CWI考试1PARTA 练习题及答案
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Welding Inspection Technology
Workbook
焊接检验技术
练习题
(练习题按教材10章的顺序排列,
后附:
美国惯用单位制和公制转换表,
答案附于最后)
第1章焊接检验和取证
Q1-1Why is there an increasing need for weld quality?
为什么焊接质量的要求越来越高?
a.safety安全
b.economics经济
c.1ess conservative design较少保守的设计
d.government regulations政府规定
e.all ofthe above以上皆是
Q1-2What AWS document describes the rules for the CWI certification program?
哪份AWS文件阐述了CWI 证书程序规定?
a.AWS 5.5
b.AWS D1.1
c.AWS QCl
d.AWS 5.1
e.AWS 14.1
Q1-3Weld quality control should begin after welding has been initiated.
焊接质量控制应在焊接已经开始后进行。
a.true正确
b.false错误
Q1-4What are the three welding inspector certifications covered in AWS QC l?
AWS QC1中包括的三种焊接检验证书是哪三种?
a.CAWI, CWI, BWI
b.CWI, CAWI, SCWI
c.SCWI, CWI, ACWI
d.Levels I,II,and III
e.None of the above以上都不是
Q1-5What is generally considered to be the most important quality of a welding inspector?
焊接检验员最重要的素质是什么?
a.graduation from a welding vocational program 毕业于焊接专业
b.an engineering degree 工程师职称
c.an associates’degree 助理职称
d.professional attitude 职业态度
e.hold a certified welder certificate 拥有注册的焊工证书
Q1-6The vision requirements for a CWI are near vision acuity on:
CWI 视力要求与哪一项最接近:
a.Jaeger J1 at not less than 24 in Jaeger J1不少于24英寸
b.Jaeger J2 at not less than 12 in Jaeger J2不少于12英寸
c.Jaeger J2 at not less than 12 in, with or without corrective lenses
Jaeger J2不少于12英寸,矫正与否都可d.the inspector cannot wear glasses 检验员不能佩戴眼镜
e.20/20 vision 20/20 视力
Q1-7The acronym KASH stands for:
缩略语KASH表示:
a.knowledge,attitude,skills,and habits 知识,职业态度,技能和习惯
b.knowledge,application,skills,and habits 知识,应用,技能和习惯
c.knowledge,attitude,skills,and honesty 知识, 职业态度,技能和诚实
d.knowledge,application,skills,and honesty 知识,应用,技能和诚实
e.knowledge,attitude,sincerity,and honesty 知识, 职业态度,真诚和诚实Q1-8The welding inspector should have a basic understanding of:
焊接检验员应掌握的基本知识为:
a.welding processes焊接方法
b.nondestructive testing methods无损检测方法
c.a and b above以上a和b
d.codes and standards规范和标准
e.all of the above以上皆是
Q1-9The term used to describe a delay in the production schedule to permit inspection is:用以描述推迟生产计划以允许检验的术语是:
a.NDE 无损检查
b.hold point 停止点
c.preinspection 预检测
d.reference point相关点
e.arc strike电弧触发
Q1-10Inspection report corrections should be made by:
检验报告的修改应这样进行:
a.rewriting the entire report 重写整份报告
b.reporting the correction to the welding foreman 将修改部分给焊工领班
c.telling the welder what was done 将修改的内容告知焊工
d.ignoring the original error忽略原先的错误
e.single-line out the error,correct the error,date,and initial
用单线标出错误,修正错误,注明日期并签名
Q1-11 A definition of ethics is:
道德的定义是:
a.using common sense and honesty 常规的诚实观
b.1iving by the rules 按规定办事
c.being fair and impartial 公平并公正
d.basing decisions on facts 依据事实作出结论
e .all o
f the above 以上皆是
Q1-12 For communications to be effective
,it should form a “continuous loop .”
为使沟通有效, 应使之形成”连续循环网络”
a .true 正确
b .false 错误
Q1-13 The welding inspector must often communicate with :
焊接检验员应经常与之沟通的是:
a .welders 焊工
b .supervisors 监督人员
c .welding engineers 焊接工程师
d .members of management 管理人员
e .all o
f the above 以上皆是
Q1-14 NDE personnel (other than CWIs) are typically certified to what document?
NDE 人员(而非CWI) 依据哪份文件颁发证书?
a .AWS QC l
b .AWS D1.1
c .API 1104
d .ASNT SNT-TC-1A
e .certification is not needed 无需证书
Q1-15 You must have a high school diploma to become a CWI .
