Concrete
What is the most important PPE when mixing concrete?
safety glasses
What is the standard spacing for wall studs in residential construction?
16 inches on center
What is the most common type of roofing material used in residential homes?
Asphalt shingles
What color wire is the neutral wire?
white
What is the horizontal part of a stair that you step on?
Tread
What is the process of concrete hardening called?
Curing
What horizontal member sits at the bottom of a wall and is attached to the floor?
Bottom plate (sole plate)
What is the peak of a roof called?
Ridge
What color wire is typically used for the “hot” wire?
Black
What is the vertical part between each step called?
Riser
What is added to concrete to increase its tensile strength?
Rebar (reinforcing steel)
What is the purpose of a header above a door or window?
To support the load above the opening
How are decking panels typically secured to roof framing?
nails/screws
What is the electrical term for a light switch?
Toggle switch
What is the angled board that supports the treads and risers?
Stringer
What happens if too much water is added to a concrete mix?
it weakens the concrete
What type of stud is placed on either side of a window or door opening to support the header?
Jack stud (trimmer stud)
Before installing shingles, what is the first line of shingles called?
Starter Shingle/Starter Strip
How much wire insulation do you remove to expose the copper strand
5/8"
What is the purpose of a handrail?
Safety and support while using stairs
What are the 4 components to concrete?
water, cement mix, rocks, sand
What is the name of the short studs placed above a header or below a window sill?
Cripple studs
What goes over the roof deck but under the shingles?
Felt (moisture barrier)
What is the purpose of a ground wire?
Provides a safe path for electricity to prevent shock
What is the typical maximum height for a riser in residential construction?
7¾ inches (often rounded to 7–8 inches)