{"name":"服装整烫工题库","level":"五级 / 四级 / 三级 / 二级 / 一级","org":"人力资源和社会保障部门","count":300,"questions":[{"id":1,"type":"single","stem":"熨烫涤纶面料时，熨斗温度应控制在哪个范围才能避免极光又保证定型效果","options":["120～140℃","150～170℃","180～200℃","210～230℃"],"answer":[1],"explanation":"涤纶属热塑性纤维，熔点约255℃，安全熨烫温度为150～170℃。120～140℃温度偏低，定型效果不足且需反复熨烫；180～200℃接近软化点，易产生极光和熔融；210～230℃已超过安全上限，会直接损伤面料。","tier":"基础"},{"id":2,"type":"single","stem":"整烫工熨烫羊毛精纺西服前，在面料上覆盖一层湿布的主要目的是什么","options":["防止熨斗金属底板被面料磨花","利用蒸汽穿透纤维并防止极光","让布料颜色在高温下更加鲜艳","降低熨斗底板温度至安全范围"],"answer":[1],"explanation":"羊毛精纺面料直接接触高温熨斗易产生极光，覆盖湿布可产生蒸汽使纤维充分回软定型并保护表面。防止底板磨花不是覆盖湿布的功能；湿布与颜色鲜艳无关；湿布虽会降低传热速率，但主要目的不是调温。","tier":"基础"},{"id":3,"type":"single","stem":"蒸汽熨斗使用完毕后，正确的日常保养顺序是什么","options":["先倒尽余水再通电烘干水箱","先冷却熨斗再排空水箱余水","先关闭蒸汽阀再拔电源倒水","先拔电源待冷却后倒净余水"],"answer":[3],"explanation":"正确顺序为先断电、待自然冷却后倒净余水，防止烫伤和余水结垢。先倒水再通电烘干可能空烧损坏发热元件；先冷却再排空虽接近但不强调断电步骤；先关蒸汽阀再拔电源倒水，热态操作有烫伤风险且残留水汽不利保养。","tier":"基础"},{"id":4,"type":"single","stem":"熨烫粘合衬与面料压烫时，若发现粘合后局部起泡，最可能的原因是","options":["压烫温度偏低且压力不足","压烫温度偏高且时间过长","面料含湿量过高且未预缩","粘合衬涂胶面朝上放置了"],"answer":[0],"explanation":"粘合起泡常见原因是温度不够、压力不足或时间过短，导致胶点未充分熔融浸润。温度偏高时间过长会过烫损伤而非起泡；含湿量高易产生水渍和粘合不牢但不是起泡主因；涂胶面朝上则完全粘不住而非局部起泡。","tier":"挑战"},{"id":5,"type":"single","stem":"整烫丝绸面料时，为避免出现水渍，最恰当的做法是什么","options":["喷水后立即用高温熨斗压烫","垫干布低温熨烫并少喷水","垫湿布用中温反复推熨","直接中温干烫不加水"],"answer":[1],"explanation":"丝绸对水渍敏感，应垫干布低温熨烫并尽量少喷水。喷水后高温压烫必然留水渍；垫湿布中温反复推熨也会产生水渍和极光；直接中温干烫温度仍偏高，真丝易受损且无法消除已有褶皱。","tier":"基础"},{"id":6,"type":"single","stem":"在整烫工序中，判断熨斗底板温度是否适合某面料，最可靠的操作方法是什么","options":["用手掌靠近底板感受热辐射","在面料边角试烫后观察效果","观察熨斗指示灯亮灭频率","听熨斗接触面料时的声响"],"answer":[1],"explanation":"在面料边角或不显眼处试烫并观察定型效果与有无损伤，是最可靠的实用判断法。手感热辐射不可靠且危险；指示灯只反映通电状态不反映实际温度；听声响无法判断温度是否合适。","tier":"基础"},{"id":7,"type":"single","stem":"熨烫针织物时，正确的操作手法是什么","options":["用力压熨并来回推拉熨斗","轻压短时熨烫避免拉伸","高温长时间压烫定型","湿布覆盖后大力压烫"],"answer":[1],"explanation":"针织物线圈结构易变形，应轻压、短时熨烫避免拉伸。用力来回推拉会使线圈歪斜；高温长时间压烫会使织物板结失弹；湿布大力压烫同样导致变形和极光。","tier":"基础"},{"id":8,"type":"single","stem":"整烫完成的服装在挂放冷却前，正确的处理方式是什么","options":["立即折叠装入包装袋","趁热整理造型后挂起冷却","喷水后叠放压平","用冷风吹拂加速定形"],"answer":[1],"explanation":"整烫后应趁热整理造型并挂起自然冷却，使纤维在冷却过程中固定形态。立即折叠装袋会使热态褶皱固定；喷水叠放会产生新皱纹；用冷风急吹会造成冷却不均导致回缩变形。","tier":"基础"},{"id":9,"type":"single","stem":"熨烫深色棉质衬衫领口时，若要避免极光，应选用哪种方式","options":["高温直接压烫领面","垫布中温熨烫领面","喷水后高温反复熨烫","用蒸汽近距离直喷领面"],"answer":[1],"explanation":"深色棉织物直接高温压烫易产生极光，应垫布用中温熨烫。高温直接压烫必然产生极光；喷水后高温反复熨烫同样产生极光和水渍；蒸汽近距离直喷会造成局部过湿留下水痕。","tier":"基础"},{"id":10,"type":"single","stem":"某整烫工熨烫一件涤棉混纺衬衫，发现前襟出现不规则亮斑，下一步最合理的处置是什么","options":["继续高温熨烫将亮斑烫平","降低温度垫布重新轻熨","用湿布覆盖后大力压烫","喷水后立即用高温定型"],"answer":[1],"explanation":"亮斑是极光初期表现，应降低温度并垫布轻熨使其消退。继续高温会加重极光；湿布大力压烫会扩大极光和水渍；喷水后高温定型同样加重损伤。","tier":"挑战"},{"id":11,"type":"single","stem":"熨烫羊绒大衣时，蒸汽量与温度应如何配合才能既定型又不损伤纤维","options":["高温大蒸汽短时冲烫","中温适量蒸汽配合垫布","低温小蒸汽反复推熨","高温干烫后喷水补湿"],"answer":[1],"explanation":"羊绒纤维娇贵，应用中等温度、适量蒸汽并垫布熨烫，使纤维均匀回软定型。高温大蒸汽会缩绒和损伤手感；低温小蒸汽反复推熨效率低且易变形；高温干烫后喷水会造成水渍和收缩不均。","tier":"进阶"},{"id":12,"type":"single","stem":"整烫涤纶衬衫时，蒸汽熨斗的底板温度应控制在哪个范围，才能既定型又不使面料泛光熔融","options":["110~130℃","140~160℃","170~190℃","200~220℃"],"answer":[1],"explanation":"知识点为常见化纤面料的熨烫温度。涤纶属热塑性纤维，140~160℃可软化定型且不损伤；110~130℃温度偏低难以定型；170~190℃接近涤纶软化点易产生极光；200~220℃会致熔融粘连。","tier":"基础"},{"id":13,"type":"single","stem":"整烫毛呢西服前胸部位时，直接在正面高温压烫容易产生极光，正确的做法是","options":["垫干布低温轻压","垫湿布中温压烫","悬空喷汽不接触","垫布并加大压力"],"answer":[1],"explanation":"知识点为毛织物极光防治。垫湿布中温压烫可借水分缓冲热量并让毛纤维回缩定型，避免极光；垫干布低温轻压定型不足；悬空喷汽无法压出平整度；加大压力会加剧极光并压塌绒面。","tier":"挑战"},{"id":14,"type":"single","stem":"熨烫真丝乔其纱连衣裙时，为防止绸面出现水渍和抽缩，蒸汽量应如何调节","options":["开大蒸汽快烫","中汽配合垫布","小汽低温悬烫","关汽干烫定型"],"answer":[2],"explanation":"知识点为轻薄丝织物的熨烫给汽方式。