你要想成为CWI, 必须有高中的学历证书。
a .true 正确
b .false 错误
Q1-16 The CWI exam has several parts ;these are :
CWI 考试有几部分,它们是:
a .fundamentals ,practical ,code 基础, 实际操作, 规范
b .fundamentals ,basi
c ,code 基础, 要素, 规范
c .basic, vision test, fundamental 要素, 视力检查, 基础
d .cod
e ,vision test ,practical 规范, 视力检查,实际操作
e .none o
f the above 以上都不是
Q1-17 The CWI exam requires that the AWS D1.1 Code be used for the open book code
test .
CWI 考试中, AWS D1.1规范用作规范开卷考试使用的书本。
正确
错误
Q1-18 The CWI exam contains three parts .
CWI考试包括三部分。
a.true正确
b.false错误
Q1-19 The title of the AWS standard A3.0 is:
AWS 标准A3.0的标题是:
a.Filler Metal Specifications填充金属技术条件
b.Standard Welding Terms and Definitions 标准焊接术语和定义
c.Guide to CWI Certification CWI取证指南
d.Requirements for CWI Certification CWI取证要求
e.none of the above以上都不是
Q1-20API Standard 1104 covers the fabrication of cross-country bridges.
API 标准1104包括横穿全国的桥梁的制作。
a.true正确
b.false错误
Q1-21Some of the approved codes/standards for the open book portion of the CWI exam are AWS D1.1, API 1104,AWS D1.5, and AWS D15.1.
得到批准的CWI开卷考试的一些规范/标准为:AWS D1.1, API 1104, AWS
D1.5和AWS D15.1.
a.true 正确
b.false 错误
Q1-22 Prior to starting a job assignment, the welding inspector should determine:开始执行分配的工作前, 焊接检验员应确定:
a.what code,standard,or specification applies 使用何种规范,标准或技术条件.
b.what inspections should be conducted 应该进行什么检验.
c.when inspections should be conducted 应该何时进行检测
d.where records are maintained 记录保存于何处
e.all of the above 以上皆是
第2章安全操作和焊接检验
Q2-1The welding inspector is exposed to which of the following safety hazards:焊接检验员暴露于以下何种安全危害之中:
a.radiation辐射
b.falling objects坠落物
c.electrical shock 触电
d.eye hazards眼睛伤害
e all o
f the above以上皆是
Q2-2 A document which covers safety in welding and cutting is:
包括焊接和切割的安全的文件是:
a.AWS D1.1
b.API 1104
c. ANSI Z49.1
d.ASME Section VIII
e.ASME B31.3
Q2-3The most important component of an effective safety and health program is:有效的安全和健康程序中最重要的是:
a.safety rules 安全规则
b.safety procedures 安全程序
c.protective eqmpment 保护工具
d.welding helmet 焊接头盔
e.management support 管理层的支持
Q2-4Safety training is mandated under provisions of:
安全培训基于哪项标准:
a.AWS“Safe Practices”AWS的”安全操作”
b.OSHA OSHA
c.ASME Code ASME 规范
d.Welding Handbook,V olume 2 焊接手册第二卷
e.none of the above 以上都不是
Q2-5The abbreviation‘MSDS’means:
缩略语MSDS表示:
a.Management Support and Daily Safety 管理支持和日常安全
b.Material Strength and Discontinuity Sheet 材料强度和缺陷报告单
c.Material Safety Data Sheet 材料安全数据单
d.Material Strength and Data Sheet 材料强度和数据单
e.none of the above 以上都不是
Q2-6The abbreviation‘TLV’means:
缩略语TLV表示什么:
a.Total Linear volume总线性量
b.Threshold Limit Value 限值
c.Tack Length V alue 定位长度值
d.Threshold Limiting V alve 极限数据
e.none of the above 以上都不是
Q2-7Employers must make all applicable MSDS data available to their employees.雇主必须将所有适用的MSDS数据告知其雇员。
a.true正确
b.false错误
Q2-8Personnel must be trained to recognize safety hazards.
