Drafting 1st semester exam
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32 terms
Terms | Definitions |
|---|---|
 sketching is the use of the ___________ language | graphic |
| how many minutes are in a degree | 60 |
| how come drawing have to be correctly numbered | so they can be easily understood by others |
| name the two scales that we will use in this class | architect and engineering |
| describe how a circle is sketched | with spokes or inscribed within a square with arcs tangent to each side not corner |
| sketching is a valuable means to do what | to express ideas |
| freehand sketching is a valuable skill in both _____________and ___________work | technical and non technical |
| how many seconds in a minute | 60 |
| describe what a compass is and what it is used for | it is a drawing instrument used to draw arcs and circles |
| sketching is usually the ________ step in the order of getting a design drawn and built | first |
| sketches are not usually drawn to scale, but rather they are drawn to ________ | proportion |
| can anyone learn to be a mechanical drawer | yes |
| one of the main requirements for good lettering is | uniformity |
| describe what the 1/2 scale is on the architectural scale and how it is used | it makes 1/2 of the actual size. |
| if you view circles at an angle they appear as ___________ | ellipses |
| why is yellow paper used to draw on | it doesn't strain you eyes |
| what is the purpose of the eraser shield | it is used to erase unnecessary lines and protect necessary lines from getting erased |
| describe what drawing to scale refers too | drawing something to a size that fits on the paper |
| what is the name of the instrument that we will be using instead of a t-square | parallel bar |
| what are the three objects needed in making a sketch | paper, pencil, eraser |
| what is a vertical line and how should you draw them | they should be drawn top to bottom, using a t-square and one of your triangles and in one single stroke |
| describe how to square your paper and tape in down using the drawing board | use the t-square to get parallel to the top and bottom of the board and then tape down the opposite side of the paper |
| why should you keep your pencil sharp | accuracy |
| what are the 2 triangles that are used in drawings | 30x60x90 and the 45x45x90 |
| explain how you should sketch a straight line | find your start and end point. turn paper so that your drawing in down strokes and the take a few practice strokes and then draw in many short strokes |
| what is a horizontal line and how should you draw one | left to right using a t-square |
| how many degrees in a circle | 360 |
| what is the difference between mechanical drawings and freehand sketching | mechanical drawings are done with tools and drawn to scale and freehand are drawn to proportion |
| explain what guide lines are | horizontal and vertical lines that improve uniformity |
| should you always use uppercase or lowercase | uppercase |
| how much is the sum of all the interior angles of a triangles | 180 |
| what type of geometry are these drawings based on | plane geometry |
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