真丝乔其纱组织疏松，大汽易留水渍并致抽缩，宜小汽低温悬烫；开大汽快烫会留水渍；中汽垫布仍偏重；关汽干烫则无法回缩定型。","tier":"进阶"},{"id":15,"type":"single","stem":"整烫羊毛针织衫的领口和袖口罗纹时，为防止罗纹被拉长变形，熨烫时应","options":["用力向两侧拉伸熨烫","顺罗纹方向轻推熨烫","垂直罗纹方向横推","悬空喷汽自然回缩"],"answer":[1],"explanation":"知识点为针织罗纹的整烫方向。罗纹弹性靠线圈结构，顺纹轻推可恢复平整且不破坏弹性；向两侧拉伸会永久拉长；垂直方向横推会压散线圈；仅悬空喷汽无法烫平褶皱。","tier":"进阶"},{"id":16,"type":"single","stem":"使用真空吸风烫台整烫薄型面料时，吸风的作用是","options":["加速面料冷却定型","吸走面料表面绒毛","降低熨斗底板温度","增加蒸汽穿透深度"],"answer":[0],"explanation":"知识点为吸风烫台的功能。吸风将面料吸附并加速水分与热量散出，使织物快速冷却定型；吸风不用于去绒毛；不改变熨斗温度；也不增加蒸汽穿透。","tier":"基础"},{"id":17,"type":"single","stem":"整烫含氨纶的弹力牛仔布时，为防止面料回弹变形，熨烫后应","options":["趁热立即拉伸整形","冷却后再移动面料","热态下折叠堆放","喷冷水快速降温"],"answer":[1],"explanation":"知识点为弹性面料的定型冷却。含氨纶织物须在冷却后定型才稳定，热态拉伸或折叠会致变形；喷冷水会造成水渍和收缩不均。","tier":"基础"},{"id":18,"type":"single","stem":"熨烫粘合衬女装前片时，发现衬布局部起泡脱胶，正确的处置是","options":["提高温度重新压烫","补喷蒸汽再压烫","加垫湿布低温补压","更换衬布重新粘合"],"answer":[3],"explanation":"知识点为粘合衬脱胶的补救。起泡脱胶说明该处胶粒已失效或污染，需更换衬布重新粘合；提高温度会烫焦面料；补汽无法恢复胶层；加湿布低温补压同样粘不牢。","tier":"挑战"},{"id":19,"type":"single","stem":"整烫羊绒大衣时，熨斗在绒面上往复摩擦会导致绒面倒伏发亮，正确的操作是","options":["顺毛方向轻刷后蒸汽熏烫","逆毛方向用力推烫","加大压力来回压烫","干烫后硬刷起绒"],"answer":[0],"explanation":"知识点为绒面织物的整烫手法。羊绒宜顺毛轻刷配合蒸汽熏烫使绒面蓬松；逆毛推烫会压乱绒毛；加大压力来回压烫致倒伏发亮；干烫硬刷会损伤纤维并起球。","tier":"进阶"},{"id":20,"type":"single","stem":"蒸汽熨斗使用中突然喷出大量水滴弄湿衣料，最先应检查的部件是","options":["底板涂层是否磨损","水箱水温是否过高","蒸汽阀与汽道是否积垢","电源电压是否稳定"],"answer":[2],"explanation":"知识点为熨斗喷水故障排查。喷水滴多因汽道或蒸汽阀积垢堵塞使冷凝水被带出，应先检查清洁；底板涂层、水温、电压均不直接导致喷水滴。","tier":"挑战"},{"id":21,"type":"single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后果是","options":["面料表面产生极光并局部熔融","面料纤维吸湿后自然回缩","面料颜色随温度升高逐渐加深","面料表面出现规律性水渍印"],"answer":[0],"explanation":"化纤多为热塑性纤维，超温会熔融或产生极光。吸湿回缩主要与蒸汽和张力有关，不是超温的典型后果；升温不会使颜色普遍加深；规律水渍印通常与滴水或蒸汽带水有关。","tier":"进阶"},{"id":43,"type":"single","stem":"熨烫毛料西服前胸部位时，为避免产生极光，通常采取的做法是","options":["垫干布后低温轻压并配合蒸汽","直接高温重压使呢面平整挺括","表面喷水后立即用熨斗反复推压","关闭蒸汽用熨斗干烫至完全干燥"],"answer":[0],"explanation":"毛料易起极光，需垫布、控温并给湿。直接高温重压会压出亮光；喷水后反复推压易使呢面发亮；干烫会使毛料板结且更易产生极光。","tier":"进阶"},{"id":44,"type":"single","stem":"蒸汽熨斗使用中突然出现喷水（滴水）现象，最合理的下一步处置是","options":["暂停使用并检查温度是否达到汽化要求","继续熨烫并加快移动速度","将熨斗倒置排出余水后继续","调低蒸汽量并加大压烫力度"],"answer":[0],"explanation":"喷水多因温度不足、冷凝水积聚或水路异常，应先停机检查温度与排水。继续熨烫会污染面料；倒置排水只是临时动作且可能烫伤；调低蒸汽量不一定解决冷凝水问题。","tier":"挑战"},{"id":45,"type":"single","stem":"压烫粘合衬时，若粘合后衬布与面料之间出现局部气泡，最可能的原因是","options":["压烫时间不足或压力分布不均","粘合温度低于衬布熔点但压力偏大","面料含湿量过高且冷却过快","压烫后立即进行蒸汽定型"],"answer":[0],"explanation":"气泡多因粘合不牢，常见于时间不足、压力不均或温度不够。压力偏大通常有助于粘合；含湿量高且冷却快可能影响效果但不是气泡主因；压烫后蒸汽定型是后续工序，不是产生气泡的直接原因。","tier":"挑战"},{"id":46,"type":"single","stem":"整烫针织服装时，为防止领口和袖口被拉大变形，正确的操作要点是","options":["按原尺寸托持并采用轻压短时定型","先用力拉伸再熨烫以获得平整效果","用高温长时间压烫使线圈固定","把服装平铺后从中间向四周推烫"],"answer":[0],"explanation":"针织线圈结构易变形，需托持原尺寸轻压短时定型。拉伸后熨烫会永久变大；高温长压会损伤弹性；从中间向四周推烫会加剧尺寸变形。","tier":"挑战"},{"id":47,"type":"single","stem":"熨烫深色棉织物时，若在面料表面直接喷水后立即高温压烫，最容易产生的缺陷是","options":["水渍印或局部极光","面料整体缩水率下降","颜色向浅色方向均匀变化","纤维强度显著提高"],"answer":[0],"explanation":"深色棉织物局部给湿后立即高温压烫，水分不均和压力会造成水渍印或极光。缩水率不会因此下降；颜色不会均匀变浅；纤维强度不会提高。","tier":"挑战"},{"id":48,"type":"single","stem":"使用真空吸风烫台整烫薄型丝绸时，吸风强度过大会直接导致","options":["面料被吸附变形并留下吸痕","面料温度迅速下降难以定型","蒸汽无法穿透面料内部","烫台表面温度分布更均匀"],"answer":[0],"explanation":"薄型丝绸强力低，吸风过大会把面料吸进台面网孔，造成变形和吸痕。吸风不会使温度迅速下降至无法定型；蒸汽穿透主要与蒸汽压力和面料有关；吸风强度与温度均匀性无直接关系。","tier":"进阶"},{"id":49,"type":"multi","stem":"在整烫一件羊毛华达呢西服前襟时，为避免产生极光并保持前襟挺括，下列操作组合中正确的有","options":["熨烫时垫一层湿水布，熨斗温度调至羊毛档并控制停留时间","前襟贴边处先用手工针假缝固定再熨烫定型","熨烫后在面料未完全冷却时立即用衣架悬挂，利用自重辅助定型","对已有极光部位垫干布后改用蒸汽轻刷，不再加压熨烫","为增强挺括感，直接在面料正面高温干烫使纤维充分收缩定型"],"answer":[0,1,3],"explanation":"知识点：羊毛面料整烫的极光防治与定型方法。正确项0：垫湿布并控温控时是羊毛防极光的常规做法；正确项1：假缝固定可防止贴边位移，保证前襟定型准确；正确项3：极光属纤维表面压光损伤，用蒸汽刷可缓解而非继续加压。