent an exit device from being fire- rated?
A. Plastic end caps B. Dogging assembly C. Surface - mounted vertical rods D. Rim cylinder
613 and US10B - Answers-Which pair of hardware finishes are the same?
A. 605 and US B. 606 and US C. 613 and US10B D. 626 and US
4.0 amps - Answers-When selecting a power supply for a job using four 0.75 amp electromagnetic locks, which is the best power supply?
A. 0.75 amp B. 1.5 amps C. 2.0 amps D. 4.o amps
10' - Answers-What is the maximum distance between joints in a concrete patio?
A. 8' B. 10' C. 12' D. 14'
18' 0" - Answers-If a n architectural drawing gives a scale of 1/8"= 1', what does a line 2-1/4" equal?
D. Postpone the move until it is less windy
Douglas fir - Answers-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 - Answers-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 - Answers-A chiller refrigerates which of the following?
A. Circulating air B. Carbon dioxide C. Circulating water D. Nitrogen
Air-cooled condenser - Answers-A packaged water source heat pump eliminates which of the following components?
A. Capacitor B. Evaporation C. Reversing valve D. Air-cooled condenser
18 - Answers-A lite of glass, which is 42" x 62", has approximately how many square feet of glass?
A. 2604 B. 208 C. 104 D. 18
Pivot hinges - Answers-Which of the following is most important when considering using a heavy door in a storefront system?
A. Lock system B. Door pull size
C. Pivot hinges D. Door stops
Seal the sill corners and screw holes - Answers-When assembling an aluminum patio door frame, how should the frame be sealed?
A. the supplier assembles and seals the frame B. Seal around the frame after installation C. Seal the sill corners and screw holes D. Attach a nail-on flange at the sill to cover the floor base and the outside face for the sill.
Down the stairs - Answers-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 - Answers-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 - Answers-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' - Answers-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 - Answers-Which of the following types of hinges has been designed for adjustment after installation of a wood gate?
The conductors may no pass through the interior of another building or structure - Answers-Which of the following regulations applies to service-entrance conductors that are supplying service to a building or structure?
A. The conductors may no pass through the interior of another building or structure B. The conductors are permitted if the building or structures are close together C. The conductors are only permitted when approved construction drawings show the conductor routing D. The conductors are only permitted when service cannot be installed in any other way
$45.82 - Answers-A contractor needs 13 receptacles that cost $3.56 each plus sales tax of 7.25%. The supplier states that for every 10 receptacles that are purchased, the contractor will get one free of charge. What is the total cost of the receptacles?
A. $42. B. $42. C. $45. D. $49.
The mud is too thick - Answers-Which of the following is the most likely to cause high joints?
A. There is high humidity B. There is low humidity C. The mud is too thin D. The mud is too thick
728 sq ft - Answers-How many square feet of wallboard ware needed to cover both sides of a wall that is 26 feet long and 14 feet high?
A. 364 sq ft B. 546 sq ft C. 728 sq ft D. 736 sq ft
Provide a ladder, ramp, or temporary stairs - Answers-For safety, what should be done when there is a break or change of elevation of 18" or more in a hallway floor?
A. Postpone work until the stairway is constructed B. Provide a warning sign at least 8" x 10" C. Provide a ladder, ramp, or temporary stairs D. Provide caution tape barriers
10 - Answers-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 - Answers-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 - Answers-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 - Answers-What type of jack should be used on a Cat 6 cable installation?
A. RJ- B. RJ- C. RJ- D. RJ-
Pressure bar - Answers-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 - Answers-What sort of drill bit is best suited for drilling dowel holes?
A. Twist B. Spade C. Forster D. Brad point
$112 - Answers-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. $
A. Plumb bob B. Stud finder C. Tape measure D. Rubber hammer
12' - Answers-What length of ceiling wire should be installed for a 10-foot suspended ceiling if the roof deck is a 20 feet?
A. 20' B. 16' C. 12' D. 10'
$18018 - Answers-A contractor is bidding on a job for a 30' high, 60' x 100' metal building. It will be insulated with rigid board in both the ceiling and walls at a cost of $1.10/sq ft. How much should be budgeted for insulation costs, assuming 5% waste?
A. $ B. $ C. $ D. $
36 inches - Answers-According to the California Residential Code, what is the minimum allowable width of a residential hallway?
A. 44 inches B. 40 inches C. 36 inches D. 32 inches
84.78 cubic feet - Answers-What is the volume of a cylinder if the diameter equals 3 feet and the length equals 12 feet?
A. 36 cubic feet B. 84.78 cubic feet C. 226.08 cubic feet D. 339.12 cubic feet
Place the manufacturer's template onto the countertop and follow the insturctions - Answers-What is the proper procedure for installing a sink in a countertop?
A. Sketch the perimeter of the sink and transfer the sketch to the countertop B. Trace the perimeter of the sink onto the countertop C. Cut the approximately sized sink home with a hole saw D. Place the manufacturer's template onto the countertop and follow the instructions
Blow off valve - Answers-What type of connection is used to flush a water line?
A. Air release valve B. Blow off valve C. Post indicator valve D. Detector check valve
To avoid form collapse - Answers-What is the most important reason for someone to supervise the rate of pour when concrete is placed in high wall forms?
A. To prevent rebar movement B. To ensure proper vibration C. To avoid cement pockets D. To avoid form collapse
50 cu yards - Answers-Excluding any shrinkage or compaction, approximately how much backfill material is required to fill the void left by removal of a 10000 gallon underground tank?
A. 30 cu yards B. 40 cu yards C. 50 cu yards D. 60 cu yards
