RESIDENTIAL CONTRACTOR CORE EXAMS MAIN
QUESTIONS AND ANSWERS SET A+
✔✔What type of door consists of stiles and rails? - ✔✔Raised panel door
✔✔A door that is hinged on the right side and opens out is a? - ✔✔Right hand door
✔✔Roofers working on steep slope roofs: - ✔✔Must be protected from falling
✔✔What should be added to concrete in cold weather? - ✔✔Accelerators
✔✔The minimum compressive strength for foundation concrete that will be exposed to
the weather is - ✔✔2500 psi
✔✔What is a ledger? - ✔✔The length of lumber that connects a deck to a house
✔✔When abrasive blasting brick for the best results the correct pressure should be set
at? - ✔✔60-100 psi
✔✔Oxygen deficiency can reasonably be expected to exist in excavations in landfill
areas. The atmospheres in the excavation shall be tested before employees enter
excavations with a depth greater than - ✔✔4'
✔✔How long should wood flooring be stored in the building in which it is going to be
installed to allow for proper acclimation? - ✔✔4 days
✔✔Fireblocking may be required if a wall is over _____ high? - ✔✔10'
✔✔The most effective waterstops are made of - ✔✔PVC
✔✔What is the minimum slope of a roof when using asphalt shingles? - ✔✔2:12
, ✔✔What can be substituted for a 2A fire extinguisher? - ✔✔One 55-gallon open drum of
water with two fire pails
✔✔What do you call the length of a trench that a backhoe can excavate from one
position? - ✔✔set
✔✔The minimum width of a stairway when measured between two handrails shall be -
✔✔31 1/2"
✔✔Blocks are positioned in a wall: - ✔✔wide flange up
✔✔The minimum clearance between scaffolds and insulated power lines with less than
300 volts shall be - ✔✔3'
✔✔the maximum allowable slope for excavation less than 20 feet in depth for type C
soil is: - ✔✔½ horizontal to 1 vertical
✔✔If a protective shield (trench box) is in use at a jobsite. What must also be kept on-
site - ✔✔Tabulated data and name of engineer
✔✔What are three types of concrete joint? - ✔✔Construction, Isolation, and Contraction
✔✔When the vertical distance from the working level to the level below is over 10 feet,
the safety net shall extend outward from the outermost projection a minimum of how
many feet? - ✔✔13'
✔✔The minimum width of a hallway shall be not less than: - ✔✔3'
✔✔What type of fasteners should be used when nailing a knee wall on a wood
foundation? - ✔✔Stainless steel nails
✔✔What is the maximum size stone for gravel under wood foundations - ✔✔3/4"
✔✔What is the maximum allowable slope for the top surface of a footing? - ✔✔1.5
✔✔What is the maximum load for floor joists that support sleeping areas and attics that
are accessed by means of a fixed stairway? - ✔✔A live load of 30 psf. and a dead load
of 20 psf.
✔✔In seismic reinforcing, bottom reinforcement shall be located a minimum of how
many inches clear from the bottom of the footings? - ✔✔3"
QUESTIONS AND ANSWERS SET A+
✔✔What type of door consists of stiles and rails? - ✔✔Raised panel door
✔✔A door that is hinged on the right side and opens out is a? - ✔✔Right hand door
✔✔Roofers working on steep slope roofs: - ✔✔Must be protected from falling
✔✔What should be added to concrete in cold weather? - ✔✔Accelerators
✔✔The minimum compressive strength for foundation concrete that will be exposed to
the weather is - ✔✔2500 psi
✔✔What is a ledger? - ✔✔The length of lumber that connects a deck to a house
✔✔When abrasive blasting brick for the best results the correct pressure should be set
at? - ✔✔60-100 psi
✔✔Oxygen deficiency can reasonably be expected to exist in excavations in landfill
areas. The atmospheres in the excavation shall be tested before employees enter
excavations with a depth greater than - ✔✔4'
✔✔How long should wood flooring be stored in the building in which it is going to be
installed to allow for proper acclimation? - ✔✔4 days
✔✔Fireblocking may be required if a wall is over _____ high? - ✔✔10'
✔✔The most effective waterstops are made of - ✔✔PVC
✔✔What is the minimum slope of a roof when using asphalt shingles? - ✔✔2:12
, ✔✔What can be substituted for a 2A fire extinguisher? - ✔✔One 55-gallon open drum of
water with two fire pails
✔✔What do you call the length of a trench that a backhoe can excavate from one
position? - ✔✔set
✔✔The minimum width of a stairway when measured between two handrails shall be -
✔✔31 1/2"
✔✔Blocks are positioned in a wall: - ✔✔wide flange up
✔✔The minimum clearance between scaffolds and insulated power lines with less than
300 volts shall be - ✔✔3'
✔✔the maximum allowable slope for excavation less than 20 feet in depth for type C
soil is: - ✔✔½ horizontal to 1 vertical
✔✔If a protective shield (trench box) is in use at a jobsite. What must also be kept on-
site - ✔✔Tabulated data and name of engineer
✔✔What are three types of concrete joint? - ✔✔Construction, Isolation, and Contraction
✔✔When the vertical distance from the working level to the level below is over 10 feet,
the safety net shall extend outward from the outermost projection a minimum of how
many feet? - ✔✔13'
✔✔The minimum width of a hallway shall be not less than: - ✔✔3'
✔✔What type of fasteners should be used when nailing a knee wall on a wood
foundation? - ✔✔Stainless steel nails
✔✔What is the maximum size stone for gravel under wood foundations - ✔✔3/4"
✔✔What is the maximum allowable slope for the top surface of a footing? - ✔✔1.5
✔✔What is the maximum load for floor joists that support sleeping areas and attics that
are accessed by means of a fixed stairway? - ✔✔A live load of 30 psf. and a dead load
of 20 psf.
✔✔In seismic reinforcing, bottom reinforcement shall be located a minimum of how
many inches clear from the bottom of the footings? - ✔✔3"
