2022年下半年上海焊工等级考试试卷.pdf

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1、2016 年下半年上海焊工等级考试试卷本卷共分为 1 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25 题，每题 2 分，每题的备选项中，只有1 个事最符合题意）1、乙炔气瓶一般应在 _以下使用，当环境温度超过此温度时，应采取有效的降温措施。A50B45C35D402、钢与铜及其合金焊接时，焊缝中产生的裂纹属于_ A热裂纹B冷裂纹C消除应力裂纹D层状撕裂3、焊割炬所用氧气胶管应能承受的压力是_。A0.5MPa B1MPa C1.5MPa D2MPa 4、氧乙炔焰的温度沿长度和横方向上都有变化，沿火焰_越向边缘温度越低。A轴线的温度较高B轴线的温度较

2、低C轴线的温度无变化D轴线的温度相同5、在 R1、R2 的串联电路中，已知两电阻两端的电压分别为U1、U2，则电路两端的总电压应为（）。AU=U1+U2 BU=U1=U2 CU=1/U1+1/U2 DU=1/U1=l/U2 6、基本除去焊条药皮吸附水的烘干温度正确的是_。A50B70C80D1007、低碳钢埋弧焊可选用无锰高硅焊剂配合_焊丝。AH08A BH10Mn2 CH08Mn2SiA DH13CrMoA 8、对于承受动载荷的接头不宜采用（）。A对接接头BT 形接头C搭接接头D角接接头9、为了防止触电，焊接时应该_。A焊机机壳接地B焊件接地C焊机机壳和焊件同时接地D焊机机壳和焊件都不必接地

3、10、斜 Y 形坡口焊接裂纹试验方法所产生的裂纹，多出现于_。A焊缝处的热影响区B焊根尖角处的热影响区C焊根尖角处的熔合区D焊缝处的熔合区11、埋弧焊采用船形位置焊接的主要特点，是得到_焊缝。A凹形B凸形C形DX 形12、气焊、气割时引起爆炸事故的原因中不包括_。A气瓶受到剧烈振动B可燃气体与空气或氧气混合比例不当C氧与油脂类物质接触D气体通道过长13、火焰矫正焊接变形时，最高加热温度不宜超过_。A1300 B1100 C900 D800 14、我国射线探伤标准规定，焊缝质量分为四个等级，3 级焊缝内不允许有 _。A气孔B夹渣C夹钨D加垫板单面焊的未焊透15、CO2 气瓶瓶体表面漆成 _色，并

4、漆有“液态二氧化碳”黑色字样。A银灰B棕C白D铝白16、对密闭容器进行气密性试验时应通入小于工作压力的_。A煤油B水C压缩空气D氨气文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6

5、Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6

6、ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J

7、10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4

8、文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:C

9、W8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8

10、T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H417、焊接变位机工作台可带动工件绕工

11、作台的旋转轴作_的旋转。A倾斜 45B倾斜 90C倾斜 135D正反 36018、恰当地选择装配焊接次序是控制焊接结构的_的有效措施之一。A应力与变形B疲劳与硬度C弹性与塑性D强度与硬度19、碳弧气刨时防止产生“夹碳”的操作方法是_。A先引弧，再送气B先送气，再引弧C快速刨削D慢速刨削20、中性焰由于 _，没有过剩的氧和乙炔，内焰具有一定的还原性，适用于焊接一般低碳钢，低合金钢和有色金属。A氧和乙炔充分燃烧B氧和乙炔不完全燃烧C氧和乙炔充分混合D氧和乙炔不完全混合21、_属于埋弧焊机控制系统的测试内容。A引弧操作性能B焊丝的送进和校直C小车行走的平稳和均匀性D输出电流和电压的调节范围22、_不

12、属于等离子弧切割参数。A气体流量B切割速度C钨极端部到喷嘴的距离D电源极性23、焊接中厚板时，增加焊接层数，焊接线能量减小，有利于提高焊接接头的 _。A耐腐蚀性B导电性C强度和硬度D塑性和韧性24、光电跟踪气割机的设备虽然较复杂，由光电跟踪机构和自动气割机组成，但只要布好 _，就可以进行切割。A轨道B样板C程序D图样25、_是铁素体和渗碳体的机械混合物。A马氏体文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A

13、2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5

14、H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码

15、:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9

16、B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5

17、 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9

18、C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J

19、6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4B奥氏体C莱氏体D珠光体二、多项选择题（共25 题，每题 2 分，每题的备选项中，有2 个或 2 个以上符合题意，至少有 1 个错项。错选，本题不得分；少选，所选的每个选项得0.5 分）1、荧光探伤时，由于荧光液和显像粉的作用，缺陷处出现强烈的荧光，根据_不同，就可以确定缺陷的位置和大小。A发光停留的时间B光的颜色C光的波长D发光程度2、焊芯的作用是 _。A传导电流B稳定电弧C保护作用D填充金属E改善

