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4: Test Your Knowledge
List two basic purposes of a T-square.
Why is a vinyl board cover sometimes attached to the working surface of a drawing board?
_____ are transparent plastic tools used to draw vertical lines and inclined lines at 30°, 45°, and 60° angles.
A compass is used in drafting to draw _____ and _____.
A pencil is repointed with a(n) _____.
The best way to attach a drawing sheet to the board is to use drafting _____.
A(n) _____ is a small mesh pouch filled with very fine eraser particles used to collect excess graphite from a drawing surface.
What is the purpose of a
protractor
?
What grade of lead pencil is recommended for layout work? What grade pencil is recommended for darkening lines and lettering?
Describe the different meanings of the term scale in relation to drafting.
The whole number divisions on an architect's scale are used to make measurements in _____.
A(n) _____ scale is a fully divided scale with inch divisions that are multiples of 10.
List five basic hardware components that make up a CAD system.
What type of memory is used by a computer to temporarily store and process unsaved data for later retrieval?
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