人员必须进行培训以认知安全危害。
a.true正确
b.false错误
Q2-9A‘Hot Work Permit’is required for:
“高温许可”适用于:
a.all welding operations 所有焊接操作
b.all cutting operations 所有切割操作
c.all preheating operations 所有预热操作
d.areas where a fire hazard may occur during a welding,cutting,or preheating operation
所有可能引发火灾的焊接,切割或预热操作区域中.
e.all of the above以上皆是
Q2-10Eye hazards found in welding operations include:
焊接操作中对眼睛的伤害包括:
a.flying particles飞溅物
b.radiation辐射
c.smoke and fumes烟尘
d all of th
e above以上皆是
Q2—11Protective equipment not suitable for eye protection from welding radiation includes:
对于焊接辐射,不能保护眼睛工具是:
a.welding helmets with filter plates 装有滤光镜片的焊接头盔
b.clear safety goggles 透明护目镜
c.safety goggles with filter plates 装有滤光镜片的护目镜
d.protective screens 保护屏障
e.properly positioned barricades 合理设置的屏蔽
Q2-12Suitable clothing materials for welding and cutting are:
焊接和切割时合适的衣着材料为:
a.65%cotton,35%polyester65%棉, 35%涤纶
b.Wool 羊毛
c.chemically treated cotton 经化学处理的棉
d.b and c above 以上b和c
e.none of the above以上都不是
Q2-13Before working on equipment where machinery guards have been removed,a ‘Lock,Tag,and Try’procedure should be completed.
在机械保护已拆除的设备上工作之前,应该完成“关断、标识和严禁启动”。
a.true正确
b. false错误
Q2-14In avoiding fumes during welding, the most important factor is:
避免焊接烟尘, 最重要的要素是:
a.the type of base metal 母材的种类
b.the type of filler metal 填充物的种类
c.the type of welding process 焊接方法的种类
d.the position of the welding machine 焊接机器的位置
e. the position of the welder’s head 焊工头部所处位置
Q2-15 It is not important to consider ventilation during welding and cutting operations.焊接和切割操作中通风并不重要。
a.true正确
b. false错误
Q2-16When entering confined spaces,a‘standby’is not required.
进入密闭空间, 无需设置救援人员。
a.true正确
b.false错误
Q2-17Some of the toxic materials the welder may be exposed to are
焊工可能暴露于一些有毒物质中,它们是:
a.cadmium镉
b.chromium铬
c.nickel 镍
d.1ead 铅
e.all of the above以上皆是
Q2-18Proper usage and handling of compressed gas cylinders include:
确当地使用和操作高压气瓶包括:
a.not welding on cylinders 不在容器上进行焊接
b.not including the cylinders in the ground or electrical circuit
不将容器作接地用,或不将其接入电路.
c.securing them properly 合理地保护
d.identifying the gas prior to use 在使用气体之前进行确认
e.all of the above 以上皆是
Q2-19Acetylene becomes unstable above what pressure?
乙炔高于什么压力时会变得不稳定?
a. 5 psi
b. 10 psi
c. 15 psi
d.none of the above 以上都不是
Q2-20Oxygen is a flammable gas.
氧气是可燃气体。
a.true正确
b.false错误
Q2-21Electric currents above approximately 6 milliamperes are considered:6毫安的电流被认为是:
a.not harmful 无害
b.primary currents 主要电流
c.harmful 有害
d.secondary currents 次电流
e.b and c above 以上b和c
Q2-22When operating gas cylinders,the primary valve should be opened:操作气瓶时,主阀应打开:
a.all the way on an acetylene cylinder通向乙炔气瓶的所有通道
b.one turn on an oxygen cylinder 开启一个氧气缸
c.one turn or less on an acetylene cylinder 转一圈或更少的开启乙炔瓶
d.a11 the way on an oxygen cylinder to backseat the valve
所有由氧气瓶通向次要的阀门e.c and d above c和d
第3章金属连接和切割的方法
Q3-1Which of the following is a function of the flux coating of a SMAW electrode?
以下什么是SMAW焊条药皮的作用?
a.insulating 绝缘
b.alloying 合金化
c.deoxidation 脱氧
d.shielding 保护
e. all of the above 以上都是
Q3-2In the AWS system of SMAW electrode designations, the next to the last digit refers to:
AWS标准里规定SMAW的焊条标识中最后一个数字之前的数字表示什么意思:
a.impact strength 冲击强度
b.electrode coating 药皮特性
c.welding position 焊接位置
d.strength 强度
e.none of the above 以上都不是
Q3-3Which of the following is an incorrect statement about a SMAW electrode designated as E7024?
SMAW焊条标识E7024中各符号和数字表示的意思不正确的是以下哪个?
a.It is a low hydrogen type.
这是个低氢型焊条
b.The weld deposit has a minimum tensile strength of 70 000 psi.