20、工艺F保证焊透3、16Mn 钢属于 _钢。AQ275 BQ295 CQ345 DQ390 4、在_焊接方法中，阳极温度大于阴极温度。A焊条电弧焊B埋弧焊CCO2气体保护焊D熔化极氩弧焊E钨极氩弧焊5、下料的方法有冷切割和热切割，下面_是冷切割下料。A剪切B火焰切割C锯切D激光切割E电弧切割F高压水切割6、射吸式割炬的型号为G01-30 中，“30”是表示 _。A切割不锈钢的最小厚度为30mm B切割不锈钢的最大厚度为30mm C切割低碳钢的最小厚度为30mm D切割低碳钢的最大厚度为30mm 7、热喷涂粉末涂层材料的英文字母是_。AP 文档编码:CW8H9B8T4D5 HR9V9C6Z10J6

21、 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2

22、J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H

23、4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:

24、CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B

25、8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5

26、HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C

27、6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4BW CR DA 8、碳弧气刨下列金属材料中须采用直流反接的有_。A碳钢B低合金钢C铸铁D不锈钢E铜及铜合金9、有色金属焊接时适宜的焊接方法有_。A熔化极气体保护焊B钨极氩弧焊CCO2气体保护焊D电子束焊E气压焊F电渣焊10、

28、碳弧气刨时，当碳棒烧损（）后就应调整伸出长度。A1020mm B2030mm C3040mm D4050mm 11、定位焊时不应该在 _进行定位焊。A焊缝交叉处B板的始焊端C板的终焊端D管道的时钟 6 点处E管的上爬坡处F管的立焊部位12、通过焊接性试验，可以用来_。A选定适合母材的焊接材料B确定合适的焊接工艺参数C确定焊接接头的抗拉强度D确定合适的热处理工艺参数E研制新的焊接材料13、在机械制图中，通常物体的投影有_之分。A主视图B前视图C后视图D俯视图E左视图F右视图14、_不是珠光体耐热钢焊后热处理的目的。A改善接头组织，提高组织稳定性B防止延迟裂纹文档编码:CW8H9B8T4D5 HR

29、9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z

30、10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 Z

31、C9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J1

32、0D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文

33、档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW

34、8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T

35、4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4C防止热裂纹D提高接头综合力学性能15、碳钢中除含有铁、碳元素外，还有少量的_等杂质。A硅B锰C钼D铌E硫F磷16、因为手到脚电流通过心脏、肺部、中枢神经系统，所以_。A电伤的危险性最小B电伤的危险性最大C

36、电击的危险性最小D电击的危险性最大17、表示在不同温度的条件下，不同含碳量的铁碳合金所处的状态、晶体结构及显微组织特征的图称为 _。A金属结晶过程图B体心立方晶格图C面心立方晶格图D铁碳合金状态图18、下列材料中，气焊时须采用中性焰的有_。A低碳钢B锰钢C低合金钢D黄铜E紫铜F铸铁19、对于一些合金含量较多的低合金钢_进行气刨，同样可获得良好的结果。A不采取任何措施B不通过采取预热措施C可通过采取后热措施D可通过采取预热措施20、碳弧气刨时随着刨削速度的增大则_。A刨槽深度减小B刨槽深度增大C刨槽宽度增大D刨槽宽度减小E刨槽尺寸增大F出现“粘渣”21、位于焊缝外表面，用目测或_放大镜可以看到的

37、缺陷叫外部缺陷。A1015 倍B810 倍C58 倍D35 倍文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5

38、HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C

39、6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6

40、 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2

41、J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H

42、4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:

43、CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H422、焊条电弧焊是手工操作焊条进行焊接的_方法。A电渣焊B电阻焊C摩擦焊D电弧焊23、读装配图时，其目的不

44、是为了_。A了解零件的所有尺寸B了解各零件之间装配关系及拆装C了解各零件作用、传动路线D了解机器或部件的名称、工作原理24、开启瓶阀时应 _的冲击而损坏减压器。A迅速打开，以防止高压气体B迅速打开，以防止低压气体C慢慢打开，以防止低压气体D慢慢打开，以防止高压气体25、紫铜焊接时生成的气孔主要是_气孔。AH2 BN2 CCO DCO2 ENO F水蒸气文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D

45、5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编

46、码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H

47、9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D

48、5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V

49、9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10

50、J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9A2J10D5H4文档编码:CW8H9B8T4D5 HR9V9C6Z10J6 ZC9