错误项2：羊毛需在冷却定型前保持平放或轻悬，未冷却即悬挂易使前襟拉伸变形，故错在时机；错误项4：高温干烫会使羊毛纤维过度收缩、产生极光甚至烫焦，是错误做法。","tier":"挑战"},{"id":50,"type":"single","stem":"整烫涤纶与氨纶混纺的针织连衣裙时，熨斗底板温度应优先参照下列哪种原则设定","options":["按涤纶的耐热温度设定并略降低，同时减少熨斗在织物上的停留时间","按氨纶的耐热温度设定并适当提高温度以加快定型速度","取两种纤维耐热温度的算术平均值，并全程开启最大蒸汽量","按混纺比例高的纤维耐热温度设定，无需考虑熨斗压力"],"answer":[0],"explanation":"知识点：混纺针织面料整烫的温度选择原则。正确项0：混纺面料应以耐热性较低的纤维为温度上限，涤纶耐热温度高于氨纶，故按涤纶设定后略降低并缩短停留时间，可兼顾定型与保护氨纶。错误项1：氨纶耐热性最低，按氨纶设定后提高温度会损伤氨纶弹性；错误项2：取算术平均值无依据，且全程最大蒸汽对针织裙易造成过度回缩；错误项3：只按比例高的纤维设定并忽略压力，会使低耐热纤维受损。","tier":"挑战"},{"id":51,"type":"single","stem":"熨烫毛料西裤前褶线时，为避免产生极光，应在褶线部位垫放哪种材料后熨烫","options":["干燥的纯棉白布","浸湿的纯棉白布","干燥的化纤布","浸湿的化纤布"],"answer":[1],"explanation":"知识点是毛织物熨烫极光防治。正确项：浸湿纯棉白布在熨烫时产生蒸汽，使毛纤维在湿热条件下定形，减少表面摩擦反光。错误项：干燥白布不能提供足够蒸汽，仍易压出极光；化纤布耐热差且不吸水，会熔融或使极光更明显；浸湿化纤布同样不耐高温且吸湿放湿不符合工艺要求。"},{"id":52,"type":"single","stem":"使用蒸汽熨斗熨烫深色真丝衬衫时，正确的操作顺序是","options":["先高温干烫定形再喷水补湿","先低温试烫衣角再垫布熨烫","先喷水湿透再高温直接压烫","先反面中温熨烫再正面低温轻烫"],"answer":[1],"explanation":"知识点是真丝面料熨烫温度与试烫程序。正确项：真丝耐热性差，应先在不显眼处低温试烫确认，再垫布熨烫，防止烫黄烫缩。错误项：高温干烫会使真丝发脆变色；喷水湿透后高温直接压烫易产生水渍和极光；反面中温对真丝仍偏高，正面低温轻烫虽方向对但缺少试烫确认这一关键步骤。"},{"id":53,"type":"single","stem":"整烫涤纶与羊毛混纺西装时，熨斗温度应主要依据混纺中哪种纤维的耐热下限来确定","options":["涤纶纤维的软化温度","羊毛纤维的耐热温度","混纺比例较大的纤维","混纺比例较小的纤维"],"answer":[0],"explanation":"知识点是混纺面料熨烫温度的确定原则。正确项：混纺织物熨烫温度应以耐热性最差纤维的安全温度为上限，涤纶软化点明显低于羊毛，故按涤纶定温。错误项：按羊毛耐热温度定温会超过涤纶承受范围；按比例大小定温没有工艺依据，比例大的纤维未必耐热更差；按比例小的纤维定温同样可能忽略低耐热纤维。"},{"id":54,"type":"single","stem":"在吸风烫台上熨烫薄型化纤面料时，吸风装置的主要作用是","options":["加速面料冷却定形并防止位移","抽走面料内部残留的浆料","降低熨斗底板表面温度","增加面料回潮率便于压烫"],"answer":[0],"explanation":"知识点是吸风烫台的工作原理。正确项：吸风使面料紧贴台面，快速带走热量和湿气，帮助冷却定形并防止熨烫中移位。错误项：吸风不能去除已渗入纤维内部的浆料；吸风降低的是面料温度而非熨斗底板温度；回潮率靠给湿控制，吸风反而使水分蒸发加快。"},{"id":55,"type":"single","stem":"熨烫针织罗纹领口时出现波浪状拉伸变形，最可能的原因是","options":["熨烫时纵向推拉熨斗","熨烫温度设定偏低","蒸汽量给得不够充足","烫台吸风开启过大"],"answer":[0],"explanation":"知识点是针织罗纹的熨烫手法。正确项：罗纹弹性大，纵向推拉会使线圈拉伸后定形，冷却后形成波浪边。错误项：温度偏低只会导致定形不足，不会造成拉伸波浪；蒸汽不足影响定形效果但不产生拉伸变形；吸风过大主要使面料贴台，与波浪变形无直接因果关系。"},{"id":56,"type":"single","stem":"服装整烫中“归”与“拔”两种工艺的区别是","options":["归是使织物缩短，拔是使织物伸长","归是使织物伸长，拔是使织物缩短","归用于厚料，拔用于薄料","归用于薄料，拔用于厚料"],"answer":[0],"explanation":"知识点是归拔工艺的基本概念。正确项：归是通过湿热和推压使织物经纬密度增大、局部缩短；拔是使织物拉伸、局部伸长，两者常用于塑造立体造型。错误项：把归拔定义颠倒；归拔与面料厚薄的对应关系不是其本质区别，厚薄料都可能需要归或拔。"},{"id":57,"type":"single","stem":"熨烫一件已钉好塑料纽扣的衬衫前，正确的处置方式是","options":["直接高温快速熨烫纽扣部位","避开纽扣或垫布低温轻烫","喷水后用力压烫纽扣周围","拆下纽扣后再整烫衣身"],"answer":[1],"explanation":"知识点是塑料辅料的耐热保护。正确项：塑料纽扣耐热差，应避开或垫布低温轻烫，防止熔融变形。错误项：高温快速熨烫仍会使纽扣软化变形；喷水用力压烫会加剧纽扣受热受压；拆扣再烫虽可保护纽扣，但增加工序且易损伤衣料，不是常规处置。"},{"id":58,"type":"single","stem":"蒸汽发生器式烫台使用一段时间后蒸汽带水，首先应检查","options":["熨斗底板是否积垢","疏水阀是否失效","吸风电机是否反转","台面海绵是否老化"],"answer":[1],"explanation":"知识点是蒸汽整烫设备的冷凝水排除。正确项：蒸汽带水多为管路冷凝水未及时排出，疏水阀失效是首要排查点。错误项：底板积垢影响传热和滑动，不直接导致蒸汽带水；吸风电机反转影响吸附效果；台面海绵老化影响透气与平整，均非蒸汽带水的首要原因。"},{"id":59,"type":"single","stem":"熨烫羊绒大衣时，熨斗运行方向应","options":["顺毛绒方向轻推","逆毛绒方向重压","垂直毛绒方向来回","任意方向快速移动"],"answer":[0],"explanation":"知识点是起绒面料的熨烫方向。正确项：顺毛绒方向轻推可保持绒毛倒伏一致、手感柔软且避免压死绒毛。错误项：逆毛重压会压乱绒毛并产生极光；垂直方向来回会搅乱绒面；任意快速移动无法保证绒面一致且易烫出印痕。"},{"id":60,"type":"single","stem":"某整烫工熨烫粘合衬女装前片时发现局部起泡，正确的下一步处置是","options":["继续加压熨烫使气泡压平","降低温度后反复熨烫该部位","停止熨烫并检查粘合温度压力时间","用蒸汽对准气泡处长时间熏蒸"],"answer":[2],"explanation":"知识点是粘合衬起泡的原因与处置。正确项：起泡说明粘合不牢或过度，应停机检查温度、压力、时间三要素及衬布质量，再决定返工方案。错误项：继续加压会把气泡压成死褶；降温反复熨烫不能解决已形成的脱胶；长时间蒸汽熏蒸会使粘合剂再次吸湿，气泡更严重。"},{"id":61,"type":"single","stem":"整烫车间对新进一批染色棉布成衣进行首件熨烫时，发现熨斗底板有轻微沾色，正确的处置是","options":["继续熨烫并提高温度固色","降温后垫纸继续熨烫该批","停止操作并清洁底板后试烫","换用另一台熨斗直接批量烫"],"answer":[2],"explanation":"知识点是熨烫沾色的异常判断与处置。正确项：沾色说明染料耐热迁移或底板有污物，应立即停止，清洁底板并重新试烫确认，防止批量污染。错误项：提高温度会加重染料迁移；垫纸继续烫只是掩盖问题，底板污染物仍会转移；换熨斗不清洁底板或未查明原因，同样存在批量沾色风险。"},{"id":62,"type":"multi","stem":"关于服装整烫中蒸汽给湿的作用，下列描述正确的有","options":["使纤维膨润便于定形","帮助消除熨烫极光","提高织物断裂强力","使厚料内部受热均匀","可替代吸风冷却定形"],"answer":[0,1,3],"explanation":"知识点是蒸汽在整烫中的工艺作用。正确项：蒸汽使纤维膨润、分子链段易重排，便于定形；能减弱表面反光消除极光；使厚料内外受热均匀。