电气控制核心技能理论知识试卷1（Electrical control, core skills, theoretical knowledge, test paper 1）.doc

电气控制核心技能理论知识试卷1（Electrical control, core skills, theoretical knowledge, test paper 1） Electrical control, core skills, theoretical knowledge, test paper 1 Matters needing attention 1, examination time: 90 minutes. 2. First of all, please fill in your name, ticket number and the name of the unit in the enclosed form of the test paper. 3. Please read the questions and answers carefully. Fill in your answers in the prescribed places. 4, dont write on the paper drawing, do not fill in related content in standard seal area. One or two total score Score Score Raters First, individual choice (first questions ~ eightieth questions). Choose a correct answer and put the corresponding letters into the brackets in the questions. 1 points per game, 80 points. ) 1. circuit diagram is based on (D) to express its content in detail. A, logical diagram, B, position diagram, C, function chart, D, system diagram and block diagram 2. in electrical drawings, letters, numbers, letters, numbers, and numbers can be used. For the =P1 system, the fifteenth graph is correctly represented as (D). A, =1P/15/B4, B, =P1/15/4B, C, =P1/B4/15, D, =P1/15/B4 3. electrical graphical symbols in the form of (D) species. A, 1 B, 2 C, 3 D, 4 4., there is a project in the code named =T4+D25-K3:18, then the type code name (C). A, =T4, B, +D25, C, -K3, D: 18 5. the wiring table should be in accordance with (D). A, circuit diagram, B, logic diagram, C, function diagram, D and wiring diagram 6. the first step in the reading procedure of the electric traction auxiliary circuit is (A). A, look at the type of power supply B, find out the principle of auxiliary circuit C, look at the relationship between electrical components, D, see other electrical components 7. the third step in reading the auxiliary circuit is (C). A, look at the power B, distinguish auxiliary circuit, how to control the main circuit C, looking for electrical components of the relationship between D, look at the lighting circuit 8. read the seco