欢迎来到淘文阁 - 分享文档赚钱的网站! | 帮助中心 好文档才是您的得力助手!
淘文阁 - 分享文档赚钱的网站
全部分类
  • 研究报告>
  • 管理文献>
  • 标准材料>
  • 技术资料>
  • 教育专区>
  • 应用文书>
  • 生活休闲>
  • 考试试题>
  • pptx模板>
  • 工商注册>
  • 期刊短文>
  • 图片设计>
  • ImageVerifierCode 换一换

    2022年下半年四川省电焊工二氧化碳气保焊接考试试题 .pdf

    • 资源ID:57966983       资源大小:34.73KB        全文页数:7页
    • 资源格式: PDF        下载积分:4.3金币
    快捷下载 游客一键下载
    会员登录下载
    微信登录下载
    三方登录下载: 微信开放平台登录   QQ登录  
    二维码
    微信扫一扫登录
    下载资源需要4.3金币
    邮箱/手机:
    温馨提示:
    快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
    如填写123,账号就是123,密码也是123。
    支付方式: 支付宝    微信支付   
    验证码:   换一换

     
    账号:
    密码:
    验证码:   换一换
      忘记密码?
        
    友情提示
    2、PDF文件下载后,可能会被浏览器默认打开,此种情况可以点击浏览器菜单,保存网页到桌面,就可以正常下载了。
    3、本站不支持迅雷下载,请使用电脑自带的IE浏览器,或者360浏览器、谷歌浏览器下载即可。
    4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰。
    5、试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。

