江西省电机装配工:变电检修工考试题 本卷共分为2大题50小题,作答时间为180分钟,总分100分,60分及格。 一、单项选择题(共2 5 题,每题2 分,每题的备选项中,只有 1 个事最符合题意) 1、链式绕组的主要特点是每极每相槽数q=2,节距y 必须是单数,__绕组嵌好后其线圈好像链条环环相扣。 A.单层 B.双层 C.单相 D.三相 2、热电偶是工业上目前应用最广泛的测温器件之一,其测温范围一般为__℃ A.270~400 B.1500~2500 C.-270~2800 D.2700~4000 3、轴测图上零件凡是不平行于坐标轴的直线,可以用坐标确定其__的方法画出。 A.长度 B.角度 C.三端点 D.两端点 4、The destruction of our natural resources and contamination of our food supply continue to occur, largely because of the extreme difficulty in affixing ( 把…… 固定) legal responsibility on those who continue to treat our environment with reckless abandon (放任). Attempts to prevent pollution by legislation, economic incentives and friendly persuasion have been met by lawsuits, personal and industrial denial and long delays---not only in accepting responsibility, but more importantly, in doing something about it.It seems that only when government decides it can afford tax incentives or production sacrifices is there any initiative for change. Where is industry’ s and our recognition that protecting mankind’ s great treasure is the single most important responsibility If ever there will be time for environmental health professionals to come to the frontlines and provide leadership to solve environmental problems, that time is now.We are being asked, and, in fact, the public is demanding that we take positive action. It is our responsibility as professionals in environmental health to make the difference. Yes, the ecologists, the environmental activists and the conservationists serve to communicate, stimulate thinking and pro...