2024年4月23日发(作者:)
焊接检验技术练习题
(练习题按教材 10章排列,
后附:
美国惯用单位制和公制转换表,
答案附于最后)
第1章
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
Q1-1 为什么焊接质量的要求越来越高?
a.安全
b.经济
c.较少保守的设计
d.政府规定
e.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 5.5
b. AWS D1.1
c. AWS QCl
d. AWS 5.1
e. AWS 14.1
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 5.5
b. AWS D1.1
c. AWS QCl
d. AWS 5.1
e. AWS 14.1
Q1-3 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测证书是哪三种?
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
Q1-5 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 associates’degree助理职称
d.professional attitude专业态度
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
b.Jaeger J2 at not less than 12 in Jaeger J2不少于12
c.Jaeger J2 at not less than 12 in, with or without corrective lenses Jaeger J2
不少于12,矫正与否都可.
d.the inspector cannot wear glasses检验员不能佩戴眼镜
e.20/20 vision20/20的视力
Q1-7 The acronym KASH stands for:
缩略语 KASH表示:
a. knowledge,attitude,skills,and habits知识,态度,技巧和习惯
b. knowledge,application,skills,and habits知识,应用,技巧和习惯
c. knowledge,attitude,skills,and honesty知识,态度,技巧和诚实
d. knowledge,application,skills,and honesty知识,应用,技巧和诚实
e. knowledge,attitude,sincerity,and honesty知识,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:
a.welding processes焊接程序
b.nondestructive testing methods无损检测方法
c.a and b above包括a和b
d.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 NDE
b.hold point停止点
c.prelnspectlon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:
检验报告应作这样的修改:
a.rewriting the entire report重写整份报告
b.reporting the correction tO the welding foreman将修改部分给焊接工人的带班
c.telling the welder what was done告知焊工修改的内容
d.ignoring the original error忽略之前的错误
e.single-line out the error,correct the error,date,and initial 用单线标出错误,
修改错误,注明日期并签署
Q1-11 A definition of ethics is:道德的定义是:
a.using common sense and honesty普遍的诚实观
b.1ivino by the rules按规定
c.being fair and impartial公平公正
d.basing decisions on facts依情况而定
e.all ofthe above以上皆是
Q1-12 For communications to be effective,it should form a“continuous loop.”
为使交流更有效,应使之形成”连续循环回路”
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监控人员
c.welding engineers焊接工程师
d.members of management管理层人员
e.all of the above包括以上各项
Q1-14 NDE personnel (other than CWIs) are typically certified to what document?
NDE人员(而非CWI)依哪份文件颁发证书?
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.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原理部分,实践部分,规范
b.fundamentals,basic,code原理部分,基础知识,规范
c.basic, vision test, fundamental基础部分,视力检测,原理
d.code,vision test,practical规范,视力检测和实践部分
e.none of the above以上各项都不是
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规范可作为开卷考试使用的书本.
a.true正确
b.false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标准的焊接术语和定义
c.Guide to CWI Certification CWI证书指导
d.Requirements for CWI Certification CWI证书要求
e.none of the above以上各项都不是
Q1-20 API Standard 1104 covers the fabrication of cross-country bridges.API 标准1104
包括跨国桥梁的制作.
a.true正确
b.false错误
Q1-21 Some of the approved codes/standards for the open book portion of the CWI 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:开始工
作分配前,焊接检验员应决定:
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包括以上各项
第2章
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 D1.1
b.API 1104
c. ANSI Z49.1
d.ASME Section VIII
e.ASME B31.3
Q2-3 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中的”安全操作”
b.OSHA OSHA
c.ASME Code ASME 标准
d.Welding Handbook,Volume 2焊接手册第二卷
e.none of the above以上各项都不是
Q2-5 The abbreviation‘MSDS’means:MSDS是什么的缩写:
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以上各项都不是
Q2-6 The 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 Value 定位长度
d.Threshold Limiting Valve下线数据
e.none of the above以上各项都不是
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.
人员必须培训以认知安全危害.
a.true正确
b.false错误
Q2-9 A‘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
Q2-10 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
Q2—11 Protective 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 b和c项
e.none of the above以上各项都不是
Q2-13 Before 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
Q2-14 In avoiding fumes during welding, the most important factor is:
焊接过程中避免烟尘,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焊接过程的种类
d.the position of the welding machine焊接机器的位置
e. the position of the welder’S head焊工的头的位置
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,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
Q2-17 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以上各项都是
Q2-18 Proper usage and handling of compressed gas cylinders include:
压缩空气容器的合适使用和处理包括:
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 合理保护
d.identifying the gas prior to use 在使用之前应进行确认
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 psi
b. 10 psi
c. 15 psi
d. 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包括b和c
Q2-22 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通向乙炔缸的所有通道
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所有由氧气瓶打开通
向底座的阀门
e.c and d above c和d
第3章
Q3-1 Which of the following is a function of the flux coating of a SMAW electrode?
以下什么是SMAW焊条的药皮的作用?
a.insulating
a. 绝缘
b.alloying
b, 合金化
c.deoxidation
c. 脱氧
d.shielding
d, 保护
e. all of the above
e. 以上都是
Q3-2 In 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的是什么
意思:
a.impact strength
a. 抗拉强度
b.electrode coating
b. 药皮特性
c.welding position
焊接位置
d.strength
强度
e.none of the above
以上都不对
Q3-3 Which 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的
e.none of the above
以上答案都不对
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
自动送焊丝
c.covered electrode
药皮焊条
d.electrode lead
焊条头
e.work lead
工件
Q3-5 Which 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
偏吹
d.insufficient welding current
电流减小
e.all of the above
以上答案都不对
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 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
Q3-8 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
以上答案都是
Q3-9 What 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
b.GMAW
c.FCAW
d.ESW
e.none of the above
以上答案都不对
Q3-11 In 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
实用性
e.none of the above
以上答案都不对
Q3-12 Which of the following is not always an essential element of an FCAW system?
以下哪些不是FCAW焊接方法必须的基本要素的?
a.constant voltage power supply
恒压
b.tubular electrode
管状焊丝
c.wire feeder
自动送丝
d.external shielding gas
外部保护气体
e.work lead
导电嘴
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?
a.nonconsumable electrode
非消耗电极
b.power supply
电源
c.shielding
气体保护
d.all of the above
以上都是
e.none of the above
以上答案都不对
Q3-14 Shielding 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
以上都不对
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
以上答案都不对
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
e.b and C above
Q3-17 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
a和b都对
e.a and c above
a和c都对
Q3-18 The 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
Q3-19 Solidification 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所产生的结晶裂纹?
a.SMAW
b.OFC
c.SAW
d.all of the above
以上都是
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
Q3-21 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
以上答案都不对
Q3-22 What 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
Q3-23 What 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,在单道上完成焊缝?
a.SAW
b.ESW
c.FCAW
d.a and b above
a和 b
e.b and c above
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
以上答案都不对
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.SMAW
b.ESW
c.SAW
d.OAW
e.none of the above
以上答案都不对
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
Q3-27 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
以上都对
e.none of the above
以上都不对
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
大的表面积用于接头连接
d.heat source
热源
e.all of the above
以上都对
Q3-29 Which of the following is an advantage of brazing?
钎焊的优点是?
a.ease of joining thick sections
厚截面连接容易
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
a和b
e.b and c above
b和 c
Q3-30 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
以上都不对
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
以上答案都对
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
b.CAC-A
空气碳弧切割
c.PAC
等离子弧切割
d.a and b above
a 和b
e.b and c above
b和 c
Q3-33 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
以上答案都不对
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
以上答案都是
e.a and c above
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
a 和b
e.none of the above
以上都不对
Q3-36 Which 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
a 和c
e.none of the above
以上都不对
第4章
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接
c.fillet 角焊缝
d.corner 角接
e.edge 端接接头
Q4-2 The 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
Q4-3 The 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,靠得最近的位置的术语是:
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 weld
metal is applied is:
在单面V型坡口焊缝中,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 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,在孔中焊接填满而得到的焊缝,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
Q4-6 The 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
Q4-7 The 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T形接头,角接接头或搭接接头中任一接头,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
Q4-8 The 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:
用来加厚较薄表面,加上一层防腐蚀层,或加上一层耐磨损材料,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 堆焊焊缝
Q4-9 The 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,进行施焊的这一面的焊缝表面的术语是:
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
Q4-11 In a completed weld,the term for the junction between the weld face and the base
metal is:
在完工焊逢中,焊逢面与母材金属之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
Q4-12 The term for the height of the weld face above the base metal in a groove weld is:
在坡口焊缝中,高出于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
Q4-13 In 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
Q4-14 When 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
Q4-16 In 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 焊合深度
b.diameter of weld at point of contact 接触面焊缝直径
c.depth of penetration 熔透深度
d.thickness 厚度
e.none of the above 以上都不是
Q4-18 The primary element of any welding symbol is referred to as the:
焊接符号的最基本要素是:
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
Q4-19 Information appearing above the reference line refers to the:
出现在参考线以上的信息是:
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
Q4-20 The 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 weld should go
设计师不知道焊缝应置于何处
d.that the welder should weld in whatever position the weld is in
焊工应在焊缝所在位置焊接
e.none of 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 flange 卷边对接
e.none of 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
Q4-25 In 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
Q4-26 If 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逢类型
.
