2022年上半年湖南省焊工理论考试题.pdf

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1、2016 年上半年湖南省焊工理论考试题本卷共分为 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、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2、利用碳弧气刨对低碳钢开焊接坡口时应采用_。A直流反接B直流正接C交流电源D直流正接或反接3、职业道德的意义中不包括_。A有利于推动社会主义物质文明和精神文明建设B有利于行业、企业建设和发展C有利于个人的提高和发展D有利于社会体制改革4、铝及铝合金工件及焊丝表面清理后，在_，存放时间

2、一般不超过24h。A氩气中B碱、酸蒸气污染的环境中C潮湿的环境下D干燥的空气中5、局部视图是 _的基本视图。A完整B不完整C放大D缩小6、当焊条药皮中含有较多的_，将使电弧的稳定性降低。A氟化物B氯化物C碳化物D氮化物7、可选取实腹柱使用的钢材断面形状有_种。A2 B3 C4 D5 8、瓶阀冻结时可用 _热水解冻，严禁火烤。A100B80C40D209、当电弧长度增加时，电弧电压升高，其电弧静特性的_。A形状几乎不变B位置几乎不变C位置随之下降D位置随之上升10、受拉、压的搭接接头的 _计算，由于焊缝和受力方向相对位置的不同，可分成正面搭接受拉或压、侧面搭接受拉或压、联合搭接受拉或压三种焊缝。

3、A静载强度B动载强度C静载塑性D动载塑性11、扩大或撑紧装配件用的工具是_。A夹紧工具B压紧工具C拉紧工具D撑具12、刚性固定对接裂纹试验时，沿焊缝_更容易检查出细小的内在裂纹。A横断面方向截取横向试样，比沿焊中心线缝截取试样B横断面方向截取横向试样，比沿焊断裂面截取试样C中心线截取纵向试样，比沿焊缝断裂面方向截取试样D中心线截取纵向试样，比沿焊缝横断面方向截取试样13、铸铁和低碳钢焊接属异种材料焊接，当焊接层数多、坡口角度大或开口形坡口时，对降低熔合比 _的是根部焊缝。A不利B有利C没问题D有问题14、_不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15、下列检

4、验方法对人体有害的是_。A射线探伤B超声波探伤C磁粉探伤D煤油试验16、H0112 型气焊焊炬的正确说法是_。A此焊炬为换管式B可焊接的厚度为112mm C可焊接的最大厚度为12mm D此焊炬为等压式焊炬文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6

5、Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 H

6、U6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6

7、Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 H

8、U6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6

9、Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 H

10、U6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q717、_不是钢电弧焊时氢的来源。A锈中结晶水B焊件和焊丝表面的油污C焊条药皮和埋弧焊剂中的水分D母材和焊丝中的氢18、采用交流弧焊变压器焊接时，调整焊接电流

11、接法必须在_情况下进行。A切断电源时B空载时C负载时D不切断电源时19、选用氩弧焊焊接方法，焊接铝及铝合金的质量_。A中等B一般C高D低20、关于后热的作用，下列说法正确的是_。A有利于提高效率B防止产生夹渣C有利于提高硬度D防止产生延迟裂纹21、火焰矫正焊接变形时，最高加热温度不宜超过_。A1300 B1100 C900 D800 22、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23、磁粉探伤显示焊缝纵向缺陷时，应使磁力线与焊缝的方向_。A倾斜B对称C垂直D平行24、原子是由 _构成的。A分子B中子和质子C原子核和核外电子D同位素

12、25、_是焊接结构中使用最多的一种形式，接头上应力分布比较均匀，焊接质量容易保证，但对焊前准备和装配质量要求相对较高。A搭接接头B对接接头文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ

13、2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P

14、6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ

15、2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P

16、6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ

17、2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P

18、6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7C角接接头DT 型接头二、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、常用的单一热处理工艺方法有_。A淬

19、火B回火C调质D退火E正火2、随着工件厚度的增加，则气割时_。A切割氧压力加大B切割氧压力减小C切割速度减慢D切割速度加快E预热火焰能率增加F预热火焰能率减小3、读装配图时，其目的不是为了_。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4、焊接烟尘不同于一般机械性粉尘，它的特点有_。A电焊烟尘粒子小B电焊烟尘粒子大C电焊烟尘黏性小D电焊烟尘黏性大E电焊烟尘温度低F电焊烟尘温度高5、凡是已制定好的焊工工艺文件，焊工在生产中_。A可以灵活运用B必要时进行修改C必须严格执行D根据实际进行发挥6、原子序数在数值上与该原子的_相等。A核电荷

20、数B相对原子的原子质量C中子数D核外电子数7、焊重要焊件使用碱性焊条时，应选弧焊整流器电源，最好选用_电源。A硅整流式B晶体管式弧焊整流器C晶闸管整流式文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2

21、K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码

22、:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2

23、K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码

24、:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2

25、K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码

26、:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7D逆变式弧焊整流器8、克服磁偏吹的方法有 _。A改变接地线位置B调整焊条角度C减小焊条偏心D增加焊接电流E降低焊接电流F减少气流干扰9、简单物体的剖视方法有 _。A全剖视图和局部剖视图B全剖视图和半剖视图C半

27、剖视图和局部剖视图D全剖视图、半剖视图和局部剖视图10、在焊接结构图上，气焊的方法代号为_。A1 B2 C7 D3 11、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12、奥氏体不锈钢和珠光体钢焊接时，出现的问题主要是_。A焊缝金属的稀释B焊接接头耐腐蚀性降低C焊缝形成白铸铁组织D扩散层的形成E焊接接头高应力状态F过渡层的形成13、下料的方法有冷切割和热切割，下面_是热切割下料。A剪切B火焰切割C锯切D激光切割E电弧切割F等离子弧切割14、CO2 激光器工作气体的主要成分是_。ACO2 BN，CCO

28、 DN EHe FCl 文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6

29、R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1

30、 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6

31、R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1

32、 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6

33、R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1

34、 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q715、产生焊瘤的原因有 _。A电流过大B电流过小C焊速太快D焊速太慢E装配不当F熄弧过快16、焊口检测尺通常用来测量_。A焊前坡口尺寸B坡口间隙C错边D夹渣长度E裂纹长度F焊缝余高、宽度17、一般钢材是按屈服点来确定等级，而碳钢焊条是按熔敷金属 _来定强度等级的，因此两者不能混淆。A疲劳强度最低值B冲击韧度最低值C抗拉强度的最高值D抗

35、拉强度的最低值18、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19、黄铜气焊时的火焰应选用_。A中性焰B碳化焰C乙炔稍多的中性焰D氧化焰20、为了防止产生未熔合，焊前常需要预热到300700的材料是 _。A铜及铜合金B灰铸铁CQ235和不锈钢D低碳钢21、_等操作应在切断电源开关后才能进行。A改变焊机接头B改变二次线路C调试焊接电流D移动工作地点E更换焊条F检修焊机故障22、铝及铝合金焊前应清理氧化膜的原因是由于氧化膜_。文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2

36、HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z

37、6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2

38、HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z

39、6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2

40、HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z

41、6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2

42、HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7A使电弧不稳B熔点高，易造成夹渣C易形成未熔合D使焊缝生成气孔E容易引起冷裂纹F容易引起热裂纹23、堆焊用的碳化钨，可分为_碳化钨。A铸造B烧结C锻造D混合E化合F水溶24、定位焊时容易产生未焊透缺陷，故焊接电流应比正式焊接时_。A低 5%10%B高 5%10%C低 10%15%D高 10%15%25、对接焊缝的焊趾处，应力集中系数可达1.6，所以国家有关标准中规定焊缝余高应在 _之间，不得超出。A03mm B04mm C05mm D14mm 文档编码:CY6R8P6Y

43、3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P

44、5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y

45、3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P

46、5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y

47、3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P

48、5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7文档编码:CY6R8P6Y3O2 HU6A2W2K7A1 ZJ2P5G9Z6Q7