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1、2017 年上海焊工安全考试题本卷共分为 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、在线路有防止触电保护装置的条件下,安全电流一般可按_mA 考虑。A10 B20 C30 D40 2、煤油试验常用于不受压容器的对接焊缝的_。A破坏性检验B致密性检验C疲劳性检验D外观检验3、低碳钢的室温组织为珠光体加_。A铁素体B渗碳体C奥氏体D莱氏体4、穿透型等离子弧焊接,目前可一次焊透平焊位置厚度_mm 对接不开坡口的钛板。A12 B16 C20 D24 5、对接接头的应力集中出现在_。A
2、焊缝最高点B焊缝根部C熔合区D热影响区6、压力容器焊补处遇到 _的情况时,不能采用强度等级较低的焊条进行打底焊。A结构复杂B单面焊双面成形C刚性大D材料强度高7、液化石油气瓶工业上目前常采用的规格为30kg,气瓶最大工作压力为1.6MPa,瓶外表面涂 _漆。A白色B蓝色C绿色D银灰色8、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9、焊接时拉长焊接电弧,则电弧电压就会()。A增大B减小C不变
3、D不确定10、在焊接接头中形成延迟裂纹的氢是_。A扩散氢B残余氢C含氢值D含氢量11、_的铭牌不能直接铆固在容器壳体上,以免引起缺口效应。A电焊机B焊接构件C低温熔器D密闭容器12、电焊机技术标准规定,焊条电弧焊电源的额定负载持续率定为_。A70%B60%C50%D40%13、为了获得一定范围所需的焊接电流和电压,就必须要求弧焊电源具有()条可以均匀改变的外特性曲线。A1 B2 C3 D若干14、焊接梁为了便于装配和避免焊缝汇交于一点,应在横向肋板上切去一个角,角边高度为焊脚高度的 _倍。A12 B23 C24 D34 15、板材对接要求全焊透,采用I 形坡口双面埋弧焊工艺,在进行后焊的正面焊
4、道焊接时,若熔池背面为_色,表示熔深符合要求。A看不见颜色B暗红C淡黄D白亮16、焊接角焊缝应采用 _。A穿透型等离子弧焊文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK
5、1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W
6、5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编
7、码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U
8、8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10
9、 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10
10、G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I
11、1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3B熔透型等离子弧焊C微束型等离子弧焊D熔化型等离子弧焊17、低碳钢的室温组织为 _。A铁素体B奥氏体+铁素体C渗碳体+铁素体D珠光体+铁素体18、不能提高钢与镍及其合金焊接时抗气孔能力的元素是_。AMn BTi CAl DCu 19、压力容器制成后按规定一定要进行_。A水压试验B机械性能试验C腐蚀试验D焊接性能试验20、弧焊电源的接线柱等带电部分_,应有良好的安全保护。A为接线方便必须外露B可部分外露C接线紧密的可以外露D不得外露21、对于潮湿而触电
12、危险性又较大的环境,我国规定安全电压为_。A2.5V B12V C24V D36V 22、焊接过程中需要焊工调节的参数是_。A焊接电源B药皮类型C焊接电流D焊接位置23、_叫做阴离子。A带正电荷的质子B带正电荷的离子C带负电荷的分子D带负电荷的离子24、焊接设备检查的主要内容是,焊接设备的_和焊接设备技术条件。A基本参数B技术理论C网路电流D额定电压25、气焊、气割时引起爆炸事故的原因中不包括_。文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5
13、M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码
14、:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8
15、D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10
16、ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G
17、10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1
18、 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2
19、B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3A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,
20、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、法兰基本形状为扁平的盘状结构,由于外形简单,主视图常取_。A端面剖视图B半剖视图C局部剖视图D全剖视图2、_容器受力均匀,在相同壁厚条件下,承载能力最高。A圆筒形B锥形C球形D方形3、目前气焊主要应用在 _。A有色金属及铸铁的焊接与修复B难熔金属的焊接C大直径管道的安装与制造D自动化焊接E小直径管道的安装与制造F碳钢薄板的焊接4、当焊接电流较大时,钨极氩弧焊必须用水冷却_。A焊接电源B控制系统C引弧装D稳弧装置E焊枪F钨极5、在焊接过程中,产生的物理有害因素包括_。A焊接弧光B焊接烟尘C有害气体D高频电磁波E热辐射F噪
21、声6、钛及钛合金具有 _的优异性能。A耐腐蚀性好B比强度大C韧性好D焊接性好E易于成型文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D
