General Carpentry: M2 Building Materials and Fasteners

What is the main difference between HDO and MDO plywood?

• HDO is coated on one side, MDO on both

• HDO is for interior use, MDO for exterior

• HDO has a hard, resin-impregnated fiber overlay

• MDO is not suitable for painting

Aerated block CMU's are used in building projects that require what types of blocks

• lightweight

• water resistant

• backfilled

• dense

Which of the following is the highest quality plywood veneer?

• A

• B

• C

• D

Softwood comes from what types of trees?

• leaf bearing

• deciduous

• coniferous

• auspicious

What is indicated by E

• Moisture content

• Species identification

• Grade designation

• Mill identification

How many panels of plywood are required to cover the floor for a room that measures 30' long and 15' wide?

• 15

• 17

• 19

• 13

Which of the following is a defect in lumber that would cause it to be rejected for use in framing?

• Wane

• Split

• Machine offset

• Torn Heavy Grain

how should I joists be stored

• vertically, oriented the way they will be installed

• horizontally, oriented on their side

• Horizontally and no more than 1" of the ground

• vertically, hanging from the top plate

Which of the following is always a requirement when handling or moving building materials

• proof of a physical exam

• respirator

• PFAS

• PPE

Which of the following is a component of the proper technique for lifting heavy materials?

• raise the materials to shoulder height

• bend the knees

• bend at the waist

• hold the materials away from the body