Roof Types - Answers Hip, Mansard, Butterfly, Shed, Gable, Gambrel, Flat
Step Off Method - Answers Errors are cumulative... can be accurate if careful; Calculations very easy;
no calculator required; Done entirely with framing square.
Rafter Table Method - Answers Most accurate method (tie); Minor calculations required (simple
algebra); relatively quick, most commonly used.
Calculate Method - Answers Most accurate method (tie); Calculation intensive (geometry or
trigonometry); relatively slow, not commonly used.
Scale Method - Answers Least accurate method, but fastest; no calculations whatsoever required.
Safety in Carpentry Work - Answers Correct Tools for each job, lift heavy objects properly, avoid falls
and falling objects; fire safety; remove protruding nails.
Softwood Lumber - Answers - From needle leaf, coniferous trees (SPF).
- Grading based on principles set by the American Lumber Standards Committee.
What is SPF - Answers Spruce, Pine, Fur
The Four Classifications of Softwood Lumber - Answers - Boards
- Dimensional Lumber
- Timber
- Factory/Shop Lumber
Hardwood Lumber - Answers - From deciduous or broad leaf trees.
- / / grades established by the National Hardwood Lumber Association
1 board foot = ? - Answers 144 in^3
How is plywood sold? - Answers By square foot.
How is trim and molding sold? - Answers By the linear foot.
Stand - Out - Answers How far the tape measure extends without support. Wider and higher quality
tapes have a greater stand-out.
Tape Case - Answers Protects blade and retraction spring. Molded rubber bumpers help extend life.
End Hook - Answers Riveted in place, designed to slide slightly. Slide distance equal to thickness of
hook to compensate for hooked vs. butted measurements. Control retraction speed to protect end
hook.
Blade Lock - Answers Secures blade while taking a measurement
Readability - Answers Sometimes too much writing on tape can be distracting.
Safety in Power Woodworking (Part 1) - Answers - Obtain instructor's permission.
- Wear proper clothing.
- Protect your scalp and hair.
- Keep guards in place.
- Unplug the machine.
- Work only at operating speed.
- Shut off machine...don't leave a running machine unattended.
Safety in Woodworking (Part 2) - Answers - Store unused accessories.
- Do not overreach.
- Avoid distractions.
- Know the switch locations.
- Know each machine.
- Use a dust-collecting machine.
- Observe work zones.
- Protect your eyes and face.
- Never stop moving parts abruptly.
Table Saw Safety - Answers - Do not wear gloves.
- Remove bracelets and rings.
- Check blade for broken teeth and cracks.
- Stand to one side of saw blade.
- Never reach across blade.
- Avoid awkward positions.
- Never raise blade more than 1/4" above work.
- Don't rip round, irregular stock.
Ripsaw Blade - Answers - Chisel-like teeth, hooked forward.