22、3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y
23、10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F
24、10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M
25、2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:
26、CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D
27、7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 Z
28、T10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3F与生物相容性好7、眼睛离电弧1m 以内,如无防护经十几秒甚至几秒的紫外线照射,就可能产生_。A白内障B花眼C近视D电光性眼炎8、碳弧气刨 _时,炭棒头易发红,镀铜层易脱落,正常电流下炭棒发红长度为25mm。A炭棒直径过大B刨削速度过大C压缩空气压力过大D电流过大9、_不是二氧化碳气体保护焊时选择电弧电压的根据。A焊丝直径B焊接电流C熔滴过渡形式D坡口形式10、使用了低合金结构钢,不仅大大地节约了钢材,减轻了重量,同时也大大提高了产品的质量和 _。A缩短寿命B安装周期C使用要求D使用寿
29、命11、防止奥氏体不锈钢晶间腐蚀的主要措施有_。A采用超低碳不锈钢B采用双相组织C添加稳定剂D进行固溶处理E进行均匀化处F消除应力退火12、钨极氩弧焊机的引弧装置是_。A电磁气阀B脉冲变压器C脉冲引弧器D交流接触器13、焊接接头的弯曲试验标准规定了金属材料焊接接头的_,用以检验接头拉伸面上的塑性及显示缺陷。A横向正弯试验B横向侧弯试验C横向背弯试验D纵向正弯试验E纵向背弯试验F管材的压扁试验文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I
30、1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP
31、2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L
32、3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT1
33、0D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H
34、1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK
35、1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W
36、5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L314、二氧化碳气体保护焊用的CO2 气体纯度,一般要求不低于_。A98%B98.5%C99%D99.5%15、在 CO2 焊接方法中,阴极温度大于阳极温度。A焊条电弧焊B埋弧焊CCO
37、2气体保护焊D熔化极氩弧焊E钨极氩弧焊16、气焊气割中会遇到各类不同的有害气体和烟尘,如焊接黄铜产生的 _蒸气引起的中毒。A铜B锌C锡D镍17、防止热裂纹的主要措施有_。A限制钢材和焊材中的硫、磷等元素B改善熔池金属的一次结晶C控制焊接工艺参数D采用碱性焊条和焊剂E填满弧坑F降低焊接应力18、焊接时对焊工呼吸系统影响的因素有_。A粉尘B氮氧化物C臭氧D弧光E噪声F高频电磁场19、紫铜焊接时容易产生的问题主要是_。A易变形B气孔C热裂纹D难熔合E冷裂纹F焊接接头的力学性能降低20、根据接头的构造形式不同,焊接接头可分为_。A对接接头BT 形接头C角接接头D搭接接头E端接接头文档编码:CP2B8W
38、5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编
39、码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U
40、8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10
41、 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10
42、G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I
43、1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP
44、2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L
45、321、金属材料的塑性指标有 _。A屈服点B抗拉强度C伸长率D断面收缩率E冲击韧度F冷弯角22、在焊缝符号中,焊缝尺寸符号是_尺寸的符号。A表示焊缝段数和间距B表示钝边高度C只表示焊缝各特征D表示坡口和焊缝各特征23、CO2 气体保护焊的供气系统由 _组成。A气瓶B预热器C干燥器D减压阀E流量计F电磁气阀24、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25、电阻焊的接触电阻大小与_有关。A焊接电流B焊接电C电极压力D材料性质E焊件表面状况F焊件温度文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8
46、W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档
47、编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3
48、U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y1
49、0 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F1
50、0G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2I1 HK1F10G10H1Y10 ZT10D3U8D7L3文档编码:CP2B8W5M2