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
Q4-28 The 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
Q4-29 The 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
Q4-30 In 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
Q4-31 The 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
Q4-35 The 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
Q4-36 The 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
b.skewed groove 斜坡口
c.sloped groove 斜面坡口
d.scarf 嵌接
e.none of the above 以上都不是
Q4-37 The part of the welding symbol which can be used to convey any additional
information that cannot be shown otherwise is referred to as:
焊接符号哪一个部位可以用来表示一些用其他方式无法表示的附加信息
a.the weld symbol 焊缝符号
b.the arrow 箭头
c.the reference line 基准线
d.the tail 尾部
e.none of the above 以上都不是
Q4-38 The welding symbol below shows what type of weld?
以下焊接符号表示的是什么类型焊缝?
a.gas metal arc spot weld 熔化极气体保护电弧点焊缝
b.resistance spot weld 电阻点焊缝
c.gas metal arc seam weld 熔化极气体保护电弧缝焊缝
d.resistance seam weld 电阻缝焊缝
e.gas metal arc slot weld 熔化极气体保护电弧塞焊缝
Q4-39 A number in parentheses just above/below the weld symbol in a welding symbol for
slot welds describes:
槽焊缝符号中,焊缝符号上/下圆括号中的数值表示:
a.the length of weld 焊缝长度
b.the type of welding 焊接形式
c.the number of welds required 所需焊缝数
d.the type of electrode to use 所用焊条型号
e.none of the above 以上都不是
Q4-40 A number not in parenthesis to the left of the groove weld symbol in a welding
symbol refers to the:
焊接符号中,坡口焊缝符号左边不在圆括号中的数值表示:
a.depth of bevel 斜面深度
b.the length of weld 焊缝长度
c.the weld quality standard 焊缝质量标准
d.the weld procedure to use 使用的焊接工艺
e.none of the above 以上都不是
Consider the welding symbols below for questions Q4-41 through Q4-44.
考虑以下焊接符号并回答问题Q4-41~Q4-44
Q4-41 Which of the symbols above represents an intermittent fillet weld?
以上哪个焊接符号表示断续角焊缝?
a.1
b.8
c.6
d.4
e.5
Q4-42 Which of the symbols above represents a groove weld with melt-through?
以上哪个焊接符号表示带熔穿的坡口焊缝?
a.2
b.3
c.6
d.7
e.none of the above 以上都不是
Q4-43 Which of the symbols above represents a plug weld not completely filled?
以上哪个焊接符号表示不完全填满的塞焊缝?
a.1
b.3
c.5
d.7
e.9
Q4-44 Which of the symbols above represents a groove weld with backing weld or back
weld?
以下哪个焊接符号表示打底焊缝或者封底焊缝?
a.1
b.2
c.6
d.7
e.9
第5章
Q5-1 Which of the following do not contain job quality requirements?
以下哪个选项不包含质量要求?
a.codes 规范
b.drawings 图纸
C.specifications 技术说明
d.textbooks,.教科书
e.standards 标准
Q5-2 Of the following,which may be considered mandatory?
以下哪个选项可考虑为强制性要求?
a.codes 规范
b.specifications 技术说明
c.standards 标准
d.all of the above 以上都是
e.none of the above 以上都不是
Q5-3 The job documents that best describe the size and configuration of a weldment are:
能够最好的描述焊接构件的尺寸和形状的文件是:
a.codes 规范
b.standards 标准
c.specifications 技术说明
d.drawings 图纸
e.none of the above 以上都不是
Q5-4 The type of document that has legal status by definition is:
以下哪类文件具有法律效应:
a.code 规范
b.standard 标准
c.specification 技术说明
d.both a and b above a和b都是
e.all of the above 以上都是
Q5-5 The type of document that describes the requirements for a particular material or
component is referred to as:
在以下哪种类型的文件阐述有关材料和组件的特殊要求:
a.code 规范
b.standard 标准
c.specification 技术说明
d.a and b above a和b
e.b and C above b和c
Q5-6 Something set up and established by authority as a rule to measure quantity,quality,
value,or weight is a:
由权威部门制定的一些有关数量,质量,数值或重量的等测量的文件是:
a.specification 技术说明
b.standard 标准
c.code 规范
d.drawing 图纸
e.none of the above 以上都不是
Q5-7 Of the following types of documents,which have general acceptance in the welding
industry?
以下类型的文件中,哪种被焊接界全面接受?
a.contracts 合同
b.standards 标准
c.specifications 技术说明
d.drawings 图纸
e.all of the above 以上都是
Q5-8 The code that covers the welding of steel structures is:
涵盖了钢结构焊接要求的是以下哪个规范:
a.ASME Section IX
b.ASME B31.1
c.API 1104
d.AWS Dl.l
e.ASME B31.3
Q5-9 The code that covers the design of metallic unfired pressure vessels is:
涵盖了非燃烧的金属压力容器的是哪个规范:
a.ASME Section XI
b.ASME Section VIII
c.ASME Section X
d.API 1104
e.AWS D1.1
Q5-10 The series of specifications covering the requirements for welding electrodes is
designated:
以下哪个系列的技术条件包括了焊条(丝)的技术要求:
a.AWS D1.X
b.AWS D14.X
c.AWS A5.1-A5.31
d.ASTM A 53
e.ASTM A 36
Q5-11 Which of the following methods for controlling materials in a fabrication shop is
most suitable for automation?
以下哪种方法最适合于在制作车间内控制材料:
a.color coding 色码
b.alphanumeric coding 数字编码
c.heat number transfer 炉批号移植
d.bar coding 条形码
e.segregation by alloy 合金分隔
Q5-12 Which Section of the ASME Code covers qualification of welders?
ASME规范中的哪一卷包括焊工技能评定?
a.Section V
b.Section XI
c.Section III
d.Section VIII
e.Section IX
Q5-13 Tolerances are required on drawings to:
图纸上的公差要求作用是:
a.guide the inspector on permissible size variations
指导检验员控制尺寸容许偏差
b.show the total amount of variation permitted from the design size
显示与设计尺寸的总的允许偏差
c.both a and b above a和b
d.none of the above 以上都不是
Q5-14 Tolerances can be expressed:公差可表达为:
a.as a variation between limits 在限定值之内的偏差
b.as plus or minus dimension 尺寸的增加和减少
c.as a design size with either a plus or a minus 设计尺寸的增加或减少
d.all of the above 以上都是
c.none of the above 以上都不是
Q5-15 Drawing notes can be classified as:图纸说明可分类为:
a.general 概要
b.local 局部的
c.specifications 技术说明
d.all of the above 以上都是
e.none of the above 以上都不是
Q5-16 Hold points refer to:停止点是指:
a.the points for lifting an object 工件的吊装停止点
b.a delay in fabrication to permit inspection
暂缓制作而允许进行检验
c.a shutdown at the end of the day
每天工作结束后的停工
d.none of the above 以上都不是
Q5-17 The welding inspector is not responsible for checking to make sure all welding and
testing personnel have adequate certifications.
焊接检验员没有责任检查以保证所有焊接和检测人员有合适的证明
a.true 对
b.false 错
Q5-18 The American Welding Society has developed how many welding codes?
美国焊接学会开发了多少焊接规范?
a.one 一
b.two 二
c.three 三
d.six 六
e.nine 九
Q5-19 When inspecting unfired pressure vessels to the ASME Code,the inspector will
usually use several different Sections.
当按ASME规范不燃烧压力容器时,检验员通常一些不同章节.
a.true 对
b.false 错
Q5-20 In what Section of the ASME Code are the filler materials found?