错误项：蒸汽给湿不能提高织物断裂强力，反而湿态强力可能下降；蒸汽不能替代吸风冷却，定形需要冷却固定，二者功能不同。"},{"id":63,"type":"single","stem":"整烫涤纶与粘胶纤维混纺的衬衫时，为兼顾定型效果和防止表面出现极光，较合适的做法是","options":["中温垫干布正面熨烫，压力稍大加快定型","中温垫湿布熨烫，烫后自然冷却再移动","高温直接熨烫，趁热用湿布快速擦过表面","低温悬空喷汽，避免压烫板接触布面"],"answer":[1],"explanation":"涤粘混纺遇高温易产生极光和收缩，垫湿布中温熨烫可提供水分和均匀热传导，冷却后定型稳定。A项垫干布压力大易在涤纶表面形成极光。C项高温直接熨烫会使粘胶发脆、涤纶熔融发亮。D项低温悬空喷汽无法达到定型温度，褶皱回弹。"},{"id":64,"type":"single","stem":"蒸汽熨斗使用中突然出现喷水（滴水）现象，最先应检查的部件是","options":["蒸汽电磁阀的供电线圈","水箱内水位是否低于最低刻度","熨斗底板特氟龙涂层是否磨损","蒸汽软管是否被折叠挤压"],"answer":[1],"explanation":"蒸汽熨斗喷水最常见原因是水位过低，汽化室供水不足导致未汽化的水直接喷出。A项电磁阀故障通常表现为不出汽而非喷水。C项涂层磨损影响滑动和粘布，不产生滴水。D项软管折叠会导致蒸汽量减小，一般不会喷液态水。"},{"id":65,"type":"single","stem":"熨烫羊毛精纺西服前身时，为保持面料丰满的手感和避免产生亮光，通常采用的方式是","options":["高温干烫并用较大压力压平接缝","中温配蒸汽垫烫布轻压慢移","低温干烫快速来回推烫","高温蒸汽悬烫不接触面料"],"answer":[1],"explanation":"羊毛精纺需要蒸汽回缩定型，垫烫布轻压可防极光并保留绒面感。A项高温干烫大压力会把羊毛压死并产生极光。C项低温干烫无法使羊毛纤维充分回缩定型。D项悬烫不能压平接缝和褶裥，达不到整烫要求。"},{"id":66,"type":"single","stem":"整烫针织罗纹领口时，为防止领口被拉大变形，正确的操作是","options":["顺罗纹方向轻拉后高温定型","按原尺寸摆放，用蒸汽回缩定型","横向拉伸固定后喷汽冷却","套在烫板上撑开再压烫"],"answer":[1],"explanation":"罗纹组织有弹性，应按原尺寸摆放，用蒸汽使其自然回缩恢复弹性。A项顺向轻拉再高温会破坏弹性回复。C项横向拉伸固定会使领口变大且难以复原。D项套烫板撑开压烫同样会拉大领口。"},{"id":67,"type":"single","stem":"熨烫深色棉质休闲裤时，接缝处出现极光最可能的原因是","options":["蒸汽量过大导致面料含水过多","熨斗温度低于面料耐受温度","熨斗底板直接压在接缝凸起处反复摩擦","烫布含水率过高使面料受潮"],"answer":[2],"explanation":"深色棉布接缝凸起处受压摩擦，纤维表面被压平反光形成极光。A项蒸汽过多主要造成水渍或过度回缩。B项温度偏低只会影响定型效果，不会产生极光。D项烫布过湿易留水渍，不是极光成因。"},{"id":68,"type":"single","stem":"使用真空烫台熨烫毛呢大衣时，正确的吸风使用时机是","options":["熨烫过程中持续开启吸风以固定衣片","熨斗离开面料后开启吸风使衣片冷却定型","熨烫前先吸风将面料吸附平整再加热","仅在熨烫厚接缝时开启吸风"],"answer":[1],"explanation":"真空吸风的作用是抽走蒸汽和热量，使衣片在冷却阶段快速定型。A项熨烫中持续吸风会带走热量，降低定型效果。C项熨前吸风只是临时吸附，不能替代冷却定型。D项厚接缝之外部位同样需要冷却定型，限制使用会导致定型不均。"},{"id":69,"type":"single","stem":"整烫含氨纶的弹力牛仔裤时，为避免氨纶老化失去弹性，应避免的做法是","options":["中温蒸汽熨烫后自然冷却","垫布中温熨烫接缝部位","高温长时间压烫腰头和侧缝","蒸汽定型后吸风冷却"],"answer":[2],"explanation":"氨纶耐热性差，高温长时间压烫会使其老化断裂，失去弹性。A、B、D项均为中温或蒸汽配合冷却的合理工艺，不会显著损伤氨纶。"},{"id":70,"type":"single","stem":"熨烫丝质衬衫时，操作正确的是","options":["低温垫干布正面熨烫，趁热悬挂","低温垫湿布反面熨烫，八成干时整形","中温直接熨烫正面，喷水后压平","高温蒸汽悬烫正面，不垫布"],"answer":[1],"explanation":"丝绸耐热性差且易留水渍，应低温垫湿布从反面熨烫，在八成干时整形可避免极光和水渍。A项正面垫干布易留极光。C项中温直接熨烫正面会损伤丝纤维并产生亮光。D项高温悬烫会使丝绸发脆变色。"},{"id":71,"type":"single","stem":"某批粘胶纤维连衣裙整烫后出现局部收缩起皱，最可能的原因是","options":["熨烫温度偏高且喷水过多","熨烫温度偏低且未加蒸汽","吸风冷却时间过短","烫布选用纯棉材质"],"answer":[0],"explanation":"粘胶纤维湿态下强度低、遇高温高湿易收缩起皱，温度偏高加喷水过多是典型诱因。B项温度偏低未加蒸汽只会定型不足。C项吸风短影响冷却定型，不致局部收缩。D项纯棉烫布是常用且合适的辅料。"},{"id":72,"type":"single","stem":"整烫车间发现某台蒸汽发生器压力表读数持续低于工作压力，正确的下一步处置是","options":["继续使用并加大熨斗蒸汽阀门开度","停机检查疏水阀和加热元件后恢复","调高压力表上限设定值继续生产","改用冷水喷淋替代蒸汽熨烫"],"answer":[1],"explanation":"压力持续偏低说明供汽系统异常，应停机排查疏水阀堵塞或加热元件故障。A项加大阀门开度不能解决供汽不足，还可能带出冷凝水。C项调整仪表设定属于掩盖问题。D项冷水喷淋无法替代蒸汽定型且易造成水渍。"},{"id":73,"type":"single","stem":"某整烫工熨烫一批深色羊毛混纺西裤，烫后裤腿出现不规则亮斑，现场排查发现烫布已连续使用多天未更换且底板有积垢，正确的处置环节是","options":["降低熨斗温度后继续用原烫布熨烫","更换洁净烫布并清洁熨斗底板后重烫","加大蒸汽量掩盖亮斑后直接包装","将亮斑部位用湿布反复擦拭消除"],"answer":[1],"explanation":"亮斑源于烫布污染和底板积垢在高温下转移到面料，应更换洁净烫布并清洁底板后重新熨烫。A项降温不能去除污染源。C项加大蒸汽不能消除已形成的亮斑，包装后仍是次品。D项湿布擦拭会使羊毛表面起毛并扩大水渍。"},{"id":74,"type":"single","stem":"整烫涤纶与羊毛混纺的西服前片时，为兼顾定型效果和防止极光，下列做法中最合适的是","options":["垫湿布低温短时压烫后自然冷却","直接干烫高温快速定型","喷少量水后中温反复推烫","垫干布高温长时间压烫"],"answer":[0],"explanation":"知识点是混纺面料定型温度与极光控制。涤毛混纺需垫湿布、控温短时压烫，冷却后定型才稳定，故A正确；B直接干烫高温易产生极光并损伤羊毛；C喷水后反复推烫易使面料起皱变形；D高温长时间压烫会使涤纶熔融发亮。"},{"id":75,"type":"single","stem":"蒸汽熨斗使用中突然出现喷水而非喷汽，最先应检查的部件是","options":["水箱内水位是否超过最高刻度","熨斗底板温度是否调得过低","蒸汽软管是否被折叠压住","电源电压是否低于额定值"],"answer":[0],"explanation":"知识点是蒸汽熨斗喷水故障的常见原因。水位超过最高刻度会使水未经充分汽化直接喷出，故A正确；B温度过低通常表现为蒸汽量小而非喷水；C软管折叠影响供汽但不会直接喷水；D电压低影响加热功率，不是喷水首要原因。"},{"id":76,"type":"single","stem":"整烫真丝衬衫时，为防止水渍和极光，正确的操作组合是","options":["垫白棉布低温反面熨烫并控制蒸汽量","正面直接高温熨烫并加大蒸汽","垫深色布中温反复推烫","喷水后高温正面压烫定型"],"answer":[0],"explanation":"知识点是真丝面料熨烫防护。