cwi考试1parta 练习题及答案

CWI考试1PARTA 练习题及答案Welding Inspection TechnologyWorkbook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Q1-1 Why 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Q1-2 What 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 5.5b. AWS D1.1c. AWS QCld. AWS 5.1e. AWS 14.1Q1-3 Weld 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Q1-4 What 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, BWIb.CWI, CAWI, SCWIc.SCWI, CWI, ACWId.Levels I，II，and IIIe.None of the above以上都不是Q1-5 What 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 associatesdegree 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Q1-6 The 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2c.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Q1-7 The 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Q1-8 The 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bd.codes and standards规范和标准e.all of the above以上皆是Q1-9 The 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Q1-10 Inspection 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3e.all of 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 of 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 lb.AWS D1.1c.API 1104d.ASNT SNT-TC-1Ae.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，basic，code 基础, 要素, 规范c.basic, vision test, fundamental 要素, 视力检查, 基础d.code，vision test，practical 规范, 视力检查，实际操作e.none of 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 codetest.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.4CWI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Q1-20 API 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Q1-21 Some of the approved codes/standards for the open book portion of the CWI examare 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5第2章 安全操作和焊接检验Q2-1 The 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 of 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 D1.1b.API 1104c. ANSI Z49.1d.ASME Section VIIIe.ASME B31.3Q2-3 The 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Q2-4 Safety 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 OSHAc.ASME Code ASME 规范d.Welding Handbook，Volume 2 焊接手册第二卷e.none of the above 以上都不是Q2-5 The abbreviationMSDSmeans：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6e.none of the above 以上都不是Q2-6 The abbreviationTLVmeans：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 Value 定位长度值d.Threshold Limiting Valve 极限数据e.none of the above 以上都不是Q2-7 Employers 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Q2-8 Personnel 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Q2-9 AHot Work Permitis 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 preheatingoperation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Q2-10 Eye 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 the above以上皆是Q211 Protective equipment not suitable for eye protection from welding radiationincludes：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7d.protective screens 保护屏障e.properly positioned barricades 合理设置的屏蔽Q2-12 Suitable 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ce.none of the above以上都不是Q2-13 Before working on equipment where machinery guards have been removed，aLock，Tag，and Tryprocedure 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Q2-14 In 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 welders 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Q2-16 When entering confined spaces，astandbyis not required.进入密闭空间, 无需设置救援人员。a.true正确b.false错误Q2-17 Some 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Q2-18 Proper usage and handling of compressed gas cylinders include：8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Q2-19 Acetylene becomes unstable above what pressure?乙炔高于什么压力时会变得不稳定?a. 5 psib. 10 psic. 15 psid. none of the above 以上都不是Q2-20 Oxygen is a flammable gas.氧气是可燃气体。a.true正确b.false错误Q2-21 Electric 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cQ2-22 When 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d9第3章 金属连接和切割的方法Q3-1 Which 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Q3-2 In the AWS system of SMAW electrode designations, the next to the last digit refersto：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Q3-3 Which of the following is an incorrect statement about a SMAW electrode designatedas 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Q3-4 Of 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10e.work lead 工件接电Q3-5 Which of the following welding problems is the result of a distorted magnetic fieldthat 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Q3-6 Which 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Q3-7 Which of the following types of metal transfer in GMAW provides the lowest amountof 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Q3-8 Which 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Q3-9 What type of welding process is pictured below?下图所示的是哪种焊接方法?.a.SMAWb.GMAWc.FCAWd.SAWe.ESW11Q3-10 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Q3-11 In the electrode designation system for FCAW，the second digit (1) in an electrodemarked (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Q3-12 Which 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Q3-13 What 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?12a.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Q3-14 Shielding for the GTAW and PAW processes is primarily accomplished through theuse 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%的的钨c.2%thoriated tungsten 含2%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 ismost 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be.b and C above 以上 b和cQ3-17 SAW 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be.a and c above 以上a和cQ3-18 The diagram below depicts what welding process?下图描述的是哪种焊接方法?a.SMAW13b.ESWc.FCAWd.SAWe.GMAWQ3-19 Solidification cracking due to improper width-to-depth ratio of the weld bead is aserious 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.SMAWb.OFCc.SAWd.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 unlessspecial 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.GMAWb.SAWc.FCAWd.SMAWe.GTAWQ3-21 Which 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14Q3-22 What technique is employed with PAW to produce full penetration welds without abevel 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Q3-23 What welding process produces welds in a single pass，with the progression uphillalong 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.SAWb.ESWc.FCAWd.a and b above 以上 a和 be.b and c above 以上 b 和cQ3-24 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Q3-25 Which 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.SMAWb.ESWc.SAWd.OAWe.none of the above 以上都不是Q3-26 which arc welding process provides a very efficient means of joining attachments tosome 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.0AWb.SWc.GMAWd.GTAWe.SMAW15Q3-27 Brazing 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Q3-28 For 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Q3-29 Which 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be.b and c above 以上 b和 cQ3-30 Of 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Q3-31 Which 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Q3-32 Which 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16b.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be.b and c above 以上 b和 cQ3-33 The 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Q3-34 The 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cQ3-35 Of the following，which is a noncontact welding process，requires no electrodes，andis 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.ESWb.PAWc.LBWd.a and b above 以上 a 和be.none of the above 以上都不是Q3-36 Which of the following uses a focused beam of electrons as a heat source for fusionwelding?以下哪种焊接方法采用聚焦电子束作为熔化焊热源?a.EBWb.ESWc.EGWd.a and c above 以上 a 和ce.none of the above 以上都不是17第4章 焊接接头形状和焊接符号Q4-1 Which 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Q4-2 The term for the type of joint formed when the two pieces to be joined lie in parallelplanes 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Q4-3 The term for that portion of a single bevel butt joint where the two pieces to be joinedcome 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Q4-4 In a single V-groove weld，the term for the sloped surfaces against which the weldmetal 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Q4-5 The term for the type of weld produced by filling an elongated hole in an overlappingmember 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18b.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Q4-6 The term for the type of weld configuration formed when the length of a round bar isplaced 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Q4-7 The term for the type of weld having a generally triangular cross section and which isapplied 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