熔敷金属的最小抗拉强度为70 000 PSI.
c.It is suitable for use in the flat and horizontal fillet positions only.
此焊条只适用与平焊和角焊缝横焊位置.
d.It is an electrode for welding carbon steel.
焊条适用于碳钢焊接
e.none of the above
以上都不对
Q3-4Of the following which is not an essential part of a typical SMAW system?
以下哪部分不是典型的SMAW特点?
a.constant current power supply 提供恒值电流
b.wire feeder 采用送焊条装置
c.covered electrode 药皮焊条
d.electrode lead 焊条接电
e.work lead 工件接电
Q3-5Which of the following welding problems is the result of a distorted magnetic field that deflects the welding arc?
在磁场发生扭曲时产生的电弧偏斜会导致以下哪些问题的发生?
a.cracks 裂纹
b.short circuiting 短路
c.arc blow 电弧偏吹
d.insufficient welding current 焊接电流不足
e.all of the above 以上都不对
Q3-6Which of the following is not considered a type of metal transfer for GMAW?
以下什么不是GMAW的熔滴过渡类型?
a.short circuiting 短路
b.spray 喷射
c.globular 球状
d.droplet 小滴
e.pulsed arc 脉冲弧
Q3-7Which of the following types of metal transfer in GMAW provides the lowest amount of heat to the work piece,and therefore is prone to incomplete fusion?
以下哪种GMAW的熔滴过渡,会使工件热量最低,并导致未熔合?
a.short circuiting 短路
b.spray 喷射
c.globular 球状
d.droplet 水滴
e.pulsed arc 脉冲电弧
Q3-8Which of the following gases can be used as shielding gases for GMAW?
下列哪些可以用做GMAW的保护气体?
a.carbon dioxide 二氧化碳
b. argon-oxygen 氧气-氩气
c.argon-carbon dioxide 氩气-二氧化碳
d.argon 氩气
e.all of the above 以上皆是
Q3-9What type of welding process is pictured below?
下图所示的是哪种焊接方法?.
a.SMAW
b.GMAW
c.FCAW
d.SAW
e.ESW
Q3-10 Which of the following is not considered an arc welding process?
以下哪些焊接方法不是电弧焊接?
a.SMAW 药皮焊条电弧焊
b.GMAW 熔化极气体保护焊
c.FCAW 药芯焊丝电弧焊
d.ESW 电渣焊
e.none of the above 以上都不是
Q3-11In the electrode designation system for FCAW,the second digit (1) in an electrode marked (E71T-5) refers to:
FCAW的焊丝标号系统中,E71T-5中的第二个数字(1)表示的是什么意思?
a.strength 强度
b.welding position 焊接位置
c.chemical composition 化学成分
d.usability 适用性
e.none of the above
以上都不是
Q3-12Which of the following is not always an essential element of an FCAW system?
以下哪些不总是FCAW焊接系统的基本要素?
a.constant voltage power supply 恒压
b.tubular electrode 管状焊丝
c.wire feeder 送丝装置
d.external shielding gas 外部保护气体
e.work lead 工件接电
Q3-13What aspect of the GTAW and PAW processes makes them different from the other arc welding processes?
钨极氩弧焊与等离子弧焊与其它电弧焊接的不同在于?
a.nonconsumable electrode 非消耗电极
b.power supply 电源
c.shielding 气体保护
d.all of the above 以上皆是
e.none of the above 以上都不是
Q3-14Shielding for the GTAW and PAW processes is primarily accomplished through the use of:
钨极氩弧焊与等离子焊的保护主要用什么来实现?
a.granular flux 颗粒焊剂
b.slag 熔渣
c.1nert gas 惰性气体
d.oxygen 氧气
e.none of the above 以上都不是
Q3-15 A green stripe on a tungsten electrode designates:
在钨电极标识上的绿色条纹表示的是
a.pure tungsten 纯钨
b.1%thoriated tungsten 含1%的釷的钨
c.2%thoriated tungsten 含2%釷的钨
d.zirconiated tungsten 氧化锆钨
e.none of the above 以上都不是
Q3-16 When welding aluminum with the GTAW process,what type of welding current is most commonly used?
当使用GTAW焊铝时,哪种类型的电流使用最广泛?
a.DCEP 直流,电极接正极
b.DCEN 直流,电极接负极
c.AC 交流电
d.a and b above 以上a和b
e.b and C above 以上b和c
Q3-17SAW and ESW processes are similar in that:
埋弧焊和电渣焊的相似处在于:
a.both are an arc welding process 都采用电弧焊接方法
b.both use shielding gases 都使用保护气体
c.both use a granular flux,which becomes molten
都使用颗粒状焊剂,它们成为熔化状态d.a and b above 以上a和b
e.a and c above 以上a和c
Q3-18The diagram below depicts what welding process?