真丝耐热差、易出水渍和极光，需垫白棉布、低温、反面熨烫并控汽，故A正确；B正面高温大汽必出水渍和极光；C深色布可能掉色且中温推烫易变形；D喷水高温正面压烫会损伤丝纤维并留水渍。"},{"id":77,"type":"single","stem":"熨烫粘合衬西装领面时，粘合衬起泡脱胶，最可能的原因是","options":["压烫温度偏低且加压时间不足","压烫温度偏高且冷却前移动衣片","使用蒸汽量过大且未垫布","底板有污渍且未清洁"],"answer":[0],"explanation":"知识点是粘合衬压烫三要素。温度偏低、时间不足会使热熔胶未充分熔融渗透，导致起泡脱胶，故A正确；B温度偏高且冷却前移动会造成胶层移位或面料损伤，不是起泡脱胶主因；C蒸汽过大影响粘合但通常先表现为粘不牢；D底板污渍会污染面料，不直接导致脱胶。"},{"id":78,"type":"single","stem":"整烫针织罗纹领口时，为避免领口被拉大变形，正确的做法是","options":["按原尺寸样板限位后短时轻压定型","用力拉伸领口使其平整后压烫","高温长时间压烫使罗纹定型","悬挂领口自然冷却后再熨烫"],"answer":[0],"explanation":"知识点是针织罗纹的弹性定型。罗纹易拉伸变形，需按原尺寸限位、短时轻压，故A正确；B拉伸后压烫会固定被拉大的尺寸；C高温长时间会损伤氨纶弹性；D自然冷却不解决定型尺寸控制问题。"},{"id":79,"type":"single","stem":"熨烫深色纯棉休闲裤侧缝时，出现局部发亮，最恰当的补救处置是","options":["垫湿布低温重新蒸烫后自然冷却","用高温干烫快速压平发亮处","喷少量水后用力反复推烫","用硬毛刷蘸水刷洗发亮处"],"answer":[0],"explanation":"知识点是棉织物极光的成因与消除。极光多因高温干烫压光，垫湿布低温蒸烫可使纤维回缩、光泽减弱，故A正确；B高温干烫会加重极光；C反复推烫会扩大极光并起皱；D刷洗会损伤面料表面并留水痕。"},{"id":80,"type":"single","stem":"整烫羊毛大衣时，熨斗在衣片表面停留时间过长，最可能产生的缺陷是","options":["极光与倒毛","缩水与起球","脱色与泛白","跳线与脱缝"],"answer":[0],"explanation":"知识点是羊毛面料熨烫缺陷。羊毛长时间高温压烫会使毛纤维倒伏并产生极光，故A正确；B缩水起球多与洗涤摩擦有关；C脱色泛白多与化学处理或日晒有关；D跳线脱缝属缝制缺陷，与熨烫停留无关。"},{"id":81,"type":"single","stem":"蒸汽发生式整烫机使用后，正确的日常维护顺序是","options":["排水排污后空烧排汽再关闭电源","先关闭电源再排水排污并立即封盖","直接关闭电源并保持水箱满水","先拆蒸汽管再关闭电源排水"],"answer":[0],"explanation":"知识点是蒸汽整烫机的停机维护。应先排水排污、空烧排汽，再关电源，以防余水结垢和下次喷水，故A正确；B先关电源无法排净余汽余水；C满水存放易生水垢和锈蚀；D先拆管再关电源存在蒸汽烫伤风险且程序颠倒。"},{"id":82,"type":"single","stem":"整烫某批弹力牛仔裤时，发现裤腿烫后回缩不一致，同一批产品尺寸偏差大，下一步最合理的做法是","options":["先测各部位实际回缩率再调整整烫定型参数","统一提高整烫温度使回缩一致","延长压烫时间使所有裤腿充分定型","降低蒸汽压力减少回缩差异"],"answer":[0],"explanation":"知识点是弹力面料整烫的尺寸控制。回缩不一致应先测各部位回缩率，再针对性调整参数，故A正确；B统一提温可能使部分面料过度回缩或损伤；C延长时间不能解决回缩差异且可能烫坏；D降汽压影响定型效果，不解决根本问题。"},{"id":83,"type":"multi","stem":"整烫粘合衬衣领时，为保证粘合牢度和外观，下列操作正确的有","options":["按面料与衬布匹配的温度设定压烫参数","压烫后待完全冷却再移动衣片","压烫时保持压力均匀且时间充足","压烫后立即趁热拉扯衣领检查粘合","使用蒸汽直接喷射粘合面加速熔胶"],"answer":[0,1,2],"explanation":"知识点是粘合衬压烫工艺。温度匹配、冷却后移动、压力均匀时间充足是保证粘合牢度的关键，故A、B、C正确；D趁热拉扯会破坏未冷却的粘合层并致变形；E直接喷汽会使胶层受潮不均、粘合不牢。"},{"id":84,"type":"single","stem":"熨烫毛料西服前胸时，为避免极光并保持面料绒面，通常应采用的加压方式是","options":["直接重压并反复推熨","垫湿布后轻压短促熨烫","垫干布后长时间重压","喷水后高温反复摩擦"],"answer":[1],"explanation":"知识点是毛料熨烫的极光防治与加压方式。毛料表面有鳞片绒面，直接重压或摩擦会使纤维倒伏发亮形成极光，垫湿布轻压短促熨烫可提供水分和热量又减少机械摩擦，故正确。直接重压反复推熨会压出极光；垫干布长时间重压缺少水分且易压死绒面；喷水后高温反复摩擦同样会造成极光和纤维损伤。"},{"id":85,"type":"single","stem":"整烫涤纶与粘胶混纺西裤时，为防止裤线处出现亮光和面料熔融，应优先选择的工艺参数组合是","options":["高温短时重压并快速冷却","中温垫布加压后吸风冷却","低温长时间重压自然冷却","高温喷水后反复推压定型"],"answer":[1],"explanation":"知识点是热塑性混纺面料的定型温度与冷却方式。涤粘混纺含热塑性涤纶，中温垫布加压可定型又避免熔融，吸风冷却能快速固定裤线并减少亮光，故正确。高温短时重压仍可能熔融或产生亮光；低温长时间重压定型不足且易压出亮光；高温喷水反复推压会加剧亮光和熔融风险。"},{"id":86,"type":"single","stem":"使用真空吸风烫台整烫薄型雪纺连衣裙时，吸风量调节不当最可能造成的质量问题是","options":["裙身出现波浪形吸痕","面料边缘脱散","缝线处出现缩皱","里布与面料错位"],"answer":[0],"explanation":"知识点是吸风烫台对不同厚度面料的适配。雪纺轻薄，吸风过强会把面料吸入台面网孔形成波浪形吸痕，故正确。面料边缘脱散与吸风量无直接关系，多与裁剪或缝制有关；缝线缩皱多因缝纫张力或蒸汽过量；里布错位多因铺料或缝合问题。"},{"id":87,"type":"single","stem":"整烫带涂层的防水冲锋衣时，熨斗底板直接接触涂层一侧会导致","options":["涂层软化粘连底板并破坏防水性","涂层颜色加深但防水性不变","面料整体收缩但涂层完好","涂层与基布分离形成气泡"],"answer":[0],"explanation":"知识点是涂层织物的熨烫禁忌。涂层多为热塑性高分子，直接接触高温底板会软化粘连并破坏防水膜，故正确。涂层颜色加深但防水不变不成立，热损伤必然影响性能；整体收缩但涂层完好不准确，涂层会先受损；涂层与基布分离形成气泡是部分现象，但最直接且必然的是粘连底板并破坏防水性。"},{"id":88,"type":"single","stem":"熨烫羊毛针织衫时，为保持其蓬松手感，正确的操作是","options":["用高温熨斗直接压烫并拉伸","用蒸汽熏蒸后平铺自然冷却","用重压烫台压平后立即折叠","用湿布覆盖后高温反复摩擦"],"answer":[1],"explanation":"知识点是针织物整烫的保形与保蓬松。羊毛针织衫靠线圈结构蓬松，蒸汽熏蒸后平铺自然冷却可恢复线圈弹性且不压死，故正确。高温直接压烫拉伸会压死绒面并变形；重压压平后折叠会使针织结构扁平；湿布高温反复摩擦会造成毡化和极光。"},{"id":89,"type":"single","stem":"整烫衬衫领子时，为使领尖挺括且不出现翻翘，应采用的熨烫顺序是","options":["先烫领面再烫领里最后压领尖","先烫领里再烫领面最后压领尖","先压领尖再烫领面最后烫领里","先烫领面再压领尖最后烫领里"],"answer":[1],"explanation":"知识点是衬衫领的整烫顺序与领尖定型。先烫领里可使内层先定型，再烫领面使外观平整，最后压领尖使尖端挺括不翻翘，故正确。