维修电工高级题库1（Senior maintenance electrician exam 1）.docVIP

维修电工高级题库1（Senior maintenance electrician exam 1） 1., in the market economy, professional ethics has (C) the social function. A encourages people to freely choose careers, B, and curb the maximization of profits C promotes the standardization of peoples behavior, D, and maximize the benefit of people 2. the following options are part of the corporate culture function (A). A, integration function, B, social communication, C, song and dance entertainment, D, physical exercise 3. the role of professional ethics in the following options is (D). A, determine the economic benefits of enterprises, B, and enhance the cohesion of enterprises C, enhance the centrifugal force of enterprises, D, and enhance the independence of enterprise employees 4., measures to promote equal respect among employees in enterprise production activities are (D). A, mutual benefit, equal distribution of B, strengthening exchanges and equal dialogue C, as long as the cooperation competition, not D Mans heart is incomprehensible. caution. 5. within the power supply, the negative electrode points to the positive electrode, i.e., from (D). A, high potential point high potential B, low potential point low potential C, high potential point low potential D, low potential point high potential The total current in the 6. parallel circuit is equal to (C) in each resistor. A, reciprocal sum, B, equal C, current sum D, the current assigned is directly proportional to the resistance 7. as shown, irrespective of the influence of the internal resistance of voltmeter and ammeter on the circuit. When the switch is connected to 3, the current of the ammeter is (A). A, 0.2A, B, 10A, C, approximately equal to 0.2A, D, 0A 8. the number of magnetic lines that pass vertically through a certain section of a magnetic field is called (C). A, magnetic induction intensity B, magnetic permeability C, magnetic flux or magnetic flux D, magnetic field strength 9. the primary side winding of the transformer is connected with an A