下图描述的是哪种焊接方法?
a.SMAW
b.ESW
c.FCAW
d.SAW
e.GMAW
Q3-19Solidification cracking due to improper width-to-depth ratio of the weld bead is a serious problem primarily with which welding process?
用以下哪种焊接方法会因为熔敷焊道不合适的宽深比产生结晶裂纹?
a.SMAW
b.OFC
c.SAW
d.all of the above 以上皆是
e.none of the above 以上都不是
Q3-20 Which one of the following processes is typically used in the fiat position unless special apparatus is employed?
除非使用特殊装置,否则,以下哪种焊接方法一般用于平焊位置?
a.GMAW
b.SAW
c.FCAW
d.SMAW
e.GTAW
Q3-21Which of the following are not common to both GTAW and PAW?
对于GTAW和PAW,以下什么不是它们共有的?
a.nonconsumable tungsten electrode 非熔化钨极
b.constricting orifice 压缩喷嘴
c.shielding gas nozzle 保护气体喷嘴
d.externally applied filler metal 外部施加填充金属
e.none of the above 以上都不对
Q3-22What technique is employed with PAW to produce full penetration welds without a bevel edge preparation?
PAW的什么技术能在不制备坡口情况下达到完全熔透?
a.stringer beads 窄焊道
b.weave beads 摆动焊道
c.keyhole 小孔
d.back-step 衬垫
e.none of the above 以上都不是
Q3-23What welding process produces welds in a single pass,with the progression uphill along the joint?
什么焊接方法沿着接头向上,以单道焊缝的形式上完成焊接过程?
a.SAW
b.ESW
c.FCAW
d.a and b above 以上a和b
e.b and c above 以上 b 和c
Q3-24 Which of the following is not an advantage of the ESW process?
以下什么不是ESW的优点?
a.high deposition rate 高熔敷率
b.ease of setup 设置简单
c.capable of joining thick sections 能焊接厚板
d.no tendency for angular distortion 无角变形趋势
e.none of the above 以上都不是
Q3-25Which welding process is considered to be a chemical welding process?
以下哪种焊接方式被认为是化学焊接方法?
a.SMAW
b.ESW
c.SAW
d.OAW
e.none of the above 以上都不是
Q3-26 which arc welding process provides a very efficient means of joining attachments to some planar surfaces?
以下哪种焊接方法在某些平整表面上高效率地焊着附件?
a.0AW
b.SW
c.GMAW
d.GTAW
e.SMAW
Q3-27Brazing differs from welding in that:
钎焊与其他焊接不同的在与:
a.no filler metal is used 不用填充金属
b.an oxyfuel flame is used 使用氧焰
c.the base metal is not melted 母材不熔化
d.all of the above 以上皆是
e.none of the above 以上都不是
Q3-28For satisfactory results,a braze ioint should have:
为了得到良好的效果,钎焊接头应具备:
a.clean joint surfaces 清理接头表面
b.a small clearance between pieces to be joined 连接件间小的间隙
c.a large surface area for the joint area 接头有大的连接面
d.heat source 热源
e.all of the above 以上皆是
Q3-29Which of the following is an advantage of brazing?
钎焊的优点是?
a.ease of joining thick sections 容易连接厚截面
b.ability to ioin dissimilar metals 能连接两种不同的金属
c.ability to join thin sections 薄板连接容易
d.a and b above 以上a和b
e.b and c above 以上b和c
Q3-30Of the following metals,which cannot be efficiently cut using OFC?
不能有效的使用氧气切割的金属是?
a.high-carbon steel 高碳钢
b.1ow-carbon steel 低碳钢
c.medium-carbon steel 中碳钢
d.austenitic stainless steel 奥氏体不锈钢
e.none of the above 以上都不是
Q3-31Which of the following gases can be used to perform OFC?
以下什么气体能用于氧气切割?
a.methylacetylene-propadiene(MPS) 乙炔-丙烯
b.propane 丙烷
c.acetylene 乙炔
d.methane(natural gas) 甲烷
e.all of the above 以上皆是
Q3-32Which of the following cutting processes can cut any metal?