先烫领面再烫领里会使领尖内层未定型而翻翘；先压领尖再烫其他部位会破坏已定型的领尖；先烫领面再压领尖最后烫领里同样使领尖定型顺序颠倒。"},{"id":90,"type":"single","stem":"整烫含氨纶的弹力牛仔裤时，为防止裤腰失去弹性，正确的做法是","options":["高温重压裤腰并拉伸定型","中低温垫布轻压不拉伸","高温蒸汽长时间熏蒸裤腰","低温重压裤腰后快速冷却"],"answer":[1],"explanation":"知识点是氨纶弹力面料的整烫温度与拉伸控制。氨纶耐热性差且怕拉伸，中低温垫布轻压不拉伸可定型又保弹性，故正确。高温重压拉伸会破坏氨纶弹性；高温蒸汽长时间熏蒸会使氨纶老化；低温重压后快速冷却虽温度低但重压仍会使裤腰变形失弹。"},{"id":91,"type":"single","stem":"整烫完成后发现白色棉衬衫前襟有黄色熨烫焦痕，正确的判断是","options":["棉纤维已发生热损伤无法恢复","焦痕是蒸汽水渍晾干即可消失","焦痕是浆料残留洗后即除","焦痕是熨斗底板污物转移可擦除"],"answer":[0],"explanation":"知识点是棉织物熨烫焦痕的性质。棉纤维高温炭化或氧化形成的黄色焦痕是热损伤，无法通过洗涤恢复，故正确。蒸汽水渍通常无色或浅灰且可晾干消失，与黄色焦痕不同；浆料残留多为白色或浅黄但洗后可除，而热损伤焦痕洗后仍在；底板污物转移多呈黑色或褐色且可擦除，与黄色焦痕特征不符。"},{"id":92,"type":"single","stem":"某整烫工熨烫一件深色羊毛大衣时，发现前身出现一片发亮的极光，他应先采取的处置是","options":["用高温蒸汽直接喷射极光处","用毛刷蘸水反复刷洗极光处","用蒸汽熏蒸后垫布轻刷并吸风冷却","用熨斗重压极光处使其平整"],"answer":[2],"explanation":"知识点是毛料极光的补救处置。极光是纤维倒伏发亮，蒸汽熏蒸使纤维回软后垫布轻刷并吸风冷却可恢复绒面，故正确。高温蒸汽直接喷射可能加剧极光；毛刷蘸水反复刷洗会扩大水渍和毡化；熨斗重压会使极光更严重。"},{"id":93,"type":"single","stem":"熨烫涤纶衬衫时设定温度为150℃仍出现极光，最应优先调整的是","options":["将温度降至110℃并加垫烫布","提高温度至180℃快速定型","改用蒸汽直接喷射面料表面","换用更重的金属熨斗加压"],"answer":[0],"explanation":"知识点是涤纶热塑性面料易产生极光。涤纶软化点低，150℃配直接接触易压出极光，降到110℃并加垫烫布可避免。提高温度会加重极光；蒸汽直喷会使极光更明显；加重加压不能消除极光反而加深。"},{"id":94,"type":"single","stem":"毛料西服前襟需要压出平挺效果，正确的整烫顺序是","options":["先烫里衬再烫面料正面","先烫面料正面再烫里衬","喷水后直接高温压烫正面","先烫袖窿再烫前襟正面"],"answer":[0],"explanation":"知识点是毛料服装整烫顺序。毛料需先烫里衬使衬布定型，再轻烫面料正面，避免正面直接高温产生极光。先烫正面易损面料；喷水高温压正面易起极光；袖窿先烫与整体平挺无关。"},{"id":95,"type":"single","stem":"蒸汽熨斗使用中突然出现喷水而非喷汽，最可能的原因是","options":["水箱水温偏低产生冷凝水","蒸汽压力过高冲出水滴","熨斗底板温度过高汽化过快","蒸汽软管长度不足"],"answer":[0],"explanation":"知识点是蒸汽熨斗喷水故障判断。水箱水温偏低或未充分预热时蒸汽在管路冷凝成水喷出。压力过高通常喷汽更猛；底板温度过高会加快汽化；软管长度与喷水无直接关系。"},{"id":96,"type":"single","stem":"熨烫真丝双绉连衣裙时，正确的操作方式是","options":["低温垫布反面轻烫并避免拉扯","中温正面直接压烫定型","高温蒸汽悬烫后立即折叠","喷水后重压正面消除褶皱"],"answer":[0],"explanation":"知识点是真丝面料热敏易变形。真丝需低温垫布从反面轻烫，避免拉扯和正面压烫。正面直接压烫易起极光；悬烫后立即折叠会留折痕；喷水重压正面会损伤丝面。"},{"id":97,"type":"single","stem":"粘合衬服装整烫时出现气泡脱胶，正确的处置是","options":["降低温度补压并延长冷却时间","提高温度立即重压粘合","喷水后趁湿快速压烫","直接撕除衬布重新粘合"],"answer":[0],"explanation":"知识点是粘合衬压烫工艺。气泡脱胶多因温度过高或冷却不足，应降温补压并延长冷却。提高温度会加剧脱胶；趁湿压烫粘合不牢；直接撕除会损坏面料。"},{"id":98,"type":"single","stem":"熨烫深色精纺毛料西裤时，防止极光的关键操作是","options":["垫湿布熨烫并控制压力时间","提高底板温度快速熨烫","用干布直接压烫正面","喷少量水后立即高温压烫"],"answer":[0],"explanation":"知识点是精纺毛料极光防治。垫湿布可缓冲热量和压力，控制时间避免极光。提高温度会加重极光；干布直接压烫无缓冲；喷水高温压烫同样产生极光。"},{"id":99,"type":"single","stem":"整烫针织罗纹领口时，正确的定型方法是","options":["用蒸汽定型后自然冷却再移动","高温压烫后立即拉伸冷却","喷水后重压使领口变硬","直接悬挂晾干不熨烫"],"answer":[0],"explanation":"知识点是针织罗纹定型。罗纹需蒸汽定型后自然冷却，保持弹性。高温压烫后拉伸会失去弹性；重压变硬破坏手感；不熨烫无法定型。"},{"id":100,"type":"single","stem":"熨烫含氨纶的弹力牛仔裤时，温度应控制在","options":["80℃以下并避免长时间压烫","150℃左右快速定型","180℃高温蒸汽定型","200℃短时压烫"],"answer":[0],"explanation":"知识点是氨纶热敏性。氨纶高温易老化失弹，应80℃以下并避免长时间压烫。150℃以上会损伤氨纶；180℃和200℃会直接破坏弹性纤维。"},{"id":101,"type":"single","stem":"整烫车间发现熨斗底板粘有焦化物，正确的清洁方式是","options":["冷却后用专用清洁蜡擦拭底板","趁热用湿布用力擦除","用钢丝球打磨底板表面","喷水后高温空烫去除"],"answer":[0],"explanation":"知识点是熨斗底板保养。冷却后用专用清洁蜡可去除焦化物且不伤底板。趁热湿布擦易烫伤且擦不净；钢丝球会划伤底板；高温空烫不能去除焦化物。"},{"id":102,"type":"single","stem":"熨烫羊绒大衣时，正确的整烫方式是","options":["低温蒸汽垫布反面轻烫并顺毛向","中温正面直接压烫定型","高温蒸汽正面喷射定型","喷水后重压正面消除褶皱"],"answer":[0],"explanation":"知识点是羊绒面料整烫。羊绒需低温蒸汽垫布从反面顺毛向轻烫。正面直接压烫会倒毛起极光；高温蒸汽正面喷射损伤纤维；重压正面破坏绒面。"},{"id":103,"type":"single","stem":"整烫工序中，熨烫完成的服装应","options":["悬挂冷却定型后再包装","趁热立即折叠包装","喷水后立即装袋","叠放压平后直接装箱"],"answer":[0],"explanation":"知识点是整烫后冷却定型。熨烫后需悬挂冷却使纤维定型，再包装。趁热折叠会留折痕；喷水装袋易发霉；叠放压平会破坏定型效果。"},{"id":104,"type":"single","stem":"整烫涤纶衬衣时，熨斗底部温度应控制在下列哪个范围最稳妥","options":["60～80℃","110～130℃","150～170℃","200～220℃"],"answer":[2],"explanation":"涤纶属热塑性合成纤维，熔点约255℃、软化点约235℃，熨烫温度一般控制在150～170℃并垫布操作。60～80℃是腈纶等低耐热纤维的低温区，达不到定型效果；110～130℃对涤纶偏低，褶皱不易定型；200～220℃已接近涤纶软化区，易产生极光或熔孔。"