关于填充金属在ASME规范的哪一卷中?
a.Section III
b.Section II, Part C
c.Section II,Part D
d.Section IX
e.none of the above
Q5-21 Standards are never considered mandatory.标准决不被认为是强制性的。
a.true 对
b.false 错
Q5-22 Base metals used in fabrication can be bought to conform to which of the following?
制作中所用母材可以符合以下哪一项?
a.ASTM standards
ASTM标准
b.ASME Code,Section II,Parts A and B
ASME规范,Section II,Parts A and B
c.it is not required to specify base metals
对母材没有要求
d.a and b above a和b
e.none of the above 以上都不是
Q5-23 The AWS Specifications designated as refer to:
AWS的技术条件是指:
a.filler metals 填充金属
b.rules for bridgeipelines 横穿国家的管线
d.pressure vessel fabrication 压力容器
e.none of the above 以上都不是
Q5-24 An effective materials control system will:
一个有效的材料控制系统需要:
a.be as simple as possible 尽可能的简话
b.contain checks and balances 包括检查和平衡
c.not be necessary unless the fabrication is for nuclear work
除非制作核子工程,否则并非必需
d.be based on“first in-first out” 基于“第一时间进-第一时间出”
e.a and b above a和b
Q5-25 UNS refers to:UNS是指:
a.United Nondestructive Society 美国无损检测协会
b.United National Standards 美国国家标准
c.Unified National System 统一的国家标准
d.Unified Numbering System 统一的标号系统
e.none of the above 以上都不是
Q5-26 Who is normally responsible for the qualification of welding procedures and
welders? 通常由谁负责焊接工艺和焊工的评定?
a.welder 焊工
b.architect 建筑师
c.welder’s employer 焊工的雇主
d.engineer 工程师
e.Code body 规范
Q5-27 Which of the following processes is not considered prequalified in accordance with
AWS D 1.1?
根据AWS D 1.1,以下种焊接工艺不可免除评定?
a.shielded metal arc 药皮焊条电弧焊
b.submerged arc 埋弧焊
c.short-circuiting transfer gas metal arc
短路电弧-气体保护熔化电极电弧焊
d.spray transfer gas metal arc 喷射过渡-气体保护熔化电极电弧焊
e.flux cored arc 药芯焊丝电弧焊
Q5-28 Of the following types of test specimens,which is used by API and not ASME for
procedure and welder qualification testing?
以下哪类试样,是用以进行API而不是ASME的工艺和焊工评定试验?
a.face bend 面弯
b.root bend 根弯
c.side bend 侧弯
d.nick break 刻痕断裂
e.tensile 拉伸
Q5-29 What is the pipe welding position where the pipe remains fixed with its axis
horizontal,so the welder must weld around the joint?
管子固定、轴线水平放置、焊接时不转动,焊接时焊工必须绕着接头施焊,这
是什么焊接位置?
a.1G
b.2G
c.5G
d.6G
c.6GR
Q5-30 What is the pipe welding position where the axis of the pipe lies fixed at a
45°angle?
管子倾斜45°焊接时固定不旋转,这是管子的什么焊接位置?
a.1G
b.2G
c.5G
d.6G
e.none of the above 以上都不是
Q5-31 What is the pipe position test for welders who are trying to qualify to weld T-,K-,
and Y-connections?
焊工要评定管子T、Y或K形节点的焊接,以下哪种焊接位置适用?
a.1G
b.2G
c.5G
d.6G
e.6GR
Q5-32 If a welder qualifies to weld with an E6010 electrode,which is an F3 group
electrode,in AWS D1.1 and ASME Section IX they are also qualified to weld with
all of the following except:
如果焊工使用E6010焊条进行评定,此焊条属于F3类,那么在AWS D1.1 and
ASME Section IX中,哪么以下的什么焊条他的资格不能覆盖?
a.E601l
b.E6012
c.E7018
d.E7024
e.E601 3
Q5-33 With relation to procedure and welder qualification,which of the following can be
an important task for the welding inspector?
由于和工艺和焊工资质评定的关系,以下哪个选项对于焊接检验员来说是重要
任务?
a.watching the welding qualification test 观测焊接评定试验
b.identifying samples 鉴别试样
c.cutting and testing specimens 切割和检测试样
d.monitoring production welding to ensure the correct variables are used.
监督产品的焊接并且确保所用参数的准确
e.all of the above 以上都是
Q5-34 For most codes,if a welder continues to use a particular process and procedure,how
long does the welder’s qualification remain in effect?
对于大部分规范,如果焊工持续使用特定的焊接方法和工艺,那么这个焊工资
质可以持续多久?
a.indefinitely 不确定
b.6 months 6个月
c.1 year 1年
d.3 years 3年
e.until the welder produces a rejectable weld
直到该名焊工焊出了被拒收的焊缝为止
第6章
Q6-1 The property of metals that describes their resistance to indentation is called:
材料抵抗压痕或侵入的能力称为:
a.strength 强度
b.toughness 韧性
c.hardness 硬度
d.ductility 延展性
e.none of the above 以上都不是
Q6-2 The property of metals that describes their ability to carry a load is:
材料能够承受所加载荷的能力称为:
a.strength 强度
b.toughness 韧性
c.hardness 硬度
d.ductility 延展性
e.none of the above 以上都不是
Q6-3 Generally,as strength increases for carbon steels,the ductility:
通常,当碳钢的强度增加时,则延展性:
a.increases 增加
b.stays the same 没有变化
c.decreases 减少
d.is not related to strength 与强度无关
e.none of the above 以上都不是
Q6-4 The property that describes the ability of a metal to deform when stressed is:
金属在承受应力而变形的能力称为:
a.strength 强度
b.toughness 韧性
c.hardness 硬度
d.ductility 延展性
e.none ofthe above 以上都不是
Q6-5 The type of strength related to a metal’s behavior when the load is applied in a cyclic
manner is:
当金属材料承受施加的周期载荷时,与此有关的材料强度称为;
a.tensile 拉力
b.compressive 压力
c.torsional 扭力
d.impact 冲击力
e.fatigue 疲劳强度
Q6-6 The yield strength of a material is determined by:
材料的屈服强度由什么确定:
a.impact testing 冲击试验
b.tensile testing 拉伸试验
c.hardness testing 硬度试验
d.the Offset method 偏移测试
e.b and d above b和d都是
Q6-7 Which metal properties are directly related?
哪类金属材料性能是有直接联系的?
a.conductivity and strength 传到率和强度
b.strength and ductility 强度和延展性
c.strength and hardness 强度和硬度
d.ductility and toughness 延展性和韧性
e.c and d above c和 d
Q6-8 The ability of a metal to absorb energy is called:
材料吸收能量的能力称为:
a.strength 强度
b.ductility 延展性
c.hardness 硬度
d.toughness 韧性
e. none of the above 以上都不是
Q6-9 The metal property affected by the surface condition of the sample is:
材料性能受试样表面状态影响的是:
a.tensile strength 抗拉强度
b.UTS 极限抗拉强度
c.hardness 硬度
d.fatigue strength 疲劳强度
e.all of the above 以上都不是
Q6-10 Which alloying element is generally considered to have the most pronounced effect
on the properties and performance of carbon steel?
以下哪个合金元素对于碳钢的性能有显著的影响?
a.aluminum 铝
b.carbon 碳
c.manganese 锰
d.chromium 铬
e.none of the above 以上都不是
Q6-11 Which alloying element is commonly added to steel to improve its corrosion
resistance?
以下哪个合金元素通常被添加进钢材以提高抗腐蚀能力?
a.carbon 碳
b.aluminum 铝
c.silicon 硅
d.chromium 铬
e.none ofthe above 以上都不是
Q6-12 Hydrogen in the molten weld metal can cause:
氢在熔融焊接金属中会导致
a.undercut 咬边
b.overlap 焊瘤
c.cracking 裂纹
d.porosity 气孔
e.c and d above c和d
Q6-13 Which property cannot be determined from a tensile test?
