2016年天津电焊工压力管道焊接考试试卷.pdf

2016 年天津电焊工压力管道焊接考试试卷一、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、我国射线探伤标准规定，焊缝质量分为四个等级，3 级焊缝内不允许有 _。A气孔B夹渣C夹钨D加垫板单面焊的未焊透2、以下焊丝中，_是铸铁焊丝。AH08Mn2SiA BRZC-1 CHS311 DHSCu 3、_试验可考核管子对接的根部质量。A面弯B侧弯C背弯4、斜 Y 形坡口对接裂纹试验适用于碳素钢和低合金钢抗_的性能试验。A热裂纹B再热裂纹C弧坑裂纹D冷裂纹5、复合不锈钢板 _的焊接属于异种钢焊接，应按异种钢焊接原则选择焊接材料。A焊件的正面B焊件的反面C覆层和基层的交界处D接触工作介质的覆层外表6、铸铁的手工电渣焊不能获得_的焊缝。A加工性能好B与母材性能一致C塑性非常好D与母材颜色一致7、_是使不锈钢产生晶间腐蚀的最有害元素。A铬B镍C铌D碳8、焊接铝合金时，_不是防止热裂纹的主要措施。A预热B采用小的焊接电流C合理选用焊丝D采用氩气保护9、_是专门用于对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10、碳是以片状石墨的形式分布于金属基体中的铸铁是_。A白口铸铁B球墨铸铁C可锻铸铁D灰铸铁11、在社会劳动过程中，劳动_。A仅仅是为了个人谋生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12、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13、最高工作压力 _的压力容器是容规适用条件之一。A小于等于 0.1MPa B大于等于 1MPa C小于等于 1MPa D大于等于 0.1MPa 14、闪光对焊机周围 _m 内应无易燃易爆物品，并备有专用的消防灭火器材。A5 B8 C10 D15 15、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D中碳钢16、熔池中 _最先出现晶核。A焊趾上B焊根部C热影响区 E D熔合线上17、按规定参数烘干焊条、焊剂是防止_的措施之一。A夹渣B气孔文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 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_的扩散，以提高接头的高温持久强度。A碳B镍C铬D铌19、除防止产生焊接缺陷外，_是焊接梁和柱时最关键的问题。A提高接头强度B改善接头组织C防止应力腐蚀D防止焊接变形20、断口检验常用于 _接头。A管状B板状CT 形D船形21、焊钳的 _是应该检查的。A导磁性B热膨胀性C夹持焊条的牢固性D塑性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、Dont turn the stove off;the meat _.Ais cooked Bhas been cooked Cis being cooked Dis cooking 24、是钢焊缝金属中的有害气体。 AC02 B氢C氟D氦25、奥氏体不锈钢焊缝金属中的磷会引起_。A未熔合B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 个以文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 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ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6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、氩弧焊的电源种类和极性需根据_进行选择。A焊件材质B焊丝材质C焊件厚度D焊丝直径2、两肩一高一低，形成颈短耸肩，常见于A脊柱侧弯B肩关节脱位C先天性肩胛高耸症D外伤性肩锁关节脱位E三角肌萎缩3、熔渣中同时具有脱硫、脱磷效果的成分是_。AMnO BCaO CFeO DCaF2 4、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5、奥氏体不锈钢多层多道焊时，层间温度(即各焊道间温度)应低于_。A350 B250 C150 D60 6、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7、等离子弧切割以 _气体切割效果最正确。AN2+H2 BAr+H2 CAr+N2 DCO2+N2 8、_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9、在一段无源电路中，电流的大小与电压成正比，而与_，这就是部分电路欧文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 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ZD10L6G8P5Q6姆定律。A电阻率成正比B电阻率成反比C电阻值成正比D电阻值成反比10、埋弧焊应注意选用容量恰当的_，以满足通常为100%的满负载持续率的工作需求。A焊接电缆B一次电源线C焊接小车D弧焊电源11、_是绝大多数钢在高温进行锻造和轧制时所要求的组织。A渗碳体B马氏体C铁素体D奥氏体12、在射线探伤胶片上呈圆形、椭圆形黑点，其黑度一般是中心处较大并均匀地向四周边缘减小的缺陷是_。A气孔B夹渣C未焊透D未熔合13、低合金结构钢电渣焊焊缝及粗晶区晶粒粗大，焊后必须 _以细化晶粒提高冲击韧度。A正火处理B退火处理C回火处理D淬火处理14、压力容器临时吊耳和拉筋的垫板割除后留下的焊疤_。A不能打磨B可以打磨C必须打磨平滑D经批准才能打磨15、金属材料在无数次重复交变载荷作用下，而不致破坏的最大应力称为_。A蠕变强度B抗拉强度C冲击韧性D疲劳强度16、_不是焊接熔池一次结晶的特点。A熔池体积小，冷却速度快B熔池液态金属温度高C熔池是在运动状态下结晶D熔池各处同时开始结晶17、_可以反映出焊接接头各区域的塑性差异。文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6A冷弯试验B拉伸试验C冲击试验D硬度试验18、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，要防止因切割振动_。A引起试件的变形B引起试件的断裂C引起裂纹的愈合D引起裂纹的扩展19、埋弧焊的坡口形式与焊条电弧焊基本相同，但由于埋弧焊的特点，应采用 _。A较厚的钝边B较大的坡口角度C较大的间隙D较厚的垫板20、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21、某用户有 90W 电冰箱一台、100W 洗衣机一台、40W 电视机一台、60W 电灯四盏。假设所有电器同时使用，则他家应至少选用_的电表。A1A B3A C5A D6A 22、钨极氩弧焊电源的外特性曲线是_的。A陡降B水平C缓降D上升23、焊缝和热影响区性能最坏的焊接方法是_。A气焊B焊条电弧焊C埋弧自动焊D手工钨极氩弧焊24、斜 Y 形坡口对接裂纹试件中间的试验焊缝应原则上采用_。A碱性焊条B低氢型焊条C与试验钢材相匹配的焊条D与拘束焊缝相同的焊条25、_不是非破坏性检验。A致密性试验B水压试验文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 ZD10L6G8P5Q6文档编码:CZ5P2M4H2E6 HZ9N8G8K8H6 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