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Q6-20 什么样的试验使用带自重的摆锤去撞击做缺口试验的试(What type of test uses a weighted pendulum which strikes a notched test specimen?) a. Brinell test

b. 疲劳试验(Fatigue test) c. 拉伸试验(Tensile test)

d. 显微硬度试验(Microhardness test) e. 夏比冲击试验(Charpy impact test)

Q6-21 耐性极限用于解释何种形式的试验(Endurance limit is an expression used for what type of testing?) a. 疲劳(fatigue) b. 硬度(hardness) c. 稳固(soundness) d. 张力(tension)

e. 无以上任何一个(none of the above)

Q6-22 有关金属变形但没有失效的金属特性称为(The metal property that relates to a metal?s deforming without failing is called:) a. 拉伸强度(tensile strength) b. 可塑性(ductility) c. 硬度(hardness) d. 韧性(toughness)

e. 无以上任何一个(none of the above)

Q6-23 下列哪种试验没有被认为是稳固试验(Which test is not considered a soundness test?

a. 硬度(hardness) b. 面弯(face bend) c. 角裂(fillet break) d. 背弯(root bend) e. 缺口破坏(nick break)

Q6-24 用于评估在一金属中显微结构的试验形式(The type of testing used to evaluate the type of microstructure present in a metal is called:) a. 拉伸(tensile) b. 硬度(hardness) c. 韧性(toughness) d. 金相(metallographic)

e. 无以任何一个(none of the above)

Q6-25 Which of the following tests can be used to judge the soundness of a weld?

a. 缺口破坏(nick break)

b. 侧弯(side bend) c. 面弯(face bend) d. 角破坏(fillet break) e. 所有以上的(all of the above)

Q6-26 下列哪种试验通常用于决定一种金属在特定温度下的表现(Which of the following tests will generally be used to determine the behavior of a metal at a specific temperature?)

a. 导向弯曲试验(guided-bend test) b. 背弯试验(root-bend test) c. 夏比冲击试验(Charpy impact test)

d. 横向角焊缝剪切试验(transverse fillet weld shear test) e. 所有以上(all of the above)

Q6-27 有关钢板制造的轧制方向,下列哪个是真实的?(With respect to the rolling direction of steel plate manufacture, which statement is true?) a. 强度在?Z?方向最高(The strength is highest in the “Z” direction) b. 强度在?X?方向最低(The strength is lowest in the “X” direction) c. 强度在?X?方向最高 (The strength is highest in the “X” direction) d. 强度在?Y?方向最高 (The strength is highest in the “Y” direction) e. 强度在?Y?方向最低 (The strength is lowest in the “Y” direction)

Q6-28 角焊缝破坏试验用于评估:(The fillet weld break test is used to evaluate the:)

a. 破碎焊缝的质量(quality of the fractured weld) b. 焊缝金属的塑性(ductility of the weld metal) c. 焊缝的冲击强度(impact strength of the weld) d. 母材的拉伸强度(tensile strength of the base metal) e. 无以上任何一个(none of the above)

Q6-29 焊接检验师不准关心金属的机械和化学性能(The welding inspector is not concerned with the mechanical and chemical properties of metals.) a. 真(true) b. 假(false)

Q6-30 对于普通的碳钢来说,其大约拉伸强度可用布氏硬度数乘以下列哪个数来估计(For plain carbon steels, their approximate tensile strength can be estimated by multiplying their BHN by:) a. 400 b. 300 c. 100 d. 200 e. 500

Q6-31 缺口韧性和冲击强度不是同义的(Notch toughness and impact strength are not synonymous.) a. 真(true) b. 假(false)

Q6-32 钢中加磷和硫是为了增加:(Phosphorus and sulfur are added to carbon steel to improve:) a. 塑性(ductility) b. 韧性(toughness) c. 可焊性(weldability) d. 冲击强度(impact strength) e. 无以一任何一个(none of the above)