},{"id":105,"type":"single","stem":"蒸汽熨烫羊毛西服时，正确的操作顺序是","options":["先低温吸风定型，再高温加湿，最后冷却","先高温加湿给湿，再吸风抽湿，最后冷却定型","先喷水湿润，再干烫压平，最后挂晾","先冷却收缩，再加湿熨烫，最后吸风"],"answer":[1],"explanation":"羊毛整烫遵循\"先给湿、后抽湿、再冷却\"的顺序，使纤维在湿热下重塑并在冷却中固定。先低温吸风再加湿颠倒了给湿与抽湿的次序；先喷水再干烫缺少蒸汽渗透，易烫出极光；先冷却再加湿无法定型，顺序违背湿热定型原理。"},{"id":106,"type":"single","stem":"熨烫深色精纺毛料西裤时出现局部发亮（极光），最可能的原因是","options":["熨斗温度偏低且移动过快","熨斗温度偏高且在同一位置停留过久","蒸汽量过大且未垫烫布","烫台吸风过强且熨斗压力偏小"],"answer":[1],"explanation":"极光是毛纤维在高温高压下鳞片压平、表面反光增强所致，主因是温度偏高且压实停留过久。温度偏低移动过快只会定型不足；蒸汽量过大未垫布易造成水渍而非极光；吸风过强压力偏小反而不易压实起光。"},{"id":107,"type":"single","stem":"使用真空烫台熨烫薄型真丝面料时，吸风时机应选在","options":["熨斗落下前先开吸风","熨斗移动过程中持续全开吸风","熨斗离开面料后立即开吸风冷却","熨烫结束后统一开吸风"],"answer":[2],"explanation":"薄型真丝易被吸风吸附变形，应在熨斗离开后立即吸风冷却定型。熨斗未落先吸风会使面料被吸住起皱；移动中全开吸风会把面料吸进烫台网孔产生吸痕；结束后统一吸风错过冷却定型时机。"},{"id":108,"type":"single","stem":"整烫含氨纶的针织T恤时，下列做法正确的是","options":["高温熨斗直接压烫以快速定型","中低温垫布轻烫，避免拉伸","高温蒸汽长时间喷蒸后用力拉平","干烫不加垫布并反复推压"],"answer":[1],"explanation":"氨纶耐热性差，高温易使弹性纤维损伤，须中低温垫布轻烫且不可拉伸。高温直接压烫会烫伤氨纶；高温蒸汽长喷加拉力会破坏弹性回复；干烫反复推压易造成面料拉伸变形和极光。"},{"id":109,"type":"single","stem":"熨烫粘合衬服装时，粘合效果不牢且局部起泡，最可能的原因是","options":["粘合温度偏低或压力不足","粘合温度偏高且时间过长","冷却时间过长且未加压","面料含湿量过低"],"answer":[0],"explanation":"粘合衬靠热熔胶在温度、压力、时间三要素配合下渗透粘合，温度偏低或压力不足会使胶未充分熔融流动。温度偏高时间过长会使胶过度渗透甚至渗胶；冷却过长未加压不影响初始粘合；含湿量过低通常影响手感而非主因起泡。"},{"id":110,"type":"single","stem":"熨烫柞蚕丝面料时与桑蚕丝相比应特别注意","options":["温度可略高且可喷水","温度应略低且避免喷水","必须高温干烫定型","需先浸湿再熨烫"],"answer":[1],"explanation":"柞蚕丝耐热性低于桑蚕丝且遇水易产生水渍，故温度应略低并避免喷水。温度略高喷水会加剧水渍和损伤；高温干烫易烫黄；先浸湿再熨烫会产生严重水渍和皱缩。"},{"id":111,"type":"single","stem":"某工人在熨烫深色涤棉混纺衬衫时，先喷水再高温压烫，结果出现水渍和极光，错误的环节是","options":["喷水后未垫布即高温压烫","喷水后未及时吸风","压烫后未冷却即折叠","熨斗移动速度过快"],"answer":[0],"explanation":"喷水后未垫布直接高温压烫，水分在高温下与纤维作用形成水渍，同时高压产生极光。未及时吸风影响定型但不致水渍极光；未冷却折叠产生折痕；移动过快导致定型不足而非极光。"},{"id":112,"type":"multi","stem":"整烫工序中，下列哪些做法有助于防止毛料服装产生极光","options":["熨烫时垫一层薄棉布或烫布","熨斗温度按面料耐热上限设定","采用蒸汽给湿后吸风抽湿","熨斗在局部停留时间尽量缩短","熨烫后在热态下立即折叠"],"answer":[0,2,3],"explanation":"垫烫布可隔离直接摩擦与高压，蒸汽给湿后吸风抽湿可减少干热压实，缩短停留时间可避免局部压光。温度按耐热上限设定会增加极光风险；热态折叠会产生折痕而非防止极光。"},{"id":113,"type":"single","stem":"整烫涤纶与粘胶混纺的衬衫袖口时，为避免极光，最合适的做法是","options":["垫干布后中温快速熨烫","直接高温熨烫后立即冷却","喷少量水后低温反复熨烫","垫湿布后高温熨烫"],"answer":[0],"explanation":"知识点：合成纤维混纺面料的极光防治。垫干布可隔离熨斗直接接触、减少纤维表面熔融发亮，中温快速熨烫能定型又不致极光。直接高温会熔融发亮；喷水低温反复熨烫易造成水渍且定型不足；垫湿布高温易产生水印和极光。"},{"id":114,"type":"single","stem":"整烫毛呢大衣前，对熨烫设备做下列哪项准备最符合工艺要求","options":["调好蒸汽量并预热熨斗底板","把熨斗温度直接调到最高档","关闭蒸汽只靠干热定型","在台面铺一层薄棉布即可"],"answer":[0],"explanation":"知识点：毛呢整烫设备准备。毛呢需蒸汽加湿配合适宜温度定型，预热底板可避免冷板粘毛、滴水。直接最高档会烫焦呢面；关闭蒸汽无法使毛纤维充分回软；只铺薄棉布不解决温湿度控制问题。"},{"id":115,"type":"single","stem":"熨烫真丝连衣裙时出现轻微水渍印，下一步正确的处理是","options":["垫干净布用中低温重新熨干","用高温熨斗直接压干水渍","喷更多水后自然晾干","用蒸汽近距离冲水渍处"],"answer":[0],"explanation":"知识点：真丝水渍处理。真丝水渍多因水分未均匀蒸发，垫布中低温重烫可使水分均匀挥发消除印痕。高温直接压会损伤丝纤维并加重水渍；再喷水自然晾干会留新水渍；近距离蒸汽冲会局部过湿形成新印。"},{"id":116,"type":"single","stem":"整烫西裤前烫迹线时，正确的操作顺序是","options":["先烫内缝再烫前后烫迹线","先烫前后烫迹线再烫内缝","先烫腰头再烫裤腿烫迹线","先烫裤脚再烫前后烫迹线"],"answer":[0],"explanation":"知识点：西裤整烫顺序。先整理内缝可使裤腿平整，再压烫前后烫迹线才挺直无皱。先烫烫迹线会使内缝皱褶被压死；先烫腰头会牵动裤腿变形；先烫裤脚会使裤腿余皱无法舒展。"},{"id":117,"type":"single","stem":"熨烫针织羊毛衫时发现衣身被拉长，下列哪种操作最可能导致该问题","options":["熨烫时沿衣身长度方向反复推拉","垫布后轻压定型不移动熨斗","按原尺寸用蒸汽回缩定型","顺织物纹理短距离移动熨斗"],"answer":[0],"explanation":"知识点：针织毛衫整烫变形原因。沿长度方向推拉会使线圈拉伸、衣身变长。垫布轻压、蒸汽回缩、顺纹短移都是正确做法，不会造成拉长。"},{"id":118,"type":"single","stem":"整烫含氨纶的紧身运动衣时，温度控制应优先考虑","options":["用低温并减少熨斗停留时间","用中温并加大蒸汽量","用高温快速压烫定型","用高温垫湿布熨烫"],"answer":[0],"explanation":"知识点：氨纶热敏感性。氨纶耐热差，低温短时熨烫可防弹性损伤。中温加蒸汽仍可能使氨纶老化；高温快速会熔融失弹；高温垫湿布同样会损伤氨纶。"},{"id":119,"type":"single","stem":"熨烫深色棉质外套时，为防止出现亮光，下列做法最适宜的是","options":["垫一层薄棉布并控制中温熨烫","直接高温熨烫加快定型","在表面喷水后高温压烫","用金属板直接压烫出光"],"answer":[0],"explanation":"知识点：深色棉织物极光防治。垫布中温可避免纤维表面压光。直接高温易产生亮光；喷水高温压烫会加重极光和水渍；金属板直接压烫会明显出光。"