哪类材料性能不能由拉伸试验确定?
a.ultimate tensile strength 极限抗拉强度
b.percent elongation延伸率
c.percent reduction of area 断面收缩率
d. impact strength—— 冲击强度
e. yield strength 屈服强度
Q6-14 A metal’s ductility can be expressed as:
金属的延展性可以表示为:
a.percent elongation 伸长率
b.percent reduction of area 断面收缩率
c.proportional limit 比例极限
d.a and b above a和b
e. b and c above b和c
Q6-15 A tensile specimen having a cross sectional area of 0.25 sq in breaks at a load of 1 5
250 lbs.What is its tensile strength?(Tensile Strength=Load/Area)
一个抗拉强度的试样,截面为0.25平方英寸,在受到15250lbs的载荷时断裂,
那么此试样的抗拉强度是多少?(抗拉强度=载荷/面积)
a.3813 psi
b.61 000 psi
c.6100 psi
d.58 500 psi
e.none of the above 以上都不是
Q6-16 The point at which a metal’S behavior changes from elastic to plastic(onset of
permanent deformation) is referred to as:
当金属材料从弹性变形到塑性变形(永久变形的开始),该点称为:
a.yield strength 屈服强度
b.ultimate tensile strength 极限抗拉强度
c.modulus of elasticity 弹性模量
d.Young’s modulus 杨氏模量
e.none of the above 以上都不是
Q6-17 What is the percent elongation of a specimen whose original gage length was 2 in
and final gage length was 2.5 in?
试样的原始长度是2in,最终长度是2.5in,那么该试验的延伸率是多少?
a. 30%
b. 25%
c. 50%
d. 40%,
e. none of the above 以上都不是
Q6-18 The family of hardness tests that uses both a minor and major load is called:
硬度测试时,要使用小载荷和主要载荷的方法称为:
a.Brinell 布氏硬度
b.Vickers 维氏硬度
c.Rockwell 洛氏硬度
d.Knoop 努普显微压痕硬度试验
e.none ofthe above 以上都不是
Q6-19 Which of the following tests are referred to as microhardness tests?
以下哪个测试是关于显微硬度测试的?
a.Rockwell 洛氏硬度
b.Vickers 维氏硬度
c.Knoop 努氏硬度
d.a and b above a和b
e.b and C above b和c
Q6-20 What type of test uses a weighted pendulum which strikes a notched test specimen?
以下哪类测试方法是利用摆锤来冲击试样的缺口?
a.Brinell tes 布氏硬度试验
b.fatigue test 疲劳试验
c.tensile test 拉伸试验
d.microhardness test 显微硬度试验
e.Charpy impact test 夏比冲击试验
Q6-21 Endurance limit is an expression used for what type of testing?
耐疲劳极限是用于以下哪类测试的?
a.fatigue 疲劳试验
b.hardness 硬度试验
c.soundness 完好性试验
d.tension 拉伸试验
e.none of the above 以上都不是
Q6-22 The metal property that relates to a metal’s deforming without failing is called:
材料变形但未失效的性能称:
a.tensile strength 抗拉强度
b.ductility 延展性
c.hardness 硬度
d.toughness 韧性
e.none of the above 以上都不是
Q6-23 Which test is not considered a soundness test?
以下哪类试验与完好性试验无关?
a.hardness 硬度试验
b.face bend 面弯试验
c.fillet break 角焊缝断裂
d.root bend 根部断裂
e.nick break 切口断裂
Q6-24 The type of testing used to evaluate the type of microstructure present in a metal is
called:
用来评估金属的微观组织行为的试验称为:
a.tensile 拉伸试验
b.hardness 硬度试验
c.toughness 韧性
d.metallographic 金相试验
e.none of the above 以上都不是
Q6-25 Which of the following tests can be used to judge the soundness of a weld?
下面的什么试验可以用以评判焊缝的完好性?
a.nick break 切口冲击试验
b.side bend 旁弯试验
c.face bend 面弯试验
d.fillet break 角焊缝断裂
e.all of the above 以上都是
Q6-26 Which of the following tests will generally be used to determine the behavior of a
metal at a specific temperature?
下面的什么试验一般用来确定金属在特定温度下的性能?
a.guided-bend test 导向弯曲试验
b.root-bend test 根部试验
c.Chamy impact test 夏比冲击试验
d.transverse fillet weld shear test 横向角焊缝剪切试验
e.all of the above 以上都是
Q6-27 With respect to the rolling direction of steel plate manufacture,which statement is
true?
对于钢板的轧制方向,下述什么说法正确?
a.The strength is highest in the‘Z’direction. Z向强度最高
b.The strength is lowest in the‘X’direction. X向强度最低
c.The strength is highest in the‘X’direction. X向强度最高
d.The strength is highest in the‘Y’direction. Y向强度最高
e.The strength is lowest in the‘Y’direction Y向强度最低
Q6-28 The fillet weld break test is used to evaluate the:
角焊缝断裂试验用以评估
a.quality of the fractured weld 断裂焊缝的质量
b.ductility of the weld metal 焊缝金属的延展性
c.impact strength of the weld 焊缝冲击强度
d.tensile strength of the base metal 母材的抗拉强度
e.none of the above 以上都不是
Q6-29 The welding inspector is not concerned with the mechanical and chemical properties
of metals.
焊接检验员与金属的力学性能和化学性质无关。
a.true 对
b.false 错
Q6-30 For plain carbon steels,their approximate tensile strength can be estimated by
multiplying their BHN by:
对于普通碳素钢,其大致的抗拉强度可以通过乘以下述的哪个布氏硬度值来估
算?
a.400
b.300
c.100
d.200
e.500
Q6-31 Notch toughness and impact strength are not synonymous.
缺口韧性和冲击强度不同义。
a.true 对
b.false 错
Q6-32 Phosphorus and sulfur are added to carbon steel to improve:
碳钢中添加磷和硫是为了改善钢的什么性能:
a.ductility 延展性
b.toughness 韧性
c.weld ability 焊接性能
d.impact strength 冲击强度
e.none of the above 以上都不是
Q6-33 To improve the low temperature properties of carbon steels,the most likely alloy
addition would be:
为了改善碳钢的低温性能,最合适加入的合金是:
a.manganese 锰
b.carbon 碳
c.nickel 镍
d.chromium 铬
e.none of the above 以上都不是
Q6-34 Hydrogen,oxygen,and nitrogen can all cause embrittlement in carbon steels.
氢、氧和氮都能导致碳钢的脆性。
a.true 对
b.false 错
Q6-35 Gage marks on a tensile specimen are:
标记在拉伸试样上的刻度是:
a.scratches caused by improper handling 操作不当引起的擦伤
b.marks caused by using a gage to measure sample area 测量试样面积
c.spaced a set distance apart 使分开一个距离
d.used for calculating percent elongation 用来计算延伸率
e.c and d above c和d都是
Q6-36 The offset method is used for determining which property?
偏移法用于确定哪个材料性能?
a.yield strength 屈服强度
b.tensile strength 抗拉强度
c.hardness 硬度
d.fatigue strength 疲劳强度
e.impact strength 冲击强度
Q6-37 Surface preparation is not an important step in destructive testing.
在破坏性试验中表面处理不是重要的步骤。
a.true 对
b.false 错
Q6-38 The Brinell hardness test is always a destructive test.
布氏硬度试验总是一种破坏性试验。
a.true 对
b.false 错
Q6-39 In Charpy testing,the test temperature is:
夏比冲击试验中,试验温度是:
a.not important 不重要的
b.very important 很重要
c.not considered 不需要进行考虑的
d.never reported 没有提及过
e.none of the above 以上都不是
Q6-40 In Charpy testing,the test data can be reported as:
在夏比冲击试验中,试验数据是以怎样的方式进行报告的:
a.foot pounds energy absorbed 吸收的英尺-磅能量
b.lateral expansion 横向膨胀
c.percent shear 切应力百分比
d.all of the above 以上都是
e.offset data 补偿数据
Q6-41 The objective of the guided bend test is to break the sample.
导向弯曲试验的目的是要断裂试样
a.true 对
b.false 错
第7章
Q7-1 A 50.0 1b can of welding electrodes weighs how mang kg?
50.0磅焊条是多少公斤?
a. 227 kg
b. 25 kg
c. 22.7 kg
d. 23 000 kg
e. none of the above以上都不是
Q7-2 A weld joint is measured and found to be 345 mm long.How long is that joint in
terms of in?
一个焊接接头经测量长度为345mm。换算成英制是多少英寸?
a.135 in
b.13.58 in
c.8760 in
d.876 in
e.13.0 in
Q7-3 What is the wire feed speed that is measured to be 175 in/min?
