高级制图员基础题（Advanced cartographer basics）.doc

高级制图员基础题（Advanced cartographer basics） Basic knowledge 1. Basic knowledge of drawing (1) basic knowledge of cartographic national standards Cartographers at all levels must be proficient in the following national standards: Drawing format (GB/T 14689-1993) proportion (GB/T 14689-1993) Font (GB/T 14689-1993) drawings (GB/T 14689-1993) (2) the use of drawing instruments refers to manual drawing instruments and equipment, including drawing instruments, tracing instruments, tint-size, triangular plates, curving plates, drawing boards, etc. 2. Basic knowledge of projection method The basic knowledge of projection method refers to the application of the central projection, parallel projection, oblique projection, the concept of positive projection and projection method. The basic knowledge of computer graphics is reflected in the operation skills assessment. The basic knowledge of professional drawings is reflected in the professional chart. The basic requirements of professional ethics and laws and regulations are not required for this test. The contents of the basic knowledge are presented in the form of selecting or judging the right and wrong questions in the assessment. Some questions are given below for review. The Chinese characters in the drawings should be written in the form of (C), with the official publication of the simplified Chinese characters. The new song (B) official script (C) the long imitation song (D) fang zheng shu In the mechanical drawing, the visible contour line is used (A). Solid line (B) fine line (C) wavy line (D) dotted line The dimensions indicated in the drawings shall generally consist of (C). (A) size digital lines and terminal, size arrows (B) size boundary lines and terminal, size digital line (C) size, size, size arrow (D) lines, dimension lines, size number 2:1 is the ratio of (A). (A) to enlarge (B) to reduce (C) preference (D) to use as little as possible When using a compass drawing, the steel needle and lead core should be as per