American Welding Society & Moody International China
Q 3-15 在钨焊条上的绿色条纹指的是：（A green stripe on a tungsten electrode designates:）
a. 纯钨 (Pure Tungsten)
b. 1% 涂钍钨 (1% thoriated tungsten) c. 2% 涂钍钨 (2% thoriated tungsten) d. 锆化钨 (Zirconiated tungsten)
e. 无以上任何一个 (None of the above)
Q 3-16 当用GTAW工艺焊接铝时，哪种焊接电流是最通常使用的？
(When welding aluminum with the GTAW process, what type of welding current is most commonly
used?)
a. DECP b. DECN c. AC d. a 和 b e. b 和 c
Q 3-17 SAW和ESW在哪个方面相似？（SAW and ESW processes are similar in that）
a. 二者都是电弧焊工艺 (Both are an arc welding process) b. 二者都用保护气体(Both use shielding gases)
c. 都用要熔化颗粒药剂(Both use a granular flux, which becomes molten) d. a和b e. a和 c
Q 3-18 下列图描述了什么焊接工艺？(The diagram below depicts what welding process)
a. SMAW b. ESW c. FCAW d. SAW e. GMAW
Page 1 of 9 Workbook
American Welding Society & Moody International China
Q 3-19 由于不适当的焊道宽深比所形成的固化开裂是由于哪一种焊接工艺引起的严重问题？（Solidification cracking due to improper width-to-depth ratio of the weld bead is a serious problem primarily with which welding process?）
a. SMAW b. OFC c. SAW
d. 所有以上的 (All of the above)
e. 无以上任何一个 (None of the above)
Q 3-20 下列哪个工艺通常用于平面位置， 除非要求用特殊的装置？ (Which one of the following processes is typically used in the flat position unless special apparatus is employed?)
a. GMAW b. SAW c. FCAW d. SMAW e. GTAW
Q 3-21下列哪个对于GTAW和PAW来说并不寻常？
（Which of the following are not common to both GTAW and PAW）
a. 非消耗钨焊条 (Nonconsumable tungsten electrode) b. 收缩口 (Constricting orifice)
c. 保护气体管口 (Shielding gas nozzle)
d. 用在外部的填充金属 (Externally applied filler metal) e. 无以上任何一个 (None of the above)
Q 3-22 在使用PAW时使用什么技术可以得到全焊透的焊缝，而无需端部准备？
(What technique is employed with PAW to produce full penetration welds without edge preparation?)
a. 线状焊道 (Stringer beads) b. 摆动焊道 （Weave beads） c. 小孔技术 （Keyhole） d. 分段退焊道 (Backstep)
e. 无以上任何一个 (None of the above)
Q 3-23 下列哪种焊接工艺可以形成一条沿着接头向上焊的单道焊缝。
(What welding process produces welds in a single pass, with the progression uphill along the joint?) a. SAW b. ESW c. FCAW d. a和b e. b和c
Page 1 of 9 Workbook
American Welding Society & Moody International China
Q 3-24 下列哪一种不是ESW工艺的优点 (Which of the following is not an advantage of the ESW process?)
a. 高熔敷率 (High deposition rate) b. 容易调整 (Ease of setup)
c. 能够连接厚的部分 (Capable of joining thick sections) d. 无角变形的趋向 (No tendency for angular distortion) e. 无以上任何一个 (None of the above)
Q 3-25 哪一种焊接工艺可以认为是化学焊接工艺？
(Which welding process is considered to be a chemical welding process?) a. SMAW b. ESW c. SAW d. OAW
e. 无以上任何一个 (None of the above)
Q 3-26 哪一种焊接工艺可以提供一个非常有效的将附件连接到某个平表面上的方法？
（Which are welding process provides a very efficient means of joining attachments to some planar
surfaces?）
a. OAW b. SW c. GMAW d. GTAW e. SMAW
Q 3-27 钎焊不同于焊接的是：（Brazing differs from welding in that）
a. 不用填充金属 (No filler metal is used)
b. 作用含氧燃料火焰 (An oxyfuel flame is used) c. 底板没有熔化 （The base metal is not melted） d. 所有以上的 (All of the above)
e. 无以上任何一个 (None of the above)
Q 3-28 为了达到一个满意的结果，钎焊的接头应是：（For satisfactory results, a braze joint should have）
a. 干净的连接表面 (Clean joint surfaces)
b. 二个连接件之间小间隙 (A small clearance between pieces to be joined) c. 连接区域是大表面积 (A large surface area for the joint area) d. 热源 (Heat source)
e. 所有以上的 (All of the above)
Page 1 of 9 Workbook
American Welding Society & Moody International China
Q 3-29 下列哪一个是钎焊的优点 (Which of the following is an advantage of brazing?)
a. 连接厚部分较容易 (Ease of joining thick sections)
b. 能够连接不相似的金属 (Ability to join dissimilar metals) c. 能够连接薄部分 (Ability to join thin sections) d. a和b e. b和c
Q 3-30 下列哪一种金属不能被氧燃气有效的切割 (Of the following metals, which cannot be efficiently cut using OFC?)
a. 高碳钢 （High-carbon steel） b. 低碳钢 (Low-carbon steel) c. 中碳钢 (Medium-carbon steel)
d. 奥氏体不锈钢 (Austenitic stainless steel) e. 无以上任何一个 (None of the above)
Q 3-31 下列哪些气体可以用于氧燃气切割？
(Which of the following gases can be used to perform OFC?) a. 丙炔-丙二烯 (Methylacetylene-propadiene MPS) b. 丙烷 (Propane) c. 乙炔 (Acetylene) d. 甲烷 (Methane) e. 以上所有的
Q 3-32 下列哪种切割 工艺可以切割任何金属？ （Which of the following cutting processes can cut any metal?）
a. 氧燃气 (OFC) b. CAC-C c. PAC d. a和b e. b和c
Q 3-33 切割的宽度可以认为：(The width of a cut is referred to as the)
a. 缝 (Gap) b. 渣滓 (Dross) c. 切口 (Kerf) d. 拖 (Drag)
e. 无以上任何一个 （None of the above）
Q 3-34 SMAW的电源可以是：(The SMAW power source can be:)
a. DCEN b. AC c. DCEP
d. 所有以上的 e. a和b
Page 1 of 9
Workbook
American Welding Society & Moody International China
Q 3-35 下列哪一种是非接触焊接工艺，不需要焊条并不受电磁场的干扰？ (Of the following, which is a noncontact welding process, requires no electrodes, and is not influenced by the presence of magnetic fields?)
a. ESW b. PAW c. LBW d. a和b
e. 无以上任何一个
Q 3-36 下列哪一种焊接方法是使用电子聚焦束作为熔合焊的热源？ （Which of the following uses a focused beam of electrons as a heat source for fusion welding?）
a. EBW b. ESW c. EGW d. a和b
e. 无以上任何一个
Page 1 of 9 Workbook