焊接速度为175in/min,换算成米制为多少?
a.0.070 m/s
b.74.0 mm/s
c.7.4 mm/s.
d.70 mm/s
e.75 mm/s
Q7-4 Which of the following are the proper base unit(s)for linear measurement in the
U.S.system?
在美国体系中下面哪个单位是恰当的线性测量单位?
a.yard码
b.inch英寸
c.foot英尺
d.mile英里
e.all of the above以上都不是
Q7-5 What is the base unit(according to AWS)for measuring mass in the SI system?在SI
系统中,测量质量的基本单位是什么(根据AWS)?
a.meter米
b.kilogram千克
c.megapascal 百万帕斯卡
d.1iter公升
e.none of the above以上都不是
Q7-6 A gas flow rate of 30 cfh is what in l/min?
当气体的流速为30 cfh 时,可以换算成下述的哪一个 升/分钟(l/min)?
a.1.4 l/min
b.14 l/min
c.140 l/min
d.64 l/min
e.640 l/min
第8章
Q8-1 As a metal is heated:
当金属加热时:
a. energy is added to the structure能量被加到结构中
b. the atoms move further apart原子运动到了更远的地方
c. the atoms vibrate more vigorously原子更加激烈的运动
d. the metal expands母材膨胀
e. all of the above以上所有
Q8-2 The state of matter which exhibits the least amount of energy is:
以上哪种形式储存的能量最少:
a.solid固体
b.1iquid液体
c.gas气体
d.quasi-liquid类似液体
e.none of the above以上都不是
Q8-3 A problem occurring in weldments caused by the non-uniform heating produced by
the welding operation is:
在焊接操作中不均匀的加热容易造成哪种缺陷:
a.porosity气孔
b.incomplete fusion未熔合
c.distortion变形
d.slag inclusions夹杂
e.none of the above以上都不是
Q8-4 Which of the following is not a method used to eliminate or reduce residual stresses?
以下哪种方法不被用作消除或者减小残余应力:
a.vibratory stress relief 震动消除压力
b.external restraint 外部约束
c.thermal stress relief 加热消除应力
d.peening 锤击
e.annealing 退火
Q8-5 The type of alloying in which the alloy atoms are located in the spaces between the
atoms of the parent metal is referred to as:
下面的哪种类型的合金原子存在于基材的原子与原子的空隙之中?
a.atomic alloying 原子合金
b.substitutional alloying 置换合金
c.space alloying 空隙合金
d.interstitial alloying 间隙合金
e.none of the above 以上都不是
Q8-6 Rapid quenching of steel from the austenitic range results in a hard,brittle structure
known as;
快速淬火会使奥氏体变成又硬又脆的组织是:
a.pearlite 珠光体
b.carbide 碳化物
c.cementite渗碳体
d.ironite
e.martensite马氏体
Q8-7 Very slow cooling of steel may result in the production of a soft,ductile
microstructure which has a lamellar appearance when viewed under high
magnification.This structure is referred to as:
钢慢慢冷却时会产生软的易延展的微观结构,通过高倍放大镜下可以看到其
呈层状。这种组织是:
a.martensite马氏体
b.pearlite珠光体
c.bainite贝氏体
d.ferrite铁素体
e.cementite渗碳体
Q8-8 When rapid cooling produces a martensitic structure,what sub-critical heat treatment
may be applied to improve the ductility of the steel?
当快速冷时产生马氏体,哪种亚临界热处理可以改变钢的延展性?
a.quenching淬火
b.tempering回火
c.annealing退火
d.normalizing正火
e.none of the above以上都不是
Q8-9 It is determined that a welding procedure is creating an excessive heat input.Which
of the changes listed below would result in a reduction of the heat input?
当被认定焊接工艺会造成较大热输入的时候,下列哪个方法可以减小热输
入?
a.decrease current减少焊接电流
b.decrease voltage 减少焊接电压
c.increase travel speed 增大前进速度
d.change from weave to stringer bead technique 将摆动技术改为窄焊道技术
e.all of the above以上都是
Q8-10 The use of preheat will tend to:
采用预热可以:
a.result in a wider heat-affected zone可以造成更宽的热影响区
b.produce lower heat-affected zone hardness减小热影响区的硬度
c.slow down the cooling rate降低冷却速度
d.reduce the tendency to produce martensite in the heat—affected zone减小热影响区产生
马氏体的趋势。
e.all of the above以上都是
Q8-11 Which of the following changes will warrant an addition or increase in the required
preheat?
以下哪种改变有理由需要增加预热?
a.decreased carbon equivalent减少碳当量
b.increased carbon equivalent增加碳当量
c.increased base metaI thickness增加母材厚度
d.a and C above以上a和b
e.b and C above以上b和c
Q8-12 What heat treatment is characterized by holding the part at the austenitizing
temperature for some time and then slow cooling in the furnace?
将零件在奥氏体的温度状态保持一段时间,然后在炉子里边慢慢冷却,这
是下面哪一种热处理方式?
a.normalizing正火
b.quenching淬火
c.anneallng退火
d.tempering回火
e. stress relief应力释放
Q8-13 What heat treatment is characterized by holding the part at the austenitizing
temperature for some time and then coolin~in still air?
将零件在奥氏体的温度状态保持一段时间,然后在静止的空气里冷却,这
是下面哪一种热处理方式?
a.normalizing正火
b.quenching淬火
c.annealing退火
d.tempering回火
e.stress relief应力释放
Q8-14 Steel heated above the lower transformation temperature(A1)will change
metallurgical structure.This temperature is:
当加热的钢高于较低的转变温度(A1)的时候可以改变母材的冶金结构。
这个温度是多少:
a.1333°F 1333华氏度
b.933°F 933华氏度
c.1560°F 1560华氏度
d.3600°C 3600摄氏度
e.none of the above以上都不是
Q8-15 Atoms in the solid (frozen) state:
原子在固体(凝固)状态
a.have a specific“home”position 有一个特殊的‘家’的位置
b.have no distinct structure 没有清楚的结构
c.are essentially fixed in a definite structured position基本上固定在一定的结构
位置
d.a and c above a与c
e.none of the above 以上都不是
Q8-16 What is the heat input for a molten weld pool at 5 ipm travel speed,25 volts,and
100 amperes? (Refer to page 10—8 for Formula)
请计算相应的热输入:焊接速度为5英寸/分钟,电压为25伏,电流为
100安培(请参照第10页第8个公式)
a.300 J/in
b.300 000 J/in300000j/in
c.30 000 J/in30000j/in
d.3.633 J/in3.633j/in
e.none of the above以上都不是
Q8-17 One way that atoms are added to a pure metal to form an alloy is:
原子加入到纯金属中形成合金的一种途径是:
a.peening锤击
b.substitutionallv置换
c.automatically自动
d.solidification凝固
e.sensitizing 光敏处理
Q8-18 The process where carbon is added to the surface of a steel to harden it is:
以下哪一种方法可以将碳元素加入到钢铁表面,以增加硬度:
a.decarburization 脱碳
b.pack carburizing固体渗碳
c.precipitation hardening淀积硬化
d.quenching淬火
e.none of the above以上都不是
Q8-19 Steel exists in which of the following crystal structures?
钢是下面哪一种晶体结构?
a.HCP
b.FCC
c.BCC
d.all of the above 以上都是
e.BCT
Q8-20 Which of the following usually follows quenching?
以下哪道工序通常跟在淬火之后进行?
a.tempering回火
b.stress relieving应力释放
c.normalizing正火
d.annealing退火
e.none of the above以上都不是
Q8-21 Which of the following can be accomplished using either thermal or mechanical
techniques?
以下哪一种能够用加热,或者机械的技术予以完成?
a.annealing退火
b.tempering回火
c.quenching淬火
d.stress relieving应力释放
e.none of the above以上都不是
Q8-22 Which of the following results in the softest condition for carbon steel?
以下哪一种加工可以导致碳钢成最软的状态?
a.annealing退火
b.quenclalng淬火
c.stress relmvlng应力释放
d.tempering回火
e.normalizing正火
8-23 For a steel having a chemical composition of:0.16%
carbon,0.84%manganese,0.09% nickel,0.25% chromium,0.052% copper,and 0.40
%molybdenum,what is its Carbon Equivalent?
一个钢的化学成分如下:碳0.16%,锰0.84%,镍0.09%,铬0.25%,铜
0.052%,钼0.40%,请计算其碳当量?