    2022年下半年四川省电焊工二氧化碳气保焊接考试试题 .pdf

    20XX 年下半年四川省电焊工二氧化碳气保焊接考试试题一、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、钨极直径太小、焊接电流太大是产生_的原因之一。A冷裂纹B热裂纹C再热裂纹D夹钨2、珠光体耐热钢是以铬钼为基础的具有高温强度和抗氧化性的_。A优质碳素结构钢B高合金钢C中合金钢D低合金钢3、钨极氩弧焊电弧电压增大时,会使单道焊缝_。A宽度减小,焊缝厚度增加B宽度减小,余高增加C宽度增加,余高也增加D宽度增加,熔深减小4、水压试验 _的温度一般不得低于5。A试验用水B容器表面C性能试验D试验场地5、等离子弧焊,大多数情况下都是采用_作为电极。A纯钨B铈钨C锆钨D钍钨6、铸铁焊条药皮类型多为石墨型,可防止产生_。A氢气孔B氮气孔CCO 气孔D反应气孔7、根据铜及铜合金焊件形状、尺寸、焊接方法和采用的焊接参数而定,焊前常需要预热到 _。A800900B300700C200300D1001508、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9、淬火的目的是为了得到 _组织。A奥氏体B铁素体C马氏体或贝氏体D渗碳体10、CO2 气体保护焊时,焊接速度对_影响最大。A是否产生夹渣B焊缝区的力学性能C是否产生咬边D焊道形状11、在可能导电的焊接场所工作时,所用焊工防护手套应经耐电压_试验,合格后方能使用。A1000V B2000V C2500V D3000V 12、QT400-17 为_的牌号。A灰铸铁B不锈钢C黄铜D球墨铸铁13、点焊焊件之间的接触电阻的大小与_无关。A焊件厚度B焊件材料性质C焊件的表面状况D温度14、日本伊藤关系式不适用于_的钢。A含 Cr 量小于 1.5%B含 Cr 量大于 1.5%C含 C 量大于 1.5%D含 C 量小于 1.5%15、水压试验用的水温低碳钢和16MnR 钢不低于 5,_不低于 15。A奥氏体不锈钢B铝合金C铜合金D其他低合金钢16、评定材料抗冷裂性最好的间接评定方法是_。A冷裂纹敏感性指数B碳当量法C热影响区最高硬度法D搭接接头(CTS)焊接裂纹试验法文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O417、焊缝成形系数和熔合比数值的大小,主要取决于_。A电流的种类与极性B焊接参数C环境温度D焊接坡口形式18、电焊钳在使用前应进行检查,_是检查内容之一。A热膨胀性能B导磁性能C抗氧化性能D装换焊条是否方便19、由于铝的熔点低,高温强度低,而且_因此焊接时容易产生塌陷。A溶解氢的能力强B和氧的化学结合力很强C低熔共晶较多D熔化时没有显著的颜色变化20、碳弧气刨时,刨削速度增大,_。A刨削质量变差B刨槽深度减小C刨槽宽度增大D刨槽尺寸增大21、荧光探伤是用来发现各种焊接接头的表面缺陷,常作为_的检查。A大型压力容器B小型焊接结构C磁性材料工件D非磁性材料工件22、在机械制图中,主视图是物体在投影面上的_。A仰视投影B水平投影C侧面投影D正面投影23、_不是钢电弧焊时氢的危害。A产生气孔B产生白点C引起氢脆D引起热裂纹24、领取生产任务单、图纸和焊接工艺卡片的时间属于_。A作业时间B辅助时间C布置工作时间D准备、结束时间25、焊条电弧焊立焊操作时,发现椭圆形熔池下部边缘由比较平直轮廓变成鼓肚变圆时,表示熔池温度已稍高或过高,应立即灭弧,降低熔池温度,以避免产生_。A裂纹文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4B烧穿C咬边D焊瘤二、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、焊接作业局部通风不具备_优点。A通风效果较好B不受焊工工作地点布置的限制C烟气不会影响周围环境D烟气不经过作业者呼吸带2、变压器一次电源额定电压U1 与二次额定空载电压U20 之比等于 _。A一次绕组匝数与二次绕组匝数之和B一次绕组匝数与二次绕阻匝数之差C二次绕组匝数与一次绕组匝数之比D一次绕组匝数与二次绕组匝数之比3、_可以测定焊缝金属或焊件热影响区脆性转变温度。A拉伸试验B冷弯试验C硬度试验D冲击试验4、钢材在拉伸时,材料在拉断前所承受的最大应力称为_。A屈服点B冲击韧度C伸长率D抗拉强度5、硫会使焊缝形成 _,所以必须脱硫。A冷裂纹B热裂纹C气孔D夹渣6、_不是一种焊接变形。A弯曲变形B收缩变形C扭曲变形D热变形7、_是扩大或撑紧装配件的一种工具。A夹紧工具B压紧工具C拉紧工具D撑具8、要求焊后热处理的压力容器,应在热处理前焊接返修。如果在热处理后进行焊接返修,返修后 _。A应做硬度检查文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4B可不再做热处理C应做压力试验D应再做热处理9、CO2 气体保护焊,采用 _的外特性电源,电弧的自身调节作用最好。A上升B缓降C平硬D陡降10、珠光体钢和奥氏体不锈钢采用E309-15焊条对接焊,操作时应该特别注意 _。A减小热影响区的宽度B减小焊缝的余高C减小焊缝成形系数D减小珠光体钢熔化量11、等离子弧切割以 _气体切割效果最佳。AN2+H2 BAr+H2 CAr+N2 DCO2+N2 12、为了便于装配和 _,应在梁的横向肋板上切去一个角,角边高度为焊脚高度的 23 倍。A避免焊缝汇交于一点B提高梁的稳定性C提高梁的强度D避免焊接产生过热13、_不是产生夹渣的原因。A焊层、焊道之间清渣不干净B焊接电流太小C焊接速度太快D未按规定参数烘干焊条、焊剂14、将钢加热到 A3 或 Acm 以上 5070保温后在静止的空气中冷却的热处理方法称为 _。A正火B淬火C回火D退火15、点焊焊点间距是为 _所规定的数值。A满足焊点数量要求B满足结构强度要求C满足结构刚度要求D避免点焊产生的分流而影响焊点质量16、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,要避免因切割振动_。A引起试件的变形B引起试件的断裂文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4C引起裂纹的愈合D引起裂纹的扩展17、焊条电弧焊热焊法焊接灰铸铁时,可得到_焊缝。_。A铸铁组织B钢组织C白口铸铁组织D有色金属组织18、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19、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 20、铸铁开深坡口补焊时,为了防止焊缝与母材剥离,常采用_。A刚性固定法B加热减应区法C向焊缝渗入合金法D减少螺钉法21、_用于交流焊接时,具有极理想的稳定性、较好的载流量和引弧特性等综合性能。A纯钨极B钍钨极C铈钨极D锆钨极22、切割中厚板金属材料用的等离子弧形式采用_。A非转移型弧B转移型弧C直接型弧D间接型弧23、_不锈钢不会产生淬硬倾向。A奥氏体B铁素体C马氏体24、BX2-1000 型埋弧焊电源是一种 _。A弧焊发电机B弧焊变压器C弧焊整流器D弧焊逆变器25、_不是影响是否需要预热及预热温度的因素。A焊接位置文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4B钢材化学成分C焊件厚度D焊接方法文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4文档编码:CY4U1Q4E5D9 HR8B8C8M4G10 ZB7K3I9A4O4

    注意事项

    本文(2022年下半年四川省电焊工二氧化碳气保焊接考试试题 .pdf)为本站会员(H****o)主动上传,淘文阁 - 分享文档赚钱的网站仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知淘文阁 - 分享文档赚钱的网站(点击联系客服),我们立即给予删除!

    温馨提示:如果因为网速或其他原因下载失败请重新下载,重复下载不扣分。




    关于淘文阁 - 版权申诉 - 用户使用规则 - 积分规则 - 联系我们

    本站为文档C TO C交易模式,本站只提供存储空间、用户上传的文档直接被用户下载,本站只是中间服务平台,本站所有文档下载所得的收益归上传人(含作者)所有。本站仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。若文档所含内容侵犯了您的版权或隐私,请立即通知淘文阁网,我们立即给予删除!客服QQ:136780468 微信:18945177775 电话:18904686070

    工信部备案号:黑ICP备15003705号 © 2020-2023 www.taowenge.com 淘文阁 

    收起
    展开