以下哪种切割方法可切割任何金属?
a.OFC 氧气切割
b.CAC-A 空气碳弧切割
c.PAC 等离子弧切割
d.a and b above 以上a 和b
e.b and c above 以上b和c
Q3-33The width of a cut is referred to as the:
切割宽度和什么有关:
a.gap 空隙
b.dross 割渣
c.kerf 割痕
d.drag 后拖量
e.none of the above 以上都不是
Q3-34The SMAW power source can be:
手工焊的电源可以为:
a.DCEN 直流反接
b.AC 交流
c.DCEP 直流正接
d.all of the above 以上皆是
e.a and c above 以上a和c
Q3-35 Of the following,which is a noncontact welding process,requires no electrodes,and is not influenced by the presence of magnetic fields?
以下哪种焊接方法是非接触焊接方法,不需要电极,并且不受磁场的影响?
a.ESW
b.PAW
c.LBW
d.a and b above 以上a 和b
e.none of the above 以上都不是
Q3-36Which of the following uses a focused beam of electrons as a heat source for fusion welding?
以下哪种焊接方法采用聚焦电子束作为熔化焊热源?
a.EBW
b.ESW
c.EGW
d.a and c above 以上a 和c
e.none of the above 以上都不是
第4章焊接接头形状和焊接符号
Q4-1Which of the following is not considered a type of joint?
以下哪一项不属于接头形式?
a.butt 对接
b.T T型接
c.fillet 角焊缝
d.corner 角接
e.edge 端接
Q4-2The term for the type of joint formed when the two pieces to be joined lie in parallel planes and their edges overlap is:
当两块板呈平行连接,且它们的棱边搭接,这种类型的接头的术语是:
a.Corner 角接
b.T T接
c.edge 端接接头
d.1ap 搭接
e.butt 对接
Q4-3The term for that portion of a single bevel butt joint where the two pieces to be joined come closest together is:
两块单面坡口的板对接,被连接的两片,表示其位置靠得最近的术语是:a.radius 坡口半径
b.joint root 接头根部
c.bevel angle 坡口面角度
d.groove angle 坡口角度
e.none of the above 以上都不是
Q4-4In a single V-groove weld,the term for the sloped surfaces against which the weld metal is applied is:
在单面V型坡口焊缝中,表示要填充焊缝金属的那个斜面的术语是:
a.root face 钝边
b.root 焊缝根部
c.groove faces 坡口面
d.groove angle 坡口角度
e.bevel angle 坡口面角度
Q4-5The term for the type of weld produced by filling an elongated hole in an overlapping member attaching it to the member beneath is:
两块重叠的板,叠在上面的部件上开长孔,在孔中焊接而填满得到的焊缝,这种焊缝的术语是:
a.plug weld 塞焊缝
b.spot weld 点焊
c.seam weld 缝焊
d.slot weld 槽焊缝
e.none of the above 以上都不是
Q4-6The term for the type of weld configuration formed when the length of a round bar is placed parallel against a flat surface is:
当一根圆钢沿长度方向平行地放在平面上,所形成的焊缝术语是:
a.double-flare-bevel-groove 双面喇叭型坡口
b.single-flare-V groove 单面喇叭-V型坡口
c.edge flange 卷边
d.corner flange 角卷边
e.none of the above 以上都不是
Q4-7The term for the type of weld having a generally triangular cross section and which is applied to either a T,comer,or lap joint is:
具有三角形横截面,可以用于T形接头,角接接头或搭接接头中任一种接头,
用于这种焊缝的术语是:
a.flange weld 卷边焊逢
b.flare weld 喇叭形焊逢
c.fillet weld 角焊逢
d.slot weld 槽焊逢
e.spot weld 点焊缝
Q4-8The term for the type of weld used to build up thinned surfaces,provide a layer of corrosion protection,or provide a layer of abrasion resistant material,is:
用来焊接一较薄表层,以提供一防腐层,或提供一耐磨层,这种焊接的术语是:
a.edge weld 端接焊缝
b.flare weld 喇叭型焊逢
c.flange weld 卷边焊逢
d.slot weld 槽焊逢
e.surfacing weld 表面堆焊焊缝
Q4-9The term for the type of weld applied to the opposite side of a joint before a single V-groove weld is completed on the near side of a joint is:
在一个单面V型坡口焊缝完成以前,施焊于接头对侧的焊缝,用什么术语来表示:
a.melt-through weld 熔穿焊缝
b.backing weld 打底
c.back weld 封底焊缝
d.root weld 根部焊缝
e.none of the above 以上都不是
Q4-10 In a completed groove weld.the term for the surface of the weld on the side from which the welding was done is:
在完工的坡口焊缝中,术语“焊缝表面—从该面进行焊接”表示的是:
a.Crown 焊逢顶部
b.weld reinforcement 焊逢余高
c.weld face 焊接面
d.root 焊逢根部
e.cap pass 盖面焊
Q4-11In a completed weld,the term for the junction between the weld face and the base metal is:
在完工焊逢中,表示焊逢面与母材金属间的结合处的术语是:
a.root 根部
b.weld edge 焊缝边缘
c.weld reinforcement 焊缝余高
d.1eg 焊脚
e.toe 焊趾
Q4-12The term for the height of the weld face above the base metal in a groove weld is:在坡口焊缝中,表示高出母材以上的焊缝面的高度的术语是:
a.Crown 焊缝顶部
b.buildup 堆焊
c.face 面
d.weld reinforcement 焊缝余高
e.none of the above 以上都不是
Q4-13In a fillet weld.the leg and size are the same for what type of configuration?
