What is the importance of plans and drawings? - correct answer ✔✔1. communication between
designer and fabricator
2. useful in troubleshooting problems
3. make cost estimations faster and more accurate
4. reduction in waste generation from a particular job
What are the differences between sketches and drawings? - correct answer ✔✔drawings: carefully
drawn with drawing instruments, for larger more complicated projects, drawn to scale with dimensions
and different views
sketches: rough outline of object (generally free hand), generally for small and simple objects, not
usually drawn to scale
used for drawing or measuring angles - correct answer ✔✔protractor
allows inclined lines to be drawn of any angle divisibly by 15 - correct answer ✔✔triangles
used to draw circles, arcs, and ellipses - correct answer ✔✔compass
allows the size of the object to be reduced proportionately - correct answer ✔✔scales
to layout 90 degree lines on drawing - correct answer ✔✔T-square
left and right-hand edges must be straight so blade of square will form a true right triangle - correct
answer ✔✔drawing board
used for measuring and transferring distances - correct answer ✔✔dividers
, to frame drawing, usually 1/2" from edge of paper - correct answer ✔✔border line
to show visible edges of drawing - correct answer ✔✔object line
to show hidden edges on drawing - correct answer ✔✔hidden line
used to indicate the dimension and location - correct answer ✔✔dimension line
to indicate a break in the drawing - correct answer ✔✔break line
shows centers, typically used for drawing circles - correct answer ✔✔center line
used to insert a comment on a drawing - correct answer ✔✔leader line
What type of letters should be used on drawings? - correct answer ✔✔capital letters with consistent
sizes; keep lettering outside edges of drawing
2-d head-on view of each side of object - correct answer ✔✔orthographic or orthographic projection
3-d view with a vertical axis and the two other axes at 120 degrees from the vertical - correct answer
✔✔isometric pictorial
3-d view with a vertical and horizontal axis and the third axis at an angle to the horizontal - correct
answer ✔✔oblique pictorial
what lumber size should be used in drawings? - correct answer ✔✔actual size
what lumber size should be used when determining a bill of materials? - correct answer ✔✔nominal size
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