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1、2015 年广西电焊工高级机械焊接考试试题一、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、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2、板材对接要求全焊透，采用I 形坡口埋弧焊双面焊，要求后焊的正面焊道的熔深(焊道厚度)到达板厚的 _。A30%40%B40%50%C50%60%D60%70%3、_不是主要的经常采用的焊前预热的加热方法。A火焰加热法B工频感应加热法C远红外线加热法D紫外线加热法4、_是影响单道焊缝宽度的主要因素。A坡口宽度B电弧电压C焊接速度D焊接电流5、在结构刚性和扩散氢含量相同的情况下，确定冷裂纹敏感性应当主要是_。A钢的
2、碳当量B钢的含碳量C钢的组织D焊接方法6、_决定金属结晶区间的大小。A冷却速度B加热时间C化学成分D冷却方式7、埋弧焊机的调试不包括 _。A漏气漏水测试B性能测试C焊接试验D技术参数测试8、_不是影响是否需要预热及预热温度的因素。A环境温度B坡口形式C结构刚度D焊接方法9、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10、埋弧焊，焊丝伸出长度加大时，使焊缝_。A熔深增大B宽度增加C余高增大D焊缝成形得到改善11、珠光体是铁素体和渗碳体的机械混合物，碳的质量分数为_左右。A0.25%B0.6%C0.8%D2.11%12、自由电弧一般
3、经过三种“压缩效应”成为等离子弧，但_不是这三种压缩效应中的一种。A水压缩效应B机械压缩效应C热收缩效应D磁收缩效应13、水压试验时，当压力到达试验压力后，要保持恒压一定时间，根据_，一般为 530min，观察是否有落压现象。A压力容器材料B内部介质性质C现场环境温度D不同技术要求14、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15、横向筋板应防止使用短筋板，因为其端部容易产生_。A气孔B变形C夹渣D裂纹16、与焊条电弧焊相比，_不是埋弧焊的缺点。A不适合焊接薄板B对气孔敏感性较大C辅助准备工作量大文档编码:CO1O9F7N6L8 HI6S6R5S5C6
4、 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1
5、O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6
6、 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1
7、O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6
8、 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1
9、O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6
10、 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2D焊工劳动强度大17、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%18、回火就是把经过 _的钢加热至低于 A1 的某一温度，经过充分保温后，以一定速度冷却的热处理工艺。A淬火B正火C退火D调质19、压力容器同一部位的返修次数_。A可以超过 2 次B必须超过 2 次C不宜超过 2 次D不允许超过 2 次20、_是专门用于对
11、非磁性材料焊缝外表和近外表缺陷进行探伤的方法。A煤油试验B荧光法C气密性试验D磁粉检验21、_包括荧光探伤和着色探伤两种方法。A超声波探伤Bx 射线探伤C磁力探伤D渗透探伤22、_不是焊接梁和柱时，所采取的减小和预防焊接变形的措施。A反变形法B合理的装配焊接顺序C减小焊缝尺寸D严格清理焊件和焊丝外表23、_不是 CO2 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24、直流电流表假设表的量程不够用时，则应配用_以扩大电流表的量程。A整流器B互感器C分流器D电抗器25、奥氏体不锈钢焊缝金属中的磷会引起_。A未熔合文档编码:CO1O9F7N6L8 HI6S6R5S5
12、C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:C
13、O1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5
14、C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:C
15、O1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5
16、C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:C
17、O1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5
18、C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2B冷温脆性C冷裂纹D热裂纹二、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、钛及钛合金焊接时，能保证焊接质量的方法是_。A气焊B钨极氩弧焊C焊条电弧焊D埋弧焊2、_不是奥氏体不锈钢焊条电弧焊工艺操作必须遵循的原则。A选用碱性焊条，采用直流反接B采用多层多道焊C采用焊条不摆动的窄道焊D控制焊道间温度，冷
19、却到60左右(手能摸了)再焊下一道3、钨极氩弧焊，目前建议采用的钨极材料是_。A纯钨B铈钨C钍钨D锆钨4、黄铜焊接时，由于锌的蒸发，不会_。A改变焊缝的化学成分B使焊接操作发生困难C提高焊接接头的力学性能D影响焊工的身体健康5、为扩大交流电压表量程，应配用_。A电流分流器B电压分流器C电流互感器D电压互感器6、低合金结构钢焊接时的主要问题是_。A应力腐蚀和接头软化B冷裂纹和接头软化C应力腐蚀和粗晶区脆化D冷裂纹和粗晶区脆化7、_的主要作用是减少副刀刃与工件已加工面间的摩擦。A前角B后角C主偏角D副偏角8、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加热减应区法文档编码:
20、CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S
21、5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:
22、CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S
23、5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:
24、CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S
25、5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:
26、CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2C向焊缝渗入合金法D减少螺钉法9、焊接梁和柱时，_不是减小和预防焊接变形的措施。A烘干焊条B正确的焊接方向C刚性固定法D反变形法10、横向收缩变形在焊缝的厚度方向上分布不均匀是引起_的原因。A波浪变形B扭曲变形C角变形D错边变形11、等离子弧切割工作气体氮气的纯度应不低于_。A95%B99%C99.5%D99.9%12、用奥氏体不锈钢焊条作为填充材料，焊接珠光体钢和奥
27、氏体不锈钢时，由于_等原因，使靠近珠光体钢熔合线的焊缝金属形成过渡区。A熔化的母材和填充材料成分相差悬殊B碳从珠光体钢母材向奥氏体不锈钢焊缝扩散C珠光体钢和奥氏体不锈钢的热导率不同D电弧机械力的搅拌作用太强13、等离子弧切割时，工作气体应用最多的是_。A氩气B氦气C氮气D氢气14、钨极氩弧焊当焊接电流大于_A 时，就必须用水冷却钨极和焊枪。A50 B100 C150 D250 15、采用砂轮打磨铝及铝合金外表的氧化膜时，因为_，焊接时会产生缺陷。A不能彻底清除氧化膜B坡口外表过于光滑C坡口外表过于粗糙D沙粒留在金属外表16、低合金耐热钢焊条选择原则，不正确的选项是_。A等性能B接头组织的稳定性
28、C化学性能的均一性D接头抗裂性17、管件对接的定位焊缝长度一般为1015mm，厚度一般为 _mm。文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F
29、7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI
30、8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F
31、7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI
32、8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F
33、7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI
34、8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2A1 B23 C4 D5 18、珠光体耐热钢焊前局部预热必须保证预热宽度，焊缝两侧各大于所焊壁厚的4 倍，且至少不小于 _ mm。A50 B100 C150 D200 19、_是指电流通过人体内部，破坏心脏、肺部及神经系统的功能。A电伤B射线C电击D电磁场生理伤
35、害20、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21、串联电阻上的电压分配与各电阻的大小成正比，串联的总电阻值等于各个_。A电阻倒数之和B电阻之差C电阻倒数之差D电阻之和22、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B可不再做热处理C应做压力试验D应再做热处理23、铁素体不锈钢可采用 _进行焊接。A手弧焊B氩弧焊C等离子弧焊24、为了防止气孔，铝合金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25、_的
36、室温组织为珠光体+铁索体。A铸铁B不锈钢文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2
37、文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6
38、S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2
39、文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6
40、S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2
41、文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6
42、S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2C耐热钢D低碳钢文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8
43、S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7
44、N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8
45、S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7
46、N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8
47、S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2文档编码:CO1O9F7N6L8 HI6S6R5S5C6 ZI8S4V1S6G2