文档介绍：cad 试题(cad 试题)
code of professional practice
(1) devotion to duty and dedication to work.
(2) pay attention to quality, pay attention to reputation.
(3) aggressive, unity and cooperation.
(4) abide by the law and pay attention to social morality
One is not a problem, a judgment problem
The icon menu bar of can be customized, can be deleted, or can be added. (right)
is puter graphics software for American pany. (right)
3. in CAD, you can use the mouse two key scroll instead of icon menu scaling and rotation operation. (right)
4. mands can be programmed with keyboard input (shortcut) to improve the drawing system. The letters in the shortcut can be defined by the user himself. (right)
5. orthogonal lines refer to horizontal and vertical lines. (wrong)
The 6. orthogonal line refers to the straight line drawn in the orthogonal way. (right)
7. the use of graphical mands (such as mobile and array) can be the first point mand, select graphics, also can first choose graphics, and mand. (right)
8. when using external mands, when the external block graph changes, the reference section will also change. (wrong)
9. when the pattern is filled, the chosen area is 1, indicating that the line spacing of the pattern filling is 1. (wrong)
Compared with the conventional design method, the design is advantageous to the standardization, breakdown and generalization of the product. (right)
11. in mechanical drawing, GB/T is the code of the mended national standard, generally referred to as "GB" (wrong)
12. national standards. The width size of A4 drawing is 210X297, and the width of the drawing of A3 is 295X420 (pair)
13. in the standard drawing, each drawing should draw the title column, the title column should be located in the lower right corner of the pattern (opposite)
14. in the mechanical drawing, the proportion of 2:1 es the magnification ratio, such as the size of the object is 10, then the figure in the drawing should be painte