%Mn%Ni%Cr%Cu%Mo
++++ CE=%C+
6155134
a.0.23
b.0.34
c.0.37
d.0.41
e.0.46
Q8-24 Stainless steels are defined as having at least what percent chromium?
不锈钢按定义,其最少含铬量为多少?
a.7%
b.12%
c.15%
d.20%
e. 30%
Q8-25 Sensitization,or carbide precipitation,of austenitic stainless steels can be reduced
by which of the following methods?
通过以下哪种方法,可以减少奥氏体不锈钢的敏感、碳化物沉淀?
a.solution annealing,water quenching 固溶退火,水中淬火
b.using stabilized grades containing titanium or niobium(columbium)
应用含钛或者铌之类的稳定元素
c.using the low carbon grades of stainless steels应用低碳不锈钢
d.all of the above以上全都是
e.using high carbon stainless steels应用高碳不锈钢
Q8-26 Metals must be molten for diffusion to occur.
金属必须熔化才能扩散
a.true 对
b.false 错
Q8-27 Hydrogen can diffuse into a solid metal at room temperature.
氢在室温下可以扩散到固态金属中
a.true 真
b.false 假
Q8-28 Metals can diffuse into each other when both are in the solid form.
当两个金属都呈固态情况下可以相互扩散。
a.true真
b.false假
Q8-29 The process whereby nitrogen diffuses into the surface of carbon steel is:
哪种方法可以使氮扩散到碳钢的表面:
a.sensitization 7
b.nitrogen removal 脱氮
c.carburizing渗碳
d.nitriding 渗氮
e.none ofthe above以上都不是
Q8-30 Welding metallurgy is concerned with the changes in the metals during welding.
焊接冶金是金属在焊接过程中的变化。
a.true 对
b.false错
第9章
Q9-1 A discontinuity is:
不连续是:
a.always a defect 总是缺陷
b.always a reject 总是不合格
c.always acceptable 总是合格的
d.rejectable if it exceeds code limits 如果超过了规范的限定,则不合格
e.none of the above 以上都不是
Q9-2 Whether a particular weld discontinuity is critical can be judged on the basis of:
特定的焊缝不连续是否临界,可在下述基础上予以判定:
a.Whether it is surface or subsurface 是否是表面的,或表面下
b.Whether it is linear or nonlinear 是否是线性,或非线性
c.Whether it has a sharp end condition 是否端部呈尖锐状态
d.all of the above 以上都是
e.none of the above 以上都不是
Q9-3 What discontinuity is generally considered to be the most severe?
哪种缺陷一般被认为是最严重的?
a.porosity 气孔
b.incomplete fusion 未熔合
c.slag inclusion 夹渣
d.crack 裂纹
e.arc strike 电弧引燃
Q9-4 Which of the following discontinuities is less likely to be found visually?
以下的那种缺陷不可能由目见发现?
a.toe crack 焊趾裂纹
b.undercut 咬边
c.lamellar tear 层状撕裂
d.overlap 焊瘤
e.none of the above 以上都不是
Q9-5 Underbead crack can result from which of the following welding practices?
焊道下裂纹能由以下哪一个操作所引起?
a.use of wet electrodes 使用湿焊条
b.welding on contaminated steels 在污染的钢材上焊接
c.welding over paint 在油漆层上焊接
d.all of the above 以上都是
e.none of the above 以上都不是
Q9-6 The weld discontinuity that results from improper termination of the welding arc is
referred to as:
以下哪一种情况是由于不恰当的焊接收弧(停止焊接)所引起?
a.undercut 咬边
b.overlap 焊瘤
c.crater crack 弧坑裂纹
d.incomplete fusion 不完全熔合
e.all of the above 以上都是
Q9-7 Of the following processes,which is unlikely to have slag inclusions in a completed
weld?
以下焊接方法中,哪种完工焊缝不太可能产生夹渣。
a.SMAW
b.PAW
c.FCAW
d.SAW
e.none of the above 以上都不是
Q9-8 The discontinuity that results from the entrapment of gas within the weld cross
section is referred to as:
以下缺陷中,由于焊缝横截面滞留了气体而引起的不连续是:
a.crack 裂纹
b.slag inclusion 夹渣
c.incomplete fusion 未融合
d.porosity 气孔
e.none of the above 以上都不是
Q9-9 What weld discontinuity results when the welder travels too slowly,causing excess
weld metal to flow out of the joint and lay on the base metal surface without fusing?
以下哪种焊接缺陷是由于焊工焊接速度太慢,导致多余的焊接金属流出接
头,堆积在母材表面且未熔合?
a.undercut 咬边
b.underfill 未填满
c.overlap 焊瘤
d.incomplete fusion 未融合
e.none of the above 以上都不是
Q9-10 What weld metal discontinuity results when the welder fails to completely fill the
weld groove?
哪种焊缝缺陷是由于焊工没能将焊缝坡口填满造成的?
a.underfill 未填满
b.undercut 咬边
c.overlap 焊瘤
d.incomplete fusion 未融合
e.none of the above 以上都不是
Q9-11 Excessive weld metal buildup on a groove weld is referred to as:
过多的焊接金属堆积在坡口焊缝位置称为:
a.excess convexity 过分凸起
b.excess weld reinforcement 焊缝余高过大
c.overfill 溢出
d.all of the above 以上都是
e.none of the above 以上都不是
Q9-12 The weld discontinuity that results from the initiation of the welding arc outside the
weld joint is refefred to as:
由于在焊接接头外部引弧而导致的焊接缺陷称为:
a.incomplete fusion 未融合
b.undercut 咬边
c.overlap 焊瘤
d.scratch start 划痕
e. arc strike 电弧擦伤
Q9-13 What weld discontinuity shows up as a light region on radiograph?
哪种焊接缺陷在底片上呈现出明亮的区域?
a.porosity 气孔
b. tungsten inclusion 夹钨
c.slag inclusion 夹渣
d.a and b above a和b
e.b and c above b和c
Q9-14 Which of the following is a base metal discontinuity that is associated with the
stresses induced from welding?
以下哪种是母材缺陷,它伴随着焊接的应力而发生?
a.1amination 分层
b.lamellar tear 层状撕裂
c.seam 卷边
d. pipe shrinkage 管状收缩
e. none of the above 以上都不是
Questing Q9-1 5 through Q9-19 refer to the figure shown below:
问题Q9-1 5到Q9-19请参考下图:
Q9-15 What discontinuity is shown by #12b?
12b所示是什么缺陷?
a. longitudinal crack 纵向裂缝
b. transverse crack 横向裂缝
c. underbead crack 焊道下裂纹
d. toe crack 焊趾裂纹
e. root crack 根部裂纹
Q9-16 What step-like discontinuity is shown by #11?
11所示台阶状的缺陷是?
a.1amination 分层
b.porosity 气孔
c.lamellar tear 层状撕裂
d.seam 裂开
e.1ap 焊瘤
Q9-17 What discontinuity is shown by #12g?
12g所示是什么缺陷?
a.toe crack 焊趾裂纹
b.incomplete fusion 不完全熔合
c.root crack 根部裂纹
d.1amellar tear 层状撕裂
e.underbead crack 焊道下裂纹
Q9-18 What discontinuity is shown by #5?
5所示是什么缺陷?
a.undercut 咬边
b.underfill 未填满
c.overlap 焊瘤
d.incomplete fusion 不完全熔合
e.toe crack 焊趾裂纹
Q9-19 What discontinuity is shown by #10?
10所示是什么缺陷?
a.1amination 分层
b.seam 裂开
c.delamination 剥离
d.base metal crack 母材裂纹
e.incomplete fusion不完全熔合
第10章
Q10-1 Which of the following nondestructive testing methods are limited to the detection
of surface discontinuities?
以下哪种无损检测方法仅限于检验表面缺陷?
a.visual 目检
b.penetrant 渗透
c.radiographic 射线
d.a and b above a和b
e.b and c above b和c
Q10-2 To be most effective,visual inspection should be performed:
为了最有效,目检应该这样进行:
a.before welding 在焊接前
b.during welding 在焊接过程中
c.after welding 在焊接完成后
d.all of the above 以上都是
e.none of the above 以上都不是
Q10-3 The time period during which the penetrant remains on the surface of the part,
allowing it to be drawn into any surface discontinuities is called:
渗透剂从构件表面进入到表面缺陷内的时限称为:
a.waiting time 等待时间
b.penetrating time 渗透时间
c.soak time 浸透时间
d.dwell time 居留时间
e.none of the above 以上都不是
Q10-4 Which type of magnetizing current provides the best iron particle mobility?
