Building Components & Materials
What part of a house supports the entire structure and transfers the load to the ground?
The foundation
Which saw would you use for cutting across the grain of wood?
Crosscut saw
What type of drawing shows multiple views (front, top, side) of a construction project?
Technical drawing / working drawing
What does PPE stand for?
Personal Protective Equipment
Name one way the construction industry can harm the environment.
Deforestation, pollution, waste in landfills, energy use in material production
What is the difference between nominal and actual lumber dimensions?
Nominal is the name size, actual is the real measurement after milling
What safety device must always be used with table saws and mitre saws?
Blade guard / safety guard
Convert ⅛ inch into millimetres (approximate).
3 mm
Name two examples of PPE commonly used in construction.
Safety glasses, dust mask, gloves, hard hat, steel-toed boots
What is one way builders reduce environmental impact?
Recycling materials, using efficient cutting patterns, local materials, energy-efficient design
Which structural component spans across wall openings to support loads above doors and windows?
Lintel or header
Name two temporary and two permanent assembly techniques.
Temporary: screws, double-headed nails. Permanent: gluing, mortise and tenon, dovetail, mitre joint
If a wall is 12 feet long and studs are spaced every 16 inches, how many studs are needed (not including corners)?
10 studs
What Ontario law gives workers the right to know, participate, and refuse unsafe work?
The Occupational Health and Safety Act [OHSA]
Name two secondary pathways leading to construction careers.
Apprenticeships, SHSM, Co-Op, OYAP
Name two natural and two manufactured building materials commonly used in construction.
Natural: wood, stone. Manufactured: plywood, MDF, OSB, metal)
What tool would you use to check if something is perfectly vertical (plumb)?
A level, laser, or plumb bob
What is the formula to calculate the area of a circle?
π × radius²
What does WHMIS stand for and why is it important?
Workplace Hazardous Materials Information System – informs workers of hazardous materials
Give an example of a non-traditional career choice in construction that is supported by mentoring programs.
Women in trades, Indigenous apprenticeships, newcomers in skilled trades
Put these in the correct order of construction: studs, roof trusses, foundation, floor joists.
Foundation → Floor Joists → Studs → Roof Trusses
List the correct Order of Operation
Rough Length → Joint Face → Joint Edge → Glueing? → Plane thickness → Finished Width → Finished length
A concrete pad measures 10 ft × 12 ft × 0.5 ft thick. What is the volume in cubic feet?
60 cubic feet
Name one safety agency in Ontario that oversees workplace safety in construction.
WSIB, Ministry of Labour, Construction Safety Association of Ontario
What are the Essential Skills and work habits from the Ontario Skills Passport that are critical for construction?
Skills: reading text, measurement, calculation. Work habits: teamwork, reliability, safety, initiative