Q6-33 为了改善碳钢的低性能,最有可能被加入的合金是:(To improve the low temperature properties of carbon steels, the most likely alloy addition would be:) a. 锰(manganese) b. 碳(carbon) c. 镍 (nickel) d. 铬(chromium) e. 无以上任何一个(none of the above)

Q6-34 氢,氧和氮都可引起碳钢的脆化(Hydrogen, oxygen, and nitrogen can all cause embrittlement in carbon steels.) a. 真(true) b. 假(false)

Q6-35 在一拉伸试板上的测量痕迹是(Gauge marks on a tensile specimen are:) a. 由不适当的处理所引起的划痕(scratches caused by improper handling) b. 是由用一测量器具测量样品区域所引起的痕迹(marks caused by using a gage to measure sample area)

c. 把组合距离分隔(spaced a set distance apart)

d. 用于计算拉长百分比(used for calculating percent elongation) e. 上述的c和d(c and d above)

Q6-36 偏装法是用于决定哪种特性?(The ?offset method? is used for determining which property?)

a. 屈服强度(yield strength) b. 拉伸强度(tensile strength) c. 硬度(hardness) d. 疲劳强度(fatigue strength) e. 冲击强度(impact strength)

Q6-37 在破坏试验中,表面准备不是重要的一个步骤(Surface preparation is not an important step in destructive testing.) a. 真(true) b. 假(false)

Q6-38 布氏硬度试验总是一种破坏性试验(The Brinell hardness test is always a destructive test.)

a. 真(true) b. 假(false)

Q-6-39 在夏比试验中,试验温度是:(In Charpy testing, the test temperature is:)

a. 不重要(not important) b. 非常重要(very important) c. 不考虑(not considered) d. 从不报告(never reported) e. 无以上任何一个(none of the above)

Q6-40 在夏比试验中,试验数据可以如下报告:(In Charpy testing, the test data can be reported as:)

a. 被吸收的尺英磅能量(foot pounds energy absorbed) b. 侧面膨胀(lateral expansion) c. 剪切百分比(percent shear) d. 所有以上的(all of the above) e. 补偿参数(offset data)

Q6-41 导向弯曲试验的目的是破坏样品(The objective of the guided bend test is to break the sample.)

a. 真(true) b. 假(false)

American Welding Society & Moody International China Welding Inspection Technology Workbook 焊接检验技术工作手册 Module 7 第7单元

Metric practice for welding inspection 焊接检验的公制换算练习 请不要在此书上书写! Don’t write in this book!

换算参数,请参照在10-9页“通常焊接术语换算图”。公式请参照10-8页。(For conversion Factors, refer to “Conversion Chart for Common Welding Terms” on page 10-9 of the workbook and for Formulae refer to page 10-8.)

Q7-1 一个50磅的焊条筒重多少公斤(A 50.0 lb can of welding electrodes weighs how many kg?)

a. 227kg b. 25kg c. 22.7kg d. 23,000kg e. 无以上任何一个(none of the above)

Q7-2 一个测量的焊接接头长345mm。那么多少英吋(A weld joint is measured and found to be 345 mm long. How long is that joint in terms of inches?) a. 135 in. b. 13.58 in c. 8760 in. d. 876 in. e. 13.0 in

Q7-3 测得为175 in/min的金属丝进料速度是什么(What is the wire feed speed that is measured to be 175 in/min?)

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 下列哪一种是美国单位系统用于线性测量的合适的基本单位(Which of the following are the proper base unit(s) for linear measurement in the U.S. system?) a. 码(yard) b. 英吋(inch) c. 英尺(foot) d. 英哩(mile) e. 所有以上的(all of the above)

Q7-5 (根据美国焊接协会) 哪个基本单位在国际标准系统中用于测量质量(What is the base unit (according to AWS) for measuring mass in the SI system?) a. 米(meter)

b. 公斤(kilogram) c. 兆帕(megapascal) d. 公升(liter) e. 无以一任何一个(none of the above)