2017年上半年天津电焊工压力管道焊接考试试卷.pdf

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1、2017 年上半年天津电焊工压力管道焊接考试试卷一、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、合金钢按 _总量进行分类是合金钢分类方法之一。A合金元素B碳元素C碳、铬元素D碳、锰元素2、二次结晶的组织和性能与_有关。A冷却速度B冷却方式C冷却介质3、F 是_的元素符号。A氢B氧C氮D氟4、焊接前，焊工应对所使用的角向磨光机进行安全检查，但_不必检查。A角向磨光机内部绝缘电阻值B砂轮转动是否正常C有没有漏电现象D砂轮片是否已经紧固牢固5、焊前预热铝的厚大件时，应该_。A快速加热到 100300左右B快速加热到 100150左右C慢慢加热到 100300左右D慢慢

2、加热到 100150左右6、_过渡时，电弧稳定，飞溅小，成形良好，广泛用于薄板焊件的焊接和全位置焊接。A粗滴B短路C喷射7、铝及铝合金外表的氧化膜采用化学清洗时，其特点不包括_。A效率高B适用于成批生产的工件C质量稳定D工序多8、_不是球墨铸铁所具有的性能。A塑性极差B耐磨、减振C强度较高D韧性较高9、WSJ300型焊机是 _焊机。A交流钨极氩弧B直流钨极氩弧C交直流钨极氩弧D熔化极氩弧10、_不是铸铁焊接时防止氢气孔的主要措施。A严格清理焊丝外表的油、水、锈、污垢B采用石墨型药皮焊条C严格清理铸件坡口外表D烘干焊条11、锅炉和压力容器的载荷除承受静载荷外，还要承受_。A振动载荷B交变载荷C冲

3、击载荷D低周疲劳载荷12、_不是焊接缺陷返修次数增加引起的不利影响。A引起裂纹等缺陷B接头力学性能降低C会使金属晶粒粗大D焊接应力减小13、钨极氩弧焊的喷嘴直径可根据钨极直径按经验公式选择：喷嘴直径(内径，mm)等于钨极直径的 _倍。A8 B6 C45 D2.53.5 14、CO2 气体保护焊有一些不足之处，但_不是 CO2 气体保护焊的缺点。A飞溅较大，焊缝外表成形较差B设备比较复杂，维修工作量大C焊缝抗裂性能较差D氧化性强，不能焊易氧化的有色金属15、_不是焊接熔池一次结晶的特点。A熔池体积小，冷却速度快B熔池液态金属温度高C熔池是在运动状态下结晶D熔池各处同时开始结晶16、焊钳的 _是应

4、该检查的。A导磁性B热膨胀性C夹持焊条的牢固性D塑性17、I 形坡口对接立焊时，一般采用_法施焊。A退焊文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档

5、编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B

6、1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R

7、3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3

8、文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N

9、6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W1

10、0R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3B跳焊C对称焊D从上向下焊18、_电渣焊可焊接大断面的长焊缝和变断面的焊缝。A丝极B板极C熔嘴D管状熔嘴19、不易淬火钢的 _区为热影响区中的薄弱区域。A正火B

11、过热C部分相变D再结晶20、焊缝和热影响区性能最坏的焊接方法是_。A气焊B焊条电弧焊C埋弧自动焊D手工钨极氩弧焊21、焊接铸铁时，焊缝中产生的气孔类型主要为气孔。 A氮和氢B氮和 CO C反应和 CO2 DCO 和氢22、在焊剂牌号中，汉语拼音字母为_表示熔炼焊剂。A“E”B“F”C“SJ”D“HJ”23、含碳量为 4.3%的液态合金，在1148同时结晶出奥氏体和渗碳体组成的混合物，称为 _。A珠光体B铁索体C莱氏体D二次渗碳体24、焊工受到的熔化金属溅出烫伤等，属于_伤害。A弧光B磁场C电击D电伤25、火焰矫正法适用于 _构件矫正焊接变形。A奥氏体不锈钢B珠光体耐热钢C16Mn 钢

