相关试题
【单选题】
为了防止奥氏体不锈钢焊接热裂纹，希望焊缝金属组织是奥氏体-铁素体双相组织，其中铁素体的质量分数应控制在 ___左右
A. 5%
B. 10%
C. 15%
D. 25%
【单选题】
___不是奥氏体不锈钢的焊接工艺特点
A. 不能进行预热和后热工艺
B. 采用小线能量，小电流快速焊
C. 要快速冷却
D. 焊前预热
【单选题】
奥氏体不锈钢的焊接电流（安），一般取焊条直径（毫米）的___倍
A. 15～20
B. 25～30
C. 35～40
D. 45～50
【单选题】
___不是奥氏体不锈钢合适的焊接方法
A. 焊条电弧焊
B. 钨极氩弧焊
C. 埋弧自动焊
D. 电渣焊
【单选题】
___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，冷却到60℃左右再焊下一道
【单选题】
___不是危害最大的焊接缺陷
A. 气孔
B. 裂纹
C. 未焊透
D. 未熔合
【单选题】
在焊接过程中，焊缝和热影响区金属冷却到___附近的高温区进产生的裂纹属于热裂纹
A. A3线
B. Acm线
C. 固相线
D. 液相线
【单选题】
焊接接头冷却到 ___时产生的焊接裂纹属于冷裂纹
A. 液相线附近
B. A3线
C. 较低温度
D. 固相线附近
【单选题】
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
C. 热裂纹
D. 未焊透
【单选题】
___不是防止气孔的措施
A. 采用小线能量
B. 按规定参数烘干焊条，焊剂
C. 采用短弧焊
D. 焊接电流要合适，焊接速度不要太快
【单选题】
___不是产生未焊透的原因
A. 坡口钝边过大,间隙太小
B. 焊接电流过小,焊接速度过快
C. 短弧焊接
D. 焊接时电弧磁偏吹
【单选题】
下列缺陷一般除___外，均需进行返修
A. 焊缝表面有裂纹
B. 焊缝内部有超过图样和标准规定的缺陷
C. 焊缝表面有气孔、夹渣
D. 深度不大于0.5mm、连续长度不大于100mm的咬边
【单选题】
___不是焊接缺陷返修次数增加引起的不利影响
A. 引起裂纹等缺陷
B. 接头性能降低
C. 焊接应力减小
D. 会使金属硬化
【单选题】
___不是非破坏性检验
A. 致密性试验
B. 水压试验
C. 着色检验
D. 金相检验
【单选题】
___不属于破坏性试验
A. 拉伸试验
B. 弯曲试验
C. 冲击试验
D. 水压试验
【单选题】
___不是超声波探伤的缺点
A. 判断缺陷性质直观性差
B. 对缺陷尺寸判断不够准确
C. 要求探伤零件表面粗糙度较高
D. 要求操作人员具有较高的技术水平和工作经验
【单选题】
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___
【单选题】
在射线探伤胶片上呈一条断续的或连续的黑直线（其宽窄取决于对接焊缝坡口根部间隙的大小）的缺陷是___
A. 裂纹
B. 未熔合
C. 未焊透
D. 夹渣
【单选题】
射线探伤焊缝质量评定时的圆形缺陷是指长宽比≤___的缺陷
【单选题】
职业道德的内容很多，但不应包括___
A. 职业道德效益
B. 职业道德守则
C. 职业道德培养
D. 职业道德行为规范
【单选题】
职业道德的意义很深远，但是不包含___
A. 有利于推动社会主义物质文明建设
B. 有利于社会体制改革
C. 有利于行业建设和发展
D. 有利于个人的提高和发展
【单选题】
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
【单选题】
___不应算是焊工的职业守则
A. 参加社会公益活动
B. 遵守企业的有关规章制度
C. 重视岗位技能训练
D. 谦虚谨慎，团结合作
【单选题】
在910℃以下的体心立方晶格的铁称为___
A. ω-Fe
B. σ-Fe
C. α-Fe
D. γ-Fe
【单选题】
在910—1390℃的面心立方晶格的铁称为___
A. ω-Fe
B. σ-Fe
C. α-Fe
D. γ-Fe
【单选题】
铁素体是少量的 ___和其他合金元素固溶于α-Fe中的固溶体
【单选题】
奥氏体是碳和其他合金元素在 ___中的固溶体，他的一个特点是没有磁性
A. α-Fe
B. γ-Fe
C. δ-Fe
D. б-Fe
【单选题】
Fe-C合金平衡状态图中的ES线，表示碳质量分数高于0.8%的钢在缓慢冷却时，由奥氏体开始析出 ___的温度，简称Acm线
A. 马氏体
B. 珠光体
C. 铁素体
D. 渗碳体
【单选题】
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
【单选题】
将钢加热到A3或Acm以上50～70℃，保温后在静止的空气中冷却的热处理方法称为___
【单选题】
将钢加热到A3以上或A1左右一定温度，保温后缓慢（一般随炉冷却）而均匀冷却的热处理方法称为退火，他可以___
A. 提高钢的硬度、提高塑性
B. 降低钢的硬度、提高塑性
C. 提高钢的硬度、降低塑性
D. 降低钢的硬度、降低塑性
【单选题】
塑性的主要指标中不应该包括___
A. 伸长率
B. 断面收缩率
C. 冷弯角
D. 屈服点
【单选题】
碳钢中除含有 ___元素外，还有少量的硅、锰、硫、磷等杂质
A. 铁、碳
B. 铬、碳
C. 钼、碳
D. 镍、碳
【单选题】
中碳钢中，碳质量分数为___
A. 0.25%--0.60%
B. 0.25%--0.45%
C. 0.45%--0.60%
D. 0.60%--0.80%
【单选题】
凡方向不随时间变化的电流就是直流电流，直流电流用字母___表示
【单选题】
导体电阻的大小与物质的导电性能即___及导体的长度成正比，而与导体的截面积成反比
【单选题】
在并联电路中的总电阻值小于各并联电阻值，并联电阻越多其总电阻越小，电路中的总电流___
【单选题】
用右手螺旋法则判断载流直导线周围磁场方向时，以右手拇指竖起表示电流方向，其余四指弯曲，则四指弯曲的指向就是 ___的方向
【单选题】
保护接地的接地电阻一般要小于___Ω
A. 4Ω
B. 10Ω
C. 15Ω
D. 20Ω
【单选题】
Mn是 ___的元素符号，Si是( )的元素符号
A. 锰，硅
B. 硅，锰
C. 钼，硫
D. 镁，钛
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【填空题】
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【填空题】
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【填空题】
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【填空题】
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【填空题】
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【填空题】
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Since the great scandals in banking,many people in the Country have[ ]the prospects of economic recovery within a few years.
【填空题】
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The parents were quite happy to[ ]our suggestion because had taked their most important concernsinto consideration.
