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1、2016 年宁夏省焊工实操考试题本卷共分为 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、钢材在剪切过程中，切口附近产生的冷作硬化区钢材塑性愈好，冷作硬化区愈_。A窄B宽C不变D薄2、硬度试验的目的是测量焊缝和热影响区金属材料的硬度，并可间接判断材料的_。A冲击性B焊接性C疲劳性D屈服性3、碳弧气刨时，增大刨削速度，则_。A刨槽深度增大B刨槽深度减小C刨槽宽度增大D刨槽宽度减小4、电荷在电路中某点的电位，等于电场力把单位正电荷从该点移送到定为零电位的参考点所作的功，电位的单位是_
2、。A安培B欧姆C焦耳D伏特5、_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6、若用水清洗渗透剂时，水温不超过_。A20B25C30D437、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8、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9、超声波在同一均匀介质中按_传播。A直线B曲线C有时直线有时曲线D能量大时曲线10、采用碱性焊条，焊前应在坡口及两侧各（）mm 范围内，将锈、水、油污等清理干净。A1520 B2530
3、 C3540 D4560 11、在立焊位置气焊时，应采用比平焊时小（）左右的火焰能率来进行焊接。A10%B25%C15%D30%12、镍元素的元素符号是 _。ANb BNe CNa DNi 13、弧焊变压器和弧焊整流器的基本规格都是以数字来表示_。A最小允许电流B最小短路电流C额定电弧电压D额定焊接电流14、手弧焊时与电流在焊条上产生的电阻热大小无关的因素是_。A焊条长度B电流密度C焊条金属的电阻率D药皮类型15、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16、焊工应 _，但是不属于焊工职业守则。A重视安全生产B严于律己、吃
4、苦耐劳文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9
5、E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P
6、3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5
7、Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1
8、Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q
9、8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7
10、S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10C认真学习专业知识D参加社会公益劳动17、_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C角接接头DT 型接头18、在使用等离子弧切割设备时，应定期检查减速箱润滑情况，每年
11、一般更换 _次润滑油。A56 B45 C34 D12 19、氩气和氧气的混合气体焊接不锈钢时，氧气的含量一般为_。A0.1%0.5%B1%2%C6%8%D10%15%20、扩散焊是属于 _。A熔焊方法B压焊方法C熔焊一钎焊方法D液相过渡焊21、_不是影响焊接接头性能的因素。A焊后热处理B焊接方法C焊接参数D焊接位置22、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 23、利用气体导电时产生的电弧热作为热源的熔焊方法叫做_。A电渣焊B电弧焊C电子束焊D激光焊24、珠光体耐热钢焊条是根据母材的_来选择的。A力学性能B高温强度C高温抗氧化性
12、能文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5
13、G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O
14、3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9
15、Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9
16、E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P
17、3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5
18、Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10D化学成分25、焊接低碳钢时，应根据钢材强度等级来选用相应强度等级的_。A铸铁钢焊条B不锈钢焊条C耐热钢焊条D结构钢焊条二、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
19、个选项得0.5 分）1、职业行为规范首先要从 _这一职业道德开始。A诚实守信、办事公道B工作认真负责C认真学习专业知识D爱岗敬业、忠于职守2、碱性焊条烘干时需去掉药皮中的矿物质中的结晶水，烘干温度一般规定为 _。A100200保温 23h B200300保温 23h C300350保温 12h D350400保温 24h 3、在保护接地时，用于接地导线的电阻值一般要小于_欧姆。A40 B50 C60 D80 4、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5、消除应
20、力退火在保温一段时间后，随炉冷却或冷却到_后出炉，在空气中冷却。A100200 B200300 C300400 D400500 6、碳弧气刨应使用 _的专用碳弧气刨的炭棒。A普通的B普通的加粗C不带铜皮D带铜皮7、焊工的职业守则应包含 _等内容。文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G
21、2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3
22、N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y
23、10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E
24、5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3
25、O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q
26、9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10A遵守国家法律、法
27、规B爱岗敬业，忠于职守C工作认真负责D谦虚谨慎，团结合作E坚持文明生产8、奥氏体不锈钢的焊接电流A，一般取焊条直径(mm)的_倍。(A)1520 B2530 C3540 D4550 9、几乎可采用所有的焊接方法来焊接的材料是_。A铝B铜C铸铁D低碳钢10、焊条电弧焊的电源要求具有_。A平的外特性B上升的外特性C陡降的外特性D任意的外特性11、产生咬边的原因有 _。A电流过小B电流过大C运条速度不当D装配间隙不合适E焊条角度不当F电弧过短12、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%13、金属材料常用的力学性能指标有_。A密度B塑性C强度D硬度E热膨胀性
28、F冲击韧度14、焊接结构返修次数增加，会使_。A焊接应力减小B金属晶粒粗大C金属硬化D引起裂纹等缺陷文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码
29、:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3
30、HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 Z
31、X6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档
32、编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V
33、3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1
34、 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10E提高焊接接头强度F降低接头的性能15、焊机外壳的接地线固定螺栓直径不得小于_。AM6 BM8 CM5 DM4 16、灰铸铁由于具有 _，因此应用最广泛。A塑性好B
35、成本低C铸造性能好D容易切削加工E吸振F耐磨17、焊接过程中收弧不当会产生气孔及（）。A夹渣B弧坑C咬边D焊瘤18、焊芯的作用是在焊接时传导电流产生电弧并熔化成为焊缝_。A夹杂物B熔渣C填充钎料D填充金属19、焊接过程中会产生的各种有害因素很多，下列不属于物理有害因素的是_ A放射线B焊接弧光C热辐射D有害气体20、碳弧气刨时，产生夹碳的原因是（）。A电流大B碳棒送进过猛C短弧D刨速太慢21、在熔焊过程中，可能产生的对人体有害气体主要有_。A臭氧B一氧化碳C二氧化碳D氮氧化物E氟化氢22、在焊接过程中，热裂纹可看成是_联合作用形成的。A氢B淬硬组织C拉应力文档编码:CD1Q9E5G2V3 HA
36、6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6
37、C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码
38、:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3
39、HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 Z
40、X6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档
41、编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V
42、3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10D低熔点共晶E白口铁组织F氮23、金属材料抵抗表面变形的能力称为_。A塑性B强度C硬度D韧性24、焊缝中，与氢无关的缺陷是（）。A气孔B白点C冷裂纹D时效硬化25、为了减少十字形钢柱的焊接变形，在焊接第一道焊缝时，必须进行分段焊接，焊缝长短视柱的 _而定。A宽度B厚度C角度D长度文档编码:CD1Q9E
43、5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3
44、O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q
45、9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q
46、9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8
47、P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S
48、5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10文档编码:CD1Q9E5G2V3 HA6Q8P3O3N1 ZX6C7S5Q9Y10