哪种磁化电流能提供最好的铁原子移动?
a.AC
b.DC
c.DCEP
d.b and c above b和c
e.all of the above 以上都是
Q10-5 What MT technique could be used for the discovery of longitudinal flaws?
哪种MT技术可以用于发现纵向缺陷?
a.head shot (circular magnetism) XXXX法(环状磁场)
b.side shot 边磁化法
c.coil shot(longitudinal magnetization) 线圈磁化法(纵向磁场)
d.a and b above a和b
e b and c above b和c
Q10-6 Which of the following magnetizing methods produce a circular magnetic field in
the test piece?
下述哪种磁化方法在试件上形成一个环状磁场?
a.head shot (XXXX法?)
b.passing an electrical current through the part 在工件上通过一道电流
c.prod 触头法
d.all of the above 以上都是
e.none of the above 以上都不是
Q10-7 Which of the following magnetizing methods can produce a longitudinal magnetic
field in the test piece?
下述哪种磁化方法可以在试件上形成一个纵向磁场?
a.head shot (XXXX法)
b.coil shot 线圈磁化法
c.yoke 磁轭法
d.a and b above a和b
e.b and c above b和c
Q10-8 What NDT method is best for evaluating subsurface porosity?
哪种NDT方法在评估表层下气孔是最好的?
a.PT
b.MT
c.RT
d.VT
e.all of the above 以上都是
Q10-9 Which of the following statements is correct for radiographic testing?
以下关于射线检测的说法,哪项是正确的?
a.A reduction in thickness will produce a lighter image on the film.
厚度减少的位置会在底片上产生亮的图像。
b.A low density discontinuity will produce a lighter image on the film.
低密度的缺陷会在底片上产生亮的图像。
c.A high density discontinuity will produce a lighter image on the film.
高密度的缺陷会在底片上产生亮的图像。
d.a and b above a和b
e.b and c above b和c
Q10-10 Radiographic testing(RT)can be performed using which of the following?
使用以下哪一项可以进行射线检测(RT)?
a.X—ray machine X-射线机
b.Cesium 137 铯 137
c.Iridium 192 铱 192
d.Cobalt 60 钴 60
e.all of the above 以上都是
Q10-11 MT can be used most effectively to inspect which of the following?
以下哪一项使用MT最有效?
a.austenitic stainless steel welds on carbon steel
碳钢上的奥氏体不钢焊缝。
b.austenitic stainless steel welds on stainless steel
不锈钢上的奥氏体不锈钢焊缝。
c.carbon steel welds on carbon steel
碳钢上的碳钢焊缝。
d.a and b above a和b
e.b and c above b和c
Q10-12 Which of the following discontinuities will not usually be revealed using RT? 以下
哪种缺陷一般不能通过RT显现?
a.crack 裂纹
b.incomplete joint penetration 接头未融合
c.porosity 气孔
d.lamination 分层
e.none of the above以上都不是
Q10-13 What device is used during radiography to indicate the resolution sensitivity of a
radiograph?
在使用射线检测时,哪种设备可以用来确认底片分辨率的灵敏度?
a.IQI 图像指示器
b.dosimeter 放射量测定器
c.lead screen 铅屏
d.all of the above 以上都是
e.none of the above 以上都不是
Q10-14 Which nondestructive test method uses sound energy as a probing medium? 哪项
无损探伤检验方法使用声波为探测媒介?
a.MT
b.RT
c.UT
d.PT
e.ET
Q10-15 The process whereby ultrasonic indications are related to dimensions in a test
standard is referred to as;
通过一个测试标准使得超声波能读取尺寸的过程称为:
a.setup 设置
b.calibration 校准
c.standardization 标准化
d.synchronization 同步
e.none of the above 以上都不是
Q10-16 As-welded groove welds are usually inspected ultrasonically using what technique?
焊接完成的坡口焊缝通常使用何种超声技术?
a.straight beam 直射波束
b.shear wave 剪切波
c.angle beam 斜射波束
d.b and c above b和c
e.all of the above 以上都是
Q10-17 Capillary action plays a role in which NDT method?
毛细现象在哪种NDT技术中起作用?
a.ET
b.UT
c.RT
d.PT
e.MT
Q10-18 Which NDT method is considered to be a true volumetric test?
哪种NDT技术可认为是对体积的测定?
a.RT
b.UT
c.PT
d.MT
e.VT
Q10-19 Which NDT method uses an alternating current coil?
哪种NDT技术使用交流线圈?
a.MT
b.UT
c.ET
d.a and c above a和c
e.b and c above b和c
Q10-20 Changes in heat treatment can be measured using which NDT method?
使用哪种NDT技术可以测定由于热处理而产生的变化?
a.ET
b.RT
c.MT
d.UT
e.none of the above 以上都不是
Q10-21 Which of the following NDT methods can detect surface cracks?
下述哪种NDT方法可以检测表面裂纹?
a.RT
b.VT
c.ET
d.PT
e.all of the above 以上都是
Q10-22 Which NDT method is most likely to reveal subsurface laminations in a rolled
plate?
哪种NDT技术对发现扎制钢板中的分层最有效?
a.RT
b.UT
c.ET
d.MT
e.none of the above 以上都不是
Q10-23 Piezoelectricity is a properly used by which NDE method?
哪种NDE技术使用压电现像?
a. ET
b. UT
c. RT
d. a and b above a和b
e. b and c above b和c
Q10-24 Which is the best technique for orienting magnetic lines of force when conducting
MT testing?
进行MT时,哪种是标定磁力线最好的方法?
a.two directions 双向法
b.single direction 单向法
c.residual magnetism 剩磁法
d.all of the above 以上都是
e.none of the above 以上都不是
Q10-25 What resolution sensitivity is normally required for RT?
一般RT要求多少分辨率?
a.2%
b.4%
c.5%
d.7%
e.9%
Q10-26 What is the basic element of evaluation in any quality control program?
质量控制程序的基本的评估要素是什么?
a.radiographic testing 射线检测
b.penetrant testing 渗透试验
c.visual inspection 目检
d.all of the above 以上都是
e.none of the above 以上都不是
Q10-27 When should the applicable job documents be reviewed?
什么时候应该对适用的工作文档进行审核?
a.after the job is completed 在工作完成后
b.before welding begins 在焊接开始前
c.at any time when information is necessary 任何需要该信息的时候
d.a and b above a和b
e.b and c above b和c
Q10-28 What is the role of the AWS CWI in NDE?
Q10-29
Q10-30
Q10-31
AWS的CWI在NDE方面扮演什么角色?
a.see that inspections are done 了解是否进行了检验
b.verify personnel qualifications for NDE inspection 确认NDE人员的资质
c.prepare proper records 准备适当的记录
d.see that proper records are maintained 了解是否保存了适当的记录
e.all of the above 以上都是
A number in parentheses just above or below a test symbol describes:
一个括弧内的数字标记于检测符号的上面或下面,用来描述:
a.the length of weld to be tested 需要进行检测的焊缝的长度
b.the extent of testing 检测的范围
c.the number of tests to perform 进行检测的数量
d.the type of test to perform 需要进行检测的类型
e.none of the above 以上都不是
A number to the right of a nondestructive testing symbol refers to the:
在无损检测符号右边的数字表示:
a.number of tests to perform 需要进行检测的数量
b.the length of weld to be tested
需要进行检测的焊缝长度
c.the applicable quality standard 适用的质量标准
d.the test procedure to use 使用的检测方法
e.none of the above 以上都不是
Test information above the reference line refers to the arrow side.
