Download Construction Trade Questions and Answers and more Exams Mathematics in PDF only on Docsity!
CSLB - Trade
What backfill should be used after concrete forms have been removed? - correct answer Sand The best type of material to set a house foundation on is what? - correct answer Gravel What does rough grade referred to in excavation and grading? - correct answer The grade approximately conforming to the finish grade How many days can earth from a trench be piled up against a structure? - correct answer 7 How wide must be access to a toilet to be? - correct answer 32 inches What is the minimum allowable distance between a structure and a pool? - correct answer Based on the depth of the utility excavation How many fire exits are required in bedrooms for buildings of four stories or less? - correct answer One What is a class III hazardous structure? - correct answer Textile Mill What is the maximum occupant load per foot of exit-width in a building? - correct answer 50 What is the minimum Permitted clear width for an exit door in a building? - correct answer 32 inches How wide must a handicap access door to a building be? - correct answer 36 inches What is the minimum width of a vestibule? - correct answer 44 inches
What is the minimum height of a railing joining an elevated or sunken open area? - correct answer 42 inches What is the minimum size for an attic access opening? - correct answer 22" x 30" Which tool most accurately determines the relative elevations of points in a landscape? - correct answer a Transit Where is a step footing or stepped foundation used? - correct answer Hilly Terrain What can you use to prevent condensation on the cold water line during hot weather? - correct answer Insulation What is the best insulator? - correct answer Styrofoam What is the difference between a blanket insulation and batted insulation? - correct answer Length Where do you position the vapor barrier when placing insulation in sub flooring? - correct answer Upwards How far away are you supposed to install insulation from a vent opening? - correct answer 12" What is typically the easiest insulation to install an older homes? - correct answer Loose-fill Insulation for furnace flue's should be... - correct answer Single-wrap, TIGHT Where should a vapor barrier be installed? - correct answer between insulation and interior walls How is insulation best determined? - correct answer R-value
How often should I safety valve on a portable air compressor be popped? - correct answer Weekly Mobile crane's with booms over 200 feet require a load indicating device when capacity is greater than?
- correct answer 50 tons How long must an employer keep medical records regarding asbestos exposure in the workplace? - correct answer 30 years When is the safest time to handle asbestos? - correct answer wet At what point does an employer need to begin keeping Cal OSHA records of illnesses and injuries? - correct answer 10+ employees What governmental agency is responsible for construction safety? - correct answer Cal OSHA What is the proper technique to use when lifting heavy loads? - correct answer Bent knees, keep back straight Which way should a crown face if there is a small crown in a framing member? - correct answer up Which framing members are laid out first when you start to frame a wall? - correct answer Sill plates What is the most common type of framing in California? - correct answer Western or platform What is the uniform building code for second and third floor studs? - correct answer 2" x 4" What is the best tool to cut rivets and nails with? - correct answer Hacksaw If the nail you are using has a tendency to split the board, which type of nails should you use? - correct answer Finish
What is a disadvantage of blunting a nail? - correct answer It is harder to drive in At what angle should hardwood flooring be nailed? - correct answer 45 degrees What should you do before you finish a cabinet? - correct answer Sanding what do paint grade wood cabinets require? - correct answer sanding, priming, and finishing What are the standard dimensions for lower kitchen cabinets? - correct answer 36" height, 24" depth What are the standard dimensions for upper kitchen cabinets? - correct answer 30" height, 12" depth What is the standard height of the kitchen base cabinet? - correct answer 36 inches How do you prevent warping of a set of wood cabinets delivered to a job site? - correct answer Place inside and unwrap, but cover for 4 to 5 days What is the best saw to use when cutting with the grain? - correct answer Rip Saw When cutting with a saber saw, does the good side go up or down? - correct answer Down What is the best saw to use when cutting a square hole in a sheet of plywood? - correct answer Reciprocating saw When cutting plywood with the tablesaw, should the good side be facing up or down? - correct answer Up What should you do when operating a portable saw? - correct answer make sure it is grounded
A fire rated door should be installed: - correct answer between the garage and kitchen The distance from the head jamb rabbet to the top of the upper hinge barrel is: - correct answer 6" - 7" What is the bottom, framing member of a door frame called? - correct answer threshold What is the normal height of a door opening? - correct answer 6' - 8" What would be the standard distance from the bottom of a non-pre-fabricated door to the door knob? - correct answer 36" If the edges meet over the floor joist, what sort of sub floor material would you use? - correct answer plywood What do you add if the floor joists can't handle a spin by the size of the joist alone? - correct answer Columns and piers In sub flooring, what does not have joints over the joists? - correct answer Tongue and grove What runs from the electricity supply to the house wiring? - correct answer Service A #12 rubber covered copper wire's maximum ampacity is: - correct answer 20 amps What is the advantage of non metallic cable? - correct answer It can be used indoor and outdoor What is the minimum depth to bury utility lines? - correct answer 18 inches Each switch in a group of switches for several fluorescent fixtures should be: - correct answer Type "T"
A fuse or circuit breaker should be put on the side of the circuit having: - correct answer black wire Why is aluminum electrical wire used? - correct answer It is less expensive In electrical wiring, splices must be made: - correct answer inside the box What is used to advance wire through conduit? - correct answer fish tape How many whites are equivalent to 1 hp? - correct answer 746 watts What does GFI stand for? - correct answer Ground fault interrupter For non-metallic cable, which wires connected to the outlet box? - correct answer Bare copper wire Which aggregate is best for pumping concrete? - correct answer Rounded Concrete should be maintained above 50°F and in moist condition for at least how many days after placement? - correct answer 7 days The chemical used to speed up curing of concrete during damn conditions is: - correct answer Calcium chloride What type of concrete is the slowest curing? - correct answer Type IV What tool is used to smooth concrete or finish and flatten the slab? - correct answer Darby What should one use for non-porous smooth finish? - correct answer steel trowel Before pouring, cement mortar is mixed for: - correct answer 3 minutes
Where should floor posts be set? - correct answer Should be set on a concrete post base What is the minimum clearance for rebar embedded in concrete? - correct answer 2 inches What type of mortar is medium high strength, and is used were high compressive strength is not important but we are bond and lateral strengths are? - correct answer S type mortar (S-trong) What type of motor is medium low strength, used in a non-loadbearing interior wall and load bearing wall in which compression is not greater than 100 psi, and exposure is not severe? - correct answer O type mortar (l-O-w) What type of motor is medium strength, used in exposed masonry above grade and withstand severe weathering? - correct answer N type mortar (rai-N) What type of motor is high strength, used for reinforced brick masonry and plain masonry below grade, and has high compressive strength? - correct answer M type mortar (M-asonry) In an area subject earthquake damage, what mortar type would be the most durable? - correct answer M type mortar A tool that has one face that is shaped like a chisel for trimming brick or stone is a: - correct answer Masons hammer
