1) Which of the following operating systems is used with CAD systems? DOS UNIX Linux all of the above Which line type is thin and light? visible lines center lines construction lines all of the above Which line type is thick and black? visible lines center lines construction lines all of the above What type of sketches are typically used in the refinement stage of the design process? isometric document oblique ideation What type of sketch incorporates convergence? isometric perspective oblique multiview What type of sketch shows the front in true shape? isometric perspective oblique axonometriC What is the major difference(s

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1) Which of the following operating systems is used with CAD systems?

1. 1. DOS
   2. UNIX
   3. Linux
   4. all of the above
2. Which line type is thin and light?
   1. visible lines
   2. center lines
   3. construction lines
   4. all of the above
3. Which line type is thick and black?
   1. visible lines
   2. center lines
   3. construction lines
   4. all of the above
4. What type of sketches are typically used in the refinement stage of the design process?
   1. isometric
   2. document
   3. oblique
   4. ideation
5. What type of sketch incorporates convergence?
   1. isometric
   2. perspective
   3. oblique
   4. multiview
6. What type of sketch shows the front in true shape?
   1. isometric
   2. perspective
   3. oblique
   4. axonometriC
7. What is the major difference(s. between perspective and parallel projection?
   1. Parallel projection can only be used with objects containing parallel edges.
   2. Perspective projection gives a more realistic representation of an object.
   3. Parallel projection is equivalent to a perspective projection where the viewer is standing infinitely far away.
   4. Perspective projection can only be used for creating oblique and not isometric pictorials.
   5. b and c
8. What type of sketch uses a miter line?
   1. a two-view multiview
   2. an isometric pictorial
   3. a three-point perspective pictorial
   4. a three-view multiview

 

9. Which type of line has precedence over all other types of lines?
   1. a hidden line
   2. a center line
   3. a visible line
   4. none of the above
10. Which statement(s. is true about the precedence of lines?
    1. a hidden line has precedence over a center line
    2. a center line has precedence over a visible line
    3. a visible line has precedence over a miter line
    4. all of the above