在箭头基准线上面的检测信息表示箭头侧.
a.true 正确
b.false 错误
WIT-Useful Formulae
WIT-使用公式
Area of Square or Rectangle
正方形或者长方形面积
Area=length × width or: Area=width×thickness
面积=长×宽 或 面积=宽×厚
Area or Circle
圆形面积
diameter
2
or Area=0.7854×diameter
2
Area=π× radius or Area=π×
4
2
面积=π×半径
2
或 面积=π×直径
2
/4 或 面积=0.7854×直径
2
Percent Elongation
伸长率
%Elongation=
FinalGageLength
−
OriginalGrageLength
×100
OriginalGrageLength
伸长率(%)=((最终标尺长度-最初标尺长度)/最初标尺长度)
×100
Percent Reduction of Area
断面收缩率
Original Area-Final Area
%Reduction of Area=---------------------------------------×100
Original Area
断面收缩率(%)=((起始面积-最终面积)/起始面积)
×100
Tensile Strength
抗拉强度
Pmax
UTS= where: P max.=load to break specimen
Area
Area=specimen’s original cross-sectional area
UTS=
Pmax
/面积 其中:
Pmax
=试样断裂载荷
面积=试样原始横截面积
Pipe
管子
UTS for full section pipe=
Pmax
0.7854(OD
2
−ID
2
)
全截面管子UTS=
Pmax
/(0.7854(
OD
2
−ID
2
))
Yield Strength
屈服强度
YS=
Loadatspecifiedoffset
Originalcross−sectionalarea
YS=达到规定变形量时的强度/原始横截面积
Welding Heat Input
焊接热输入
J/in=
V×A×60
where: J = Joules(energy)
TravelSpeed
(
ipm
)
V=welding voltage
A =welding amperage
ipm=inches per minute
J/in=
(V
×A×60
)/焊接速度(ipm) 其中:J=焦耳(能量)
V=焊接电压
A=焊接电流
Ipm=英寸/分
Carbon Equivalent
碳当量
%Mn%Ni%Cr%Cu%Mo
CE=%C+++++
61551314
Welding Usage Conversion Chart-U.S.Customary and SI
焊接使用的美国惯用单位制和公制转换表
To: Multiply By:
Property’ To convert From:
转变前 转变为 乘以
性质
22
area dimensions in mm 6.452×10
2
面积 mm
2
in
2
1.550×10
-3
current density A/in
2
A/mm
2
1.550×10
-3
电流密度 A/mm
2
A/in
2
6.452×10
2
deposition rate
熔敷率
flow rate
流率
heat input
热输入
linear measure
长度
Mass
质量
Pressure
压力
Temperature
温度
tensile strength
抗拉强度
travel speed
焊接速度
Vacuum
真空
wire feed speed
送丝速度
Lb/hr
Kg/hr
ft
3
/h
1/min
J/in
J/m
ln
mm
ft
mm
lb
kg
psi
psi
kPa
MPa
bar
psi
°F
°C
psi
MPa
in/min
mm/s
Pa
in/min
mm/s
kg/hr
lb/hr
L/min
Ft
3
/h
J/m
J/in
mm
in
mm
ft
kg
1b
KPa
Mpa
Psi
Psi
Psi
bar
°C
°F
Mpa
psi
mm/s
in/min
torr
mm/s
in/min
0.454
2.205
4.719×10
-1
2.119
39.37
2.54×10
-2
25.4
3.937×10
-2
3.048×10
2
3.281×10
-3
0.454
2.205
6.895
6.895×10
-3
0.145
1.450×10
2
14.50
6.9×10
-2
(°F-32)/1.8
(°C-1.8)+32
6.895×10
-3
13450×10
2
4.233×10
-1
2.362
7.501×10
-3
0.423
2.362
各章习题答案
第1章 第2章 第3章 第4章 第5章
Q5-1 d
Q5-2 d
Q5-3 d
Q5-4 a
Q5-5 e
Q5-6 b
Q5-7 e
Q5-8 d
Q5-9 b
Q5-10 c
Q5-11 d
Q5-12 e
Q5-13 c
Q5-14 d
Q5-15 d
Q5-16 b
Q5-17 b
Q5-18 e
Q5-19 a
Q5-20 b
Q5-21 b
Q5-22 d
Q5-23 a
Q5-24 e
Q5-25 d
Q5-26 c
Q5-27 c
Q5-28 d
Q5-29 c
Q5-30 d
Q5-31 e
Q5-32 c
Q5-33 e
Q5-34 a
Q1-1 e Q2-1 e Q3-1 c
Q4-1
c
Q1-2 c Q2-2 c Q3-2 c
Q4-3
b
Q1-3 b Q2-3 e Q3-3 a
Q4-4
c
Q1-4 b Q2-4 b Q3-4 b
Q4-5
d
Q4-6 a
Q1-5 d Q2-5 c Q3-5 c
Q4-7 c
Q1-6 c Q2-6 b Q3-6 d
Q4-8 e
Q1-7 a Q2-7 a Q3-7 a
Q4-9
b
Q1-8 e Q2-8 a Q3-8 e
Q4-10
c
Q1-9 b 02-9 d Q3-9 d
Q4-11 e
Q4-12 d
Q1-10 e Q2-10 d Q3-10 d
c
Q1-11 e Q2-11 b Q3-11 b
Q4-13
Q1-12 a Q2-12 d Q312 d
Q4-14 a
b
Q1-13 e Q2-13 a Q3-13 a
Q4-15
Q4-16 c
Q1-14 d Q2-14 e Q3-14 c
Q4-17 b
Q1-15 b Q2-15 b Q3-15 a
Q4-18
c
Q1-16 a Q2-16 b Q3-16 c
Q4-19
d
Q1-17 b Q2-17 e Q3-17 c
Q4-20
c
Q1-18 a Q2-18 e Q3-18 c
Q4-21
b
b
Q1-19 b Q2-19 c Q3-19 c
Q4-22
a
Q1-20 b Q2-20 b Q3-20 b
Q4-23
e
Q1-21 a Q2-21 e Q3-21 b
Q4-24
Q4-25 c
Q1-22 e Q2-22 e
Q3-22 c
Q4-26 a
Q3-23 b
Q4-27
e
Q3-24 b
Q4-28
b
Q3-25 d
Q4-29 d
Q3-26 b
Q4-30
a
c
Q3-27 c
Q4-31
d
Q3-28 e
Q4-32
e
Q3-29 c
Q4-33
Q4-34 c
Q3-30 d
Q4-35 c
Q3-31 c
Q4-36 d
Q3-32 e
Q4-37
d
Q3-33 c
Q4-38
c
Q3-34 d
Q4-39 c
Q3-35 c
Q4-40
a
Q3-36 a
Q4-41 e
Q4-42 e
Q4-43 b
Q4-44 a
第6章 第7章 第8章 第9章 第10章
c Q8-1 e Q9-1 d Q10-1 d
Q6-2 a
Q7-2
b Q8-2 a Q9-2 d Q10-2 d
Q6-3 c
Q7-3
b Q8-3 c Q9-3 d Q10-3 d
Q6-4 d
Q7-4
e Q8-4 b Q9-4 c Q10-4 a
Q6-5 e
Q7-5
b Q8-5 d Q9-5 d Q10-5 a
Q6-6 e
Q7-6
b
Q8-6 e Q9-6 c Q10-6 d
Q6-7 e
Q8-7 b Q9-7 b Q10-7 e
Q6-8 d
Q8-8 b Q9-8 d Q10-8 c
Q6-9 e
Q8-9 e Q9-9 c Q10-9 c
Q6-10 b
Q8-10 c Q9-10 a Q10-10 e
Q6-11 d
Q8-11 e Q9-11 b Q10-11 c
Q6-12 e
Q8-12 c Q9-12 e Q10-12 d
Q6-13 d
Q8-13 a Q9-13 b Q10-13 a
Q6-14 d
Q8-14 a Q9-14 b Q10-14 c
Q6-15 b
Q8-15 d Q9-15 b Q10-15 b
Q6-16 a
Q8-16 c Q9-16 c Q10-16 d
Q6-17 b
Q8-17 b Q9-17 e Q10-17 d
Q6-18 c
Q8-18 b Q9-18 a Q10-18 b
Q6-19 e
Q8-19 d Q9-19 b Q10-19 d
Q6-20 e
Q8-20 a Q10-20 a
Q6-21 a
Q8-21 d Q10-21 e
Q6-22 b
Q8-22 a Q10-22 b
Q6-23 a
Q8-23 e Q10-23 b
Q6-24 d
Q8-24 b Q10-24 a
Q6-25 e
Q8-25 d Q10-25 a
Q6-26 c
Q8-26 b Q10-26 c
Q6-27 c
Q6-28 a
Q8-27 a Q10-27 e
Q6-29 b
Q8-28 a Q10-28 e
Q6-30 e
Q8-29 d Q10-29 c
Q6-31 b
Q8-30 a Q10-30 b
Q6-32 e
Q10-31 b
Q6-33 c
Q6-34 a
Q6-35 e
Q6-36 a
Q6-37 b
Q6-38 b
Q6-39 b
Q6-40 d
Q6-41 b
Q6-1 c
Q7-1
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