在角焊逢中,以下哪种形状的焊脚和焊缝尺寸是一样的?
a.effective throat 有效的焊缝厚度
b.concave weld 下凹形焊缝
c.convex weld 凸起形焊缝
d.unequal leg fillet 不等焊脚角焊缝
e.oversize weld 尺寸过大焊缝
Q4-14When looking at the cross section of a completed groove weld, the difference between the fusion face and the weld interface is called the:
观察完工坡口焊缝横截面,熔合面与焊缝界面间的差别叫作:
a.depth of fusion 熔合深度
b.depth of penetration 熔透深度
c.root penetration 根部熔透
d.joint penetration 接头熔深
e.effective throat 有效焊缝厚度
Q4-1 5 For a concave fillet weld, which throat dimensions are the same?
对于下凹形角焊缝而言,哪种焊缝厚度尺寸是相同的?
a.theoretical and effective 理论的和有效的
b.effective and actual 有效的和实际的
c.theoretical and actual 理论的和实际的
d.all of the above 以上都是
e.none of the above 以上都不是
Q4-16In a partial penetration single V-groove weld.the term for the dimension measured from the joint root to where the weld penetration stops is:
对于部分熔透的单面V形坡口焊缝,测量从接头根部到焊缝熔透停止处的尺寸的术语叫:
a.joint penetration 接头熔深
b.effective throat 有效焊缝厚度
c.root penetration 根部熔透深度
d.depth of fusion 熔合深度
e.weld interface 焊缝界面
Q4-17 The size of a spot weld is determined bv its:
点焊的尺寸由什么来决定?
a.depth of fusion 熔合深度
b.diameter of weld at point of contact 接触点的焊缝直径
c.depth of penetration 熔透深度
d.thickness 厚度
e.none of the above 以上都不是
Q4-18The primary element of any welding symbol is referred to as the:
焊接符号的主要的要素是:
a.tail 尾
b.arrow 箭头
c.reference line 基准线
d.arrow side 箭头侧
e.weld symbol 焊缝符号
Q4-19Information appearing above the reference line refers to the:
出现在参考线上面的信息表示:
a.near side 近侧
b.arrow side 箭头端
c.far side 远侧
d.other side 另一侧
e.none of the above 以上都不是
Q4-20The graphic description of the type of weld is called the:
焊缝类型的图解描述称为:
a.tail 尾
b.welding symbol 焊接符号
c.Weld symbol 焊缝符号
d.arrow 箭头
e.none of the above 以上都不是
Q4-21
Which of the symbols below describes the weld shown? 以下哪一个符号正确描述了所示焊缝?
e .none ofthe above 以上都不是
Q4-22 When a weld symbol is centered on the reference line, this indicates ?
当一个焊缝符号位于参考线的中心时,这表示:
a .that the welder can put the weld on either side
焊工可以在任一侧施焊焊缝
b .that there is no side significance 那一侧是不重要的
c .that the designer doesn ’t know where the wel
d should go
设计师不知道焊缝应置于何处
d .that th
e welder should weld in whatever position the weld is in
焊工应在焊缝所在位置焊接
e .none o
f the above 以上都不是
Q4-23 The symbol below depicts what type of joint?
以下的焊接符号表示的是什么类型的接头?
a .flare V-groove 喇叭-V 形坡口
b .flare bevel groove 单边喇叭形坡口
c .edge flange 卷边
d .comer flang
e 卷边对接
e .none o
f the above 以上都不是
Q4-24 In the welding symbol below ,the 1/8 dimension refers to what?