},{"id":120,"type":"single","stem":"整烫前发现熨斗底板有轻微粘附物，正确的处理是","options":["冷却后用湿布擦拭底板","趁热用刀片刮除粘附物","继续使用待其自然脱落","用砂纸打磨底板表面"],"answer":[0],"explanation":"知识点：熨斗底板清洁。冷却后湿布擦拭可安全去污。趁热刮会损伤底板镀层；继续使用会污染面料；砂纸打磨会破坏底板光洁度。"},{"id":121,"type":"single","stem":"整烫亚麻衬衫时，为获得平整挺括效果，宜采用的方式是","options":["喷水加湿后用中高温熨烫","干烫低温慢压定型","垫湿布低温反复熨烫","高温快速压烫不喷水"],"answer":[0],"explanation":"知识点：亚麻整烫特性。亚麻需一定湿度配合中高温才能定型挺括。干烫低温难以消除皱褶；垫湿布低温反复熨烫效率低且易留水印；高温快速不喷水易烫黄且不平整。"},{"id":122,"type":"single","stem":"整烫工序中，熨烫完成的服装在挂放前应","options":["充分冷却定型后再挂放","趁热立即挂放节省时间","叠放压平后挂放","喷水后直接挂放"],"answer":[0],"explanation":"知识点：冷却定型原理。热态服装纤维尚未稳定，充分冷却后才能保持定型效果。趁热挂放易变形；叠放压平会产生新褶；喷水后挂放会留水渍并影响定型。"},{"id":123,"type":"single","stem":"整烫涤纶与羊毛混纺的西服前片时，喷水量的控制应主要依据什么来确定","options":["混纺比例中涤纶的占比高低","面料回潮后是否出现极光","熨斗底板温度是否达到150℃","蒸汽压力是否超过0.4MPa"],"answer":[0],"explanation":"知识点是混纺面料整烫时喷水量与纤维吸湿性的关系。涤纶吸湿性差、遇高温易产生极光，混纺比例中涤纶占比越高，喷水量应越少并配合垫布；回潮后是否出现极光是结果而非依据；150℃是温度参数不是喷水量依据；蒸汽压力属于设备参数，不决定喷水量。"},{"id":124,"type":"single","stem":"整烫精纺毛料西裤时，在裤腿折痕处出现一条发亮的极光，最可能的原因是","options":["熨斗温度偏低反复推熨","熨烫时未垫水布直接压烫","蒸汽量过大导致纤维膨胀","烫台吸风开启时间过长"],"answer":[1],"explanation":"知识点是毛织物极光的成因与预防。精纺毛料直接接触高温熨斗会使鳞片压平反光，必须垫水布或采用悬烫；温度偏低反复推熨主要造成定型不牢；蒸汽量过大会使面料过湿；吸风过长主要影响干燥效率，均不是极光主因。"},{"id":125,"type":"single","stem":"整烫粘合衬女装前片时，发现衬布边缘出现气泡脱胶，下一步最合理的处置是","options":["提高熨斗温度重新压烫一遍","用蒸汽从正面反复蒸软压平","冷却后从起泡处注入胶水粘合","降低温度并延长压烫时间重压"],"answer":[3],"explanation":"知识点是粘合衬压烫三要素（温度、压力、时间）的配合。气泡脱胶常因温度过高或时间不足导致胶点未充分熔融渗透，应降温并延长压烫时间；提高温度会加重脱胶；正面蒸汽无法修复已分离的胶层；注胶属于非标准做法且影响手感。"},{"id":126,"type":"single","stem":"整烫真丝乔其纱连衣裙时，熨斗运行方式的正确选择是","options":["低温垫布后沿经向轻推熨","中温不垫布直接压烫定型","高温蒸汽悬空喷射不接触","低温吸风台上反复来回熨"],"answer":[0],"explanation":"知识点是真丝轻薄织物的整烫方式。乔其纱组织疏松、易变形，应低温垫布并沿经向轻推，避免纬向拉伸；不垫布直接压烫易产生极光和水渍；悬空喷射无法定型；反复来回熨会使纱线滑移、门幅变形。"},{"id":127,"type":"single","stem":"整烫含氨纶的针织运动裤时，为保持弹性和尺寸稳定，正确的操作是","options":["拉伸裤腰至最大尺寸后高温定型","低温轻烫并避免拉伸，冷却后回缩","中温蒸汽定型后立即悬挂晾干","高温快速压烫后冷水喷雾冷却"],"answer":[1],"explanation":"知识点是氨纶热敏性与弹性回复。氨纶遇高温易损伤，整烫应低温、少拉伸，冷却后自然回缩保持弹性；拉伸后高温定型会使尺寸被固定、弹性下降；蒸汽后悬挂晾干会使湿态变形；高温加冷水喷雾会造成水渍和热冲击。"},{"id":128,"type":"single","stem":"整烫衬衫领子时，为获得挺括的领尖且不损伤领面，正确的顺序是","options":["先烫领面再烫领里最后压领尖","先烫领里再烫领面最后修领尖","先烫领尖再烫领面最后烫领里","先烫领面再烫领尖最后烫领里"],"answer":[1],"explanation":"知识点是衬衫领子的整烫顺序。应先烫领里使内层定型，再烫领面保证外观平整，最后修整领尖弧度；先烫领面会使领里褶皱无法消除；先烫领尖易使领尖变形；先领面后领尖的顺序会导致领里未定型而反弹。"},{"id":129,"type":"single","stem":"使用蒸汽熨斗整烫深色棉质衬衫时，熨斗底板在面料上停留过久出现了水渍印，正确的处置是","options":["立即用高温熨斗干烫吸走水分","用湿布覆盖后重新蒸汽熨烫","待自然干燥后轻刷去除水渍","用冷水喷雾后中温熨平"],"answer":[2],"explanation":"知识点是水渍印的成因与处理。停留过久使蒸汽冷凝水渗入棉纤维形成水渍，应待自然干燥后用软刷轻刷使纤维恢复；高温干烫会固色差；湿布加蒸汽会加重水渍；冷水喷雾再熨会再次形成水渍。"},{"id":130,"type":"single","stem":"整烫羊毛大衣的驳头翻折线时，为避免翻折线处出现死痕，应采用的操作是","options":["用熨斗尖端沿翻折线重压定型","垫布后沿翻折线轻压并留出余量","不垫布用高温蒸汽快速压烫","用烫台吸风将翻折线吸实定型"],"answer":[1],"explanation":"知识点是毛料驳头翻折线的整烫要求。驳头翻折应垫布轻压并留出适当余量，使翻折自然圆顺；熨斗尖端重压会形成死痕；高温不垫布会产生极光；吸风吸实会使翻折线僵硬、失去立体感。"},{"id":131,"type":"single","stem":"整烫化纤面料时，熨斗温度应依据什么来选择","options":["面料的回潮率高低","面料纤维的热塑性温度","熨斗底板的镀层材质","蒸汽发生器的功率大小"],"answer":[1],"explanation":"知识点是化纤面料整烫温度的确定依据。化纤多为热塑性纤维，温度必须低于其软化点，否则会熔融或极光，因此依据纤维热塑性温度设定；回潮率影响喷水不影响温度上限；底板镀层影响导热但不决定温度；蒸汽功率影响蒸汽量而非温度设定。"},{"id":132,"type":"single","stem":"整烫西服袖窿弧线时，为保持袖山饱满圆顺，正确的操作是","options":["将袖窿套在烫凳上分段归拢熨烫","平放在烫台上整体压平定型","用熨斗尖端沿弧线高温压烫","悬挂后从正面蒸汽喷射定型"],"answer":[0],"explanation":"知识点是袖窿弧线的归拔整烫。袖窿为立体弧线，应套在烫凳上分段归拢，使袖山饱满；平放压平会破坏弧线；熨斗尖端高温压烫会产生极光并压死弧线；蒸汽喷射无法完成归拢定型。"},{"id":133,"type":"single","stem":"整烫一批涤棉混纺工装裤时，发现裤缝处出现轻微极光，现场最合理的预防性调整是","options":["提高熨斗温度缩短压烫时间","在缝线处垫薄棉布再压烫","加大蒸汽量使面料充分湿润","改用吸风烫台快速冷却定型"],"answer":[1],"explanation":"知识点是涤棉混纺缝线处极光的预防。缝线处厚度大易局部过热，垫薄棉布可分散热量防止极光；提高温度会加重极光；加大蒸汽量会使缝线处过湿；吸风快速冷却不能防止极光产生。"},{"id":134,"type":"multi","stem":"整烫真丝双绉衬衫时，下列操作中有利于防止面料出现水渍和极光的有","options":["熨斗温度控制在低温档并垫水布","采