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1、2017 年宁夏省中级焊工技能考试题本卷共分为 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、碳化焰由于乙炔过剩，火焰中有游离状态的碳及过多的氢，焊接时会增加焊缝含氢量，焊接低碳钢 _现象。A会有渗氧B不会有渗碳C会有渗一氧化碳D会有渗碳2、手弧焊在焊接结构生产中，_但它机动灵活，使用时适应性最强。A生产效率高B生产效率低C生产效率一般D生产效率很高3、碳弧气刨时，产生粘渣的原因是_。A刨削速度与电流配合不当B压缩空气的压力太大C刨削速度太快D碳棒送进过猛4、按照 GB/T620
2、8-1995 规定，软钎料的英文字母用_表示。AS BB CF DG 5、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6、若用水清洗渗透剂时，水温不超过_。A20B25C30D437、钢与铜及其合金焊接时，焊缝中产生的裂纹属于_ A热裂纹B冷裂纹C消除应力裂纹D层状撕裂8、碳弧气刨时防止产生“夹碳”的操作方法是_。A先引弧，再送气B先送气，再引弧C快速刨削D慢速刨削9、一般气焊不锈钢的气焊熔剂的牌号为（）。ACJ401 BCJ301 CCJ201 DCJ101 10、_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11、焊条药
3、皮的主要作用之一是_。A稳定电弧B防止偏吹C减小变形D减小应力12、焊接切割过程中发生回火时，应采取的措施是_。A立即关闭焊割炬乙炔阀，然后再关闭氧气阀B立即先关闭焊割炬氧气阀，然后再关闭乙炔阀C立即将焊割炬放入水中D立即关闭氧气瓶阀13、压扁试验的目的是为了测定_对接接头的塑性。A水平管板对接B板一板对接C管子对接D垂直管板对接14、铰接柱脚，其支承柱和柱子连接处设置肋板的目的是_。A增加对称性B保护应力均衡性C提高刚性D保护维修可换性15、低碳钢碳弧气刨的刨槽表面产生硬化层的原因是_。A铜斑B合金元素被烧损C淬硬倾向大D金属被加热到高温后急冷16、_不是超声波探伤的优点。A灵敏度较高B探伤
4、周期短C成本低D判断缺陷性质准确17、碳弧气刨时，减小刨削速度，则_。文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX
5、2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:C
6、X2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:
7、CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码
8、:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编
9、码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档
10、编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8A
11、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18、耐酸钢抗晶间腐蚀倾向试验不正确的方法是_。AC 法BT 法CL 法DD 法19、容易获得良好焊缝成型的焊接位置是_。A平焊位置B立焊位置C横焊位置D仰焊位置20、低碳钢的过热区组织为粗大的_。A铁素体B珠光体C奥氏体D魏氏组织21、采用交流弧焊变压器焊接时，调整焊接电流接法必须在_的情况下进行。A切断电源B空载C负载D不切断电源22、气焊低碳钢和低合金钢时，要求使用_。A氧化焰B碳化焰C中性焰D轻微氧化焰23、在图样上，实芯焊丝CO2 气体保护焊用 _表示。A111 B135 C121 D136 24、低合金结构钢及低碳钢的埋弧焊时，
12、可采用_高硅焊剂与低锰焊丝相结合。A低锰B中锰C高锰D无锰25、职业道德的意义中不包括_。A有利于推动社会主义物质文明和精神文明建设B有利于行业、企业建设和发展C有利于个人的提高和发展D有利于社会体制改革文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M
13、10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7
14、M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M
15、7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7
16、M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U
17、7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1
18、U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX
19、1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8二、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2、不锈钢焊条型号中，数字后的字母“R”表示 _。A碳含量较低B碳含量较高C硅含量较低D硫含量较低E磷含量较低F锰含量较高3、碳弧气刨可以应用于 _。A焊缝挑焊根B开坡口C返修时消除焊接缺陷D清理铸件表面的毛边、飞
20、刺、浇冒口及铸件中缺陷E在板材工件上开孔F刨削焊缝表面的余高等4、下列铝合金中 _属于非热处理强化铝合金。A铝镁合金B硬铝合金C铝硅合金D铝锰合金E锻铝合金F超硬铝合金5、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6、常用的单一热处理工艺方法有_。A淬火B回火C调质D退火E正火7、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 钢文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1
21、V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X
22、1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10
23、X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G1
24、0X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G
25、10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9
26、G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E
27、9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8D中碳钢8、阳极斑点是由电子对阳极表面撞击而形成的，是_。A集中发射电子的微小区域B集中发射电子的较大区域C集中接收电子的较大区域D集中接收电子的微小区域9、铸铁开深坡口焊补时，由于_因此常采用栽丝法。A缺陷体积大B焊接层数多C焊接应力大D容易引起气孔E容易引起夹渣F容易引
28、起焊缝与母材剥离10、焊接接头的 _是焊接接头拉伸试验所测定的。A硬度B抗拉强度C冲击韧度D耐腐蚀性11、在机械制图中，通常物体的投影有_之分。A主视图B前视图C后视图D俯视图E左视图F右视图12、对零部件进行坡口和边缘加工的主要目的是_。A保证焊缝熔透或焊缝有效厚度达到设计要求B去掉火焰切割所引起的材料组织变化区C使零件具有精确的尺寸D保证焊缝外观质量E清除铁锈F去油污13、中厚板对接接头的打底焊，最好采用直径不超过_的焊条。A2.5mm B3.2mm C4mm D5mm 14、在装配图中，需标注 _几种尺寸。A规格尺寸B外形尺寸C零件的全部尺寸D装配尺寸E安装尺寸F其他重要尺寸文档编码:C
29、X2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:
30、CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码
31、:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编
32、码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档
33、编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文
34、档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8
35、文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K815、在室外临时使用弧焊电源时，其动力线_。A可以沿地面铺设B可用地面金属构件代替C
36、可沿地面小范围拖拉D不得沿地面拖拉16、按照人体触及带电体的方式和电流通过人体的途径，触电可以分为_等类型。A低压单相触电B低压两相触电C跨步电压触电D过分接近高压电气设备的触电17、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_。A安培B欧姆C焦耳D伏特18、氧乙炔气割主要用于 _等材料的切割。A不锈钢B铸铁C铜D铝E低碳钢F低合金结构钢19、衡量液体对母材润湿能力的大小，可用液相与固相接触时的接触角大小来表示。当接触角为 _时，液体可以润湿固体。A0B20C100D120E150F18020、在社会劳动过程中，劳动_。A仅仅是为了个人谋
37、生B仅仅是为了社会服务C只是为了个人谋生，而不是为社会服务D既是为个人谋生，也是为社会服务21、不允许使用交流焊接电源的焊条是_。AE4303 BE5016 CE4315 DE4301 22、钢和铸铁都是 _，碳的质量分数等于2.11%6.67%的_称为铸铁。A铬钼合金；铬钼合金文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5
38、ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5
39、 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V
40、5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10
41、V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M1
42、0V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M
43、10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7
44、M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8B铬钼合金；铁碳合金C铁碳合金；铬钼合金D铁碳合金；铁碳合金23、焊缝的成形系数是指 _。A熔宽比熔深B熔深比熔宽C熔宽比余高D余高比熔宽24、H01-12 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25、在电子束焊的分类中，下列的加速电压_kV，是中、高压电子束焊接的加速电压。A120 B100 C75 D60 E
45、25 F20 文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S
46、2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4
47、S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA
48、4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 Z
49、A4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5
50、ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5 ZA4S2U9V10K8文档编码:CX2E9G10X1V1 HX1U7M7M10V5