12、D中碳钢文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O

13、8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8

14、Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8

15、T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH

16、7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6

17、T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5

18、T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3二、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，此题不得分；少选，所选的每个选项得0.5 分1、解剖斜 Y 形坡口对接裂纹试件时，不得采用气割方法切取试样，要用机械切割，要防止因切割振动 _。

19、A引起试件的变形B引起试件的断裂C引起裂纹的愈合D引起裂纹的扩展2、等离子弧焊接铝、镁合金时，应采用_作为电极。A钝钨B钍钨C水冷铜D锆钨3、低温压力容器用钢16MnDR 的最低使用温度为 _。A-20 B-40 C-50 D-60 4、焊接接头硬度试验的测定内容不包括_硬度。A魏氏B维氏C布氏D洛氏5、气焊高碳钢，应采用 _火焰进行焊接。A碳化焰B中性焰C轻微碳化焰D氧化焰6、_接头是压力容器中受力最大的接头。AA 类BB 类CC 类DD 类7、_是焊接过程中污染环境的化学有害因素。A热辐射B噪声C焊接弧光D焊接烟尘8、产品使用了低合金结构钢并不能大大地_。A减轻重量B提高产品质量C提高使用

20、寿命D提高抗晶间腐蚀的能力文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3

21、文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N

22、6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W1

23、0R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3

24、V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O

25、5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1

26、W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V39、在射线探伤胶片上呈一条断续的或连续的黑直线(其宽窄取决于对接焊缝坡口根部间隙的大小)的缺陷是 _。A裂纹B未熔合C未焊透D夹渣10、回火就是把经过淬火的钢加热至低于A1 的某一温度，经过充分保温后，再_的一种热处理工艺。A快速冷却B油

27、冷C以一定速度冷却D水冷11、_的来源是由金属及非金属物质在过热条件下产生的高温蒸气经氧化、冷凝而形成的。A金属飞溅B电弧辐射C焊接烟尘D有毒气体12、埋弧焊的坡口形式与焊条电弧焊基本相同，但由于埋弧焊的特点 应采用 _。A较大的间隙B较大的钝边C较小的钝边D较大的坡口角度13、焊件外表堆焊时产生的应力是_。A单向应力B平面应力C体积应力14、焊前预热一般要求在坡口两侧各_mm 范围内保持均热。A75100 B100150 C150200 D200300 15、补焊铸件前，不应清除干净缺陷部位及附近的_。A石墨B油脂C脏物D型砂16、专用优质碳素结构钢中，表示锅炉用钢的牌号用符号_表示。Aq

28、Bg CR DH 17、加热温度 _是奥氏体不锈钢晶间腐蚀的危险温度区或叫敏化温度区。A150450 文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编

29、码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1

30、 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3

31、 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文

32、档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6

33、B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10

34、R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3B450850 C850950 D9501050 18、水平固定管道组对时应特别注意间隙尺寸，应该是_。A上大下小B上小下大C左大右小D左小右大19、易燃物品距离

35、钨极氩弧焊场所不得小于_m。A5 B13 C15 D20 20、以下 _不是灰铸铁具有的优点。A成本低B吸振、耐磨、切削性能好C铸造性能好D高的强度、塑性和韧性21、焊接铸铁时，焊缝中产生的气孔类型主要为_气孔。A氮和氢B氮和 CO C反应和 CO2 DCO 和氢22、动铁漏磁式弧焊机的活动铁心的作用是_。A防止形成磁分路，便于调节焊接电流B形成磁分路，减少漏磁C形成磁分路，造成更大的漏磁D减少漏磁，以获得下降外特性23、碳弧气刨时的碳棒倾角一般为_。A1025B2560C4560D254524、_不是钨极氩弧焊枪的试验内容。A焊枪漏水B电流稳定性C焊枪发热D焊枪漏气25、为了防止气孔，铝合金

36、焊接时采取的主要措施有_等。A采用小的焊接电流B严格清理焊件和焊丝外表C合理选用焊丝D选用热量集中的焊接方法文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3

37、文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N

38、6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W1

39、0R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3

40、V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O

41、5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3文档编码:CH7O8O5N6B1 HB6T8Z1W10R3 ZH5T8T3Z3V3