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
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1When employees participated in the problem-solving process, they were muchvmore willing to [ ] solutions to the problems.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
2 A strong police force has been placed between the two [ ]group in the village to prevent fighting and killing.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
3 Although personally we believe this to be of only secondary importance, its potential role in [ ] innovative acts cannotbe.___
【填空题】
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4Though many things have been changed culturally, there is a commitment and sense of responsibility that have not yet been [ ] in today's society___
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5 Western nations have older and shrinking populations since they entered the 21stcentury and their [ ] birth rates have also posed problems___
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【填空题】
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8 To study a number of subjects in the humanities has been both enjoyable and [ ]providing me with a new and different perpective on the world in which we live.___
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【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
1Though he was 80 years old, blind and hardly able to walk, his family [ ]him so much that they could hardly bear the thought of his death.___
【填空题】
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【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
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【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
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【填空题】
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【填空题】
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【填空题】
be measured in , come in handy , be exhausted from ,
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7 The general manager of the company intends to introduce new management courses, and tighter controls will be [ ] management to raise efficiency.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
8 Class discussions next week will [ ] the importance of love, communication and a close relationship between parents and their children.___
【单选题】
1：手机银行客户自助签约账户数量___。
【单选题】
2：手机银行贴膜卡通过什么渠道实现银行业务的操作___
【单选题】
3：客户如何开通手机银行贴膜卡业务？___
A. 银行柜面办理
B. 客户网上自行下载办理
C. 以上两种方法都可以
【单选题】
4：手机贴膜卡的初始密码是___。
A. 123456
B. 456789
C. 111111
D. 000000
【单选题】
5：手机贴膜卡收取的短信费是多少___元。
A. 0.2
B. 0.1
C. 0.15
D. 0.25
【单选题】
6：手机银行支付时产生的费用是什么？___
A. 网络流量费
B. 手机话费
C. 不产生费用
【单选题】
7：贴膜卡是通过什么渠道来实现银行业务功能___
A. 网络
B. 加密短信
C. 蓝牙
D. 红外线
【单选题】
1：___负责特约商户资料的审核 报送和保管，负责特约商户的日常管理 结算资金的监控分析，负责布放POS机具和对POS机具的检查 维护 监控。
A. 收单业务员
B. 客户经理岗
C. 信息管理岗
D. 风险专管员
【单选题】
2：各种表格中，商户开户名称的填写一定要和___一致。
A. 法人名称
B. 店名
C. 综合业务系统中的开户名称
D. 商户名称为商户对外使用的名称。
【单选题】
3：对强制退出的特约商户，应及时停止该商户交易，否则造成的损失，由___承担。
A. 银联特约商户
B. 收单行
C. 中间业务部
D. 电子银行部
【单选题】
4：___在获取收单业务收益的同时，承担由此项业务带来的全部风险。
A. 银联特约商户
B. 收单行
C. 中间业务部
D. 电子银行部
【单选题】
5：特约商户发生套现 洗单的，收单行可要求商户___。
A. 强制退出
B. 主动退出
C. 继续使用
D. 交回机具
【单选题】
6：特约商户多次无故拒绝受理银联卡，经指证拒不改正的，收单行可要求商户___。
A. 交纳罚金
B. 主动退出
C. 交回机具
D. 强制退出
【单选题】
7：收单业务中出现的跨行差错 争议通过省银行卡中心协商解决无效时，可向___申请仲裁。
A. 收单行
B. 中国银联争议处理机构
C. 发卡行
D. 消费者协会
