CSLB TRADE TEST QUESTIONS AND ANSWERS A+
GRADED. Buy Quality Materials!
What are the requirements for traffic cones on a construction site?
Size/reflectors/structure
Must be orange
Made of PVC to avoid vehicle damage
Must have a reflective collar for nighttime use
Must be heavy enough to withstand any weather
Must be at least 28 inches for high traffic areas
How to prepare a surface to paint over oil with latex paint?
Clean the surface with a sponge dipped in a solution of TSP (trisodium phosphate)
mixed with water. Remove the cleaner with a sponge and clean water, then allow the
surface to dry. Apply a coat of a quality bonding primer (oil-based or latex), and allow
the primer to dry.
How do you put insulation over attic vents?
Different types of roofs
What are the requirements for a handicap shower?
Size: The shower should be at least 60 inches long and 30 inches wide. Additionally,
you should leave a clearance of the same size outside the shower.
Thresholds: The rise into the shower should be 1/2 inch or less.
Drainage: You may design your shower with a 1:48 slope to provide drainage.
Optional seat: Roll-in showers are usually not required to have a seat, but if you choose
to include one, it must attach to the wall and fold out of the way.
Grab bars: If your shower does not have a seat, three walls should have grab bars that
meet ADA Standards.
Shower controls: Place all knobs and controls within a space no higher than 48 inches
from the floor.
What are handicap rail requirements buildings (height)
Handrail height: 34 inches - 38 inches from the walking surface. Handrail grip: 1-1/4
inch minimum to 2-inch maximum outside diameter for circular handrails
When do you do a full spray down on masonry?
The best time to clean is in 14 to 28 days after construction is complete
What are the different house foundation types?
Concrete slab foundation
Basement foundation
Crawl space foundation
, Beam foundation
Crawlspace
Pier foundation
Wood
Basement
Concrete panels
How to find the slope of a stair tread?
https://www.youtube.com/watch?v=m-0d0uVPcog
For a flat roof where must drains be placed?
Scuppers are openings or channels located at the low points of a flat roof. They allow
water to drain off the roof and into the downspouts and gutters. Scuppers are often
paired with overflow drains to prevent water from accumulating and causing damage to
the roof.
Other than a hammer, what else do you need to install a prehung door?
2-foot level
4-foot level
Plumb bob (Plummet)
Nail set
Hammer
Drill
Screw gun
Utility knife
Screwdriver
Small square
Chisel – 3⁄4 inch
3-inch-long drywall screws
Wood shims
8-penny finish nails
How do you find the total area of a concrete wall?
Take the length in feet times the width and height of the wall to figure your cubic
footage. Then divide that figure by 27 to get your cubic yards
What is required for a fountain? (outlet/ground/electrical?)?
Ground-fault circuit-interrupter (GFCI) equipped outlets are recommended for protection
against electrical shock hazards
When a public building has card access what is required for emergency?
The fire department must be able to open any doors leading into the building that may
be locked. This means an access box may be required to give the fire department the
ability to obtain keys to unlock the building during an emergency
What compact percentage is required in soil? (building)
95% compaction
How to prevent dust on a 5 acre job site?
Water. Spraying water is the most common way that workers deal with dust during a
project
What components are in a residential HVAC vs Commercial?
Residential HVAC units are stand-alone systems that are smaller in size and therefore
have fewer components. A commercial HVAC system, on the other hand, is larger and
GRADED. Buy Quality Materials!
What are the requirements for traffic cones on a construction site?
Size/reflectors/structure
Must be orange
Made of PVC to avoid vehicle damage
Must have a reflective collar for nighttime use
Must be heavy enough to withstand any weather
Must be at least 28 inches for high traffic areas
How to prepare a surface to paint over oil with latex paint?
Clean the surface with a sponge dipped in a solution of TSP (trisodium phosphate)
mixed with water. Remove the cleaner with a sponge and clean water, then allow the
surface to dry. Apply a coat of a quality bonding primer (oil-based or latex), and allow
the primer to dry.
How do you put insulation over attic vents?
Different types of roofs
What are the requirements for a handicap shower?
Size: The shower should be at least 60 inches long and 30 inches wide. Additionally,
you should leave a clearance of the same size outside the shower.
Thresholds: The rise into the shower should be 1/2 inch or less.
Drainage: You may design your shower with a 1:48 slope to provide drainage.
Optional seat: Roll-in showers are usually not required to have a seat, but if you choose
to include one, it must attach to the wall and fold out of the way.
Grab bars: If your shower does not have a seat, three walls should have grab bars that
meet ADA Standards.
Shower controls: Place all knobs and controls within a space no higher than 48 inches
from the floor.
What are handicap rail requirements buildings (height)
Handrail height: 34 inches - 38 inches from the walking surface. Handrail grip: 1-1/4
inch minimum to 2-inch maximum outside diameter for circular handrails
When do you do a full spray down on masonry?
The best time to clean is in 14 to 28 days after construction is complete
What are the different house foundation types?
Concrete slab foundation
Basement foundation
Crawl space foundation
, Beam foundation
Crawlspace
Pier foundation
Wood
Basement
Concrete panels
How to find the slope of a stair tread?
https://www.youtube.com/watch?v=m-0d0uVPcog
For a flat roof where must drains be placed?
Scuppers are openings or channels located at the low points of a flat roof. They allow
water to drain off the roof and into the downspouts and gutters. Scuppers are often
paired with overflow drains to prevent water from accumulating and causing damage to
the roof.
Other than a hammer, what else do you need to install a prehung door?
2-foot level
4-foot level
Plumb bob (Plummet)
Nail set
Hammer
Drill
Screw gun
Utility knife
Screwdriver
Small square
Chisel – 3⁄4 inch
3-inch-long drywall screws
Wood shims
8-penny finish nails
How do you find the total area of a concrete wall?
Take the length in feet times the width and height of the wall to figure your cubic
footage. Then divide that figure by 27 to get your cubic yards
What is required for a fountain? (outlet/ground/electrical?)?
Ground-fault circuit-interrupter (GFCI) equipped outlets are recommended for protection
against electrical shock hazards
When a public building has card access what is required for emergency?
The fire department must be able to open any doors leading into the building that may
be locked. This means an access box may be required to give the fire department the
ability to obtain keys to unlock the building during an emergency
What compact percentage is required in soil? (building)
95% compaction
How to prevent dust on a 5 acre job site?
Water. Spraying water is the most common way that workers deal with dust during a
project
What components are in a residential HVAC vs Commercial?
Residential HVAC units are stand-alone systems that are smaller in size and therefore
have fewer components. A commercial HVAC system, on the other hand, is larger and