以下的焊接符号上,1/8尺寸表示:
a.groove angle 坡口角度
b.root face 钝边
c.depth of preparation 熔透深深
d.weld size 焊缝尺寸
e.root opening 根部间隙
Q4-25In the welding symbol below,the 3/4 dimension refers to what?
以下的焊接符号上,3/4尺寸表示:
a.weld size 焊缝尺寸
b.effective throat 有效焊缝厚度
c.depth of bevel 单面斜面深度
d.root opening 根部间隙
e.none of the above 以上都不是
Q4-26If applied to a 1 in thick weld joint,the welding symbol below describes what type of weld?
如果应用于1 英寸板厚的焊接接头,以下焊接符号表示的是什么焊缝类型?
.
a.full penetration double bevel-groove weld 完全熔透双面单边V形坡口焊逢
b.full penetration double V-groove weld 完全熔透双面V型坡口焊缝
c.partial penetration double bevel-groove weld 部分熔透双面单边V形坡口
焊逢
d.partial penetration double V-groove weld 部分熔透双面V型坡口焊缝
e.none of the above 以上都不是
Q4-27 A triangular-shaped weld symbol represents what type of weld?
三角形的焊接符号表示的是什么焊缝类型?
a.bevel groove 单边坡口
b.flare groove 喇叭型坡口
c.flange groove 卷边坡口
d.V-groove V型坡口
e.fillet weld 角焊缝
Q4-28The symbol below describes what type of weld?
以下焊接符号表示的是什么焊缝类型?
a.staggered intermittent fillet weld 错列断续角焊逢
b.chain intermittent fillet weld 链状断续角焊逢
c.segmented fillet weld 部分角焊逢
d.intermittent fillet weld 断续角焊逢
e.none of the-above 以上都不是
Q4-29The first dimension appearing to the immediate right of the weld symbol generally refers to the:
紧靠焊接符号右边的第一个尺寸通常表示:
a.weld reinforcement 焊缝余高
b.root opening 根部间隙
c.pitch distance 间距
d.weld length 焊缝长度
e.none of the above 以上都不是
Q4-30In the case of a plug or slot weld,a dimension placed within the weld symbol would indicate?
在塞焊缝和槽焊缝中,放在焊缝符号内的尺寸表示什么?
a.depth of filling 填充深度
b.slot weld width 槽焊缝宽度
c.plug weld diameter 塞焊缝直径
d.angle of countersink 钻孔角度
e.none of the above 以上都不是
Q4-31The required spot weld size parameter can be shown as:
要求的点焊缝尺寸参数可以用什么表示?
a.a dimension to the right of the symbol 焊接符号右边的尺寸
b.a dimension of the required nugget diameter 要求的焊核直径
c.a value for the required shear strength per spot 要求的每一点剪切变强度值
d.a or b above a 和b
e.b or c above b 和c
Q4-32 A number appearing to the right of the spot weld symbol refers to:
点焊缝符号右边的数值表示:
a.spot weld size 焊点尺寸
b.spot weld length 焊点长度
c.number of spots required 所需要的点焊数目
d.pitch distance between adjacent spots 相邻焊点之间的间距
e.none of the above 以上都不是
Q4-33 What elements are required in a welding symbol?
一个焊接符号中需要哪些要素?
a.reference line 基准线
b.weld symbol 焊缝符号
c.arrow 箭头
d.all of the above 以上都是
e.a and c above a 和c
Q4-34 In the welding symbol below,the supplementary symbol shown on the other side location represents:
在以下焊接符号中,在另一侧的辅助符号表示:
a.back weld 背部焊缝
b.backing weld 打底焊缝
c.melt-through of weld from arrow side 从箭头端的熔穿
d.a and b above a 和b
e.b and c above b 和c
Q4-35The welding symbol below shows the use of what type of completed weld?
以下焊接符号中表示的是什么类型的完工焊缝?
a.single bevel-groove weld with backing weld 有打底焊缝的单面单边V形坡
口焊缝
b.single bevel-groove weld with back weld 有封底焊缝的单边V形坡口焊缝
c.single V-groove weld with backing weld 有打底焊缝的单面V形坡口焊缝
d.single V-groove weld with back weld 有封底焊缝的单面V形坡口焊缝
e.none of the above 以上都不是
Q4-36The symbol below shows what type of joint configuration?
以下焊接符号表示的是什么接头形式?
a.square groove I型坡口。