中的金属接触传递(MAW?)a.短路(Shortcircuiting)b.喷溅(Spray)c.球状(Globular)d.小滴状(Droplet)e.脉冲弧(Pulsedarc)Q3-7下列哪种GMAW的金属接触传递情况会提供最低的热量到工件,并且造成未熔透倾向?(WhichofthefollowingtypesofmetaltransferinGMAWprovidesthelowestamountofheattotheworkpiece,pletefusion?)a.短路(Shortcircuiting)b.喷溅(Spray)c.球状(Globular)d.小滴状(Droplet)e.脉冲弧(Pulsedarc)Q3-8下列哪种气体可以用于GMAW保护气体?(MAW?a.二氧化碳(Carbondioxide)b.氩-氧(Argon-oxygen)c.氩-二氧化碳(Argon-carbondioxide)d.氩气(Argon)e.所有以上(Alloftheabove)Q3-9下列图示是哪种焊接工艺?(Whattypeofweldingprocessispicturedbelow?)a.SMAWb.GMAWc.FCAWd.SAWe.ESWQ3-10下列哪些不是电弧焊工艺?(Whichofthefollowingisnotconsideredanarcweldingprocess?)a.SMAWb.GMAWc.FCAWd.ESWe.无以上任一个(Noneoftheabove)Q3-11在对FCAW焊条命名系统中,在焊条标注(E71T-5)的第2位数字(1)是表示:(IntheelectrodedesignationsystemforFCAW,theseconddigit(1)inanelectrodemarked(E71T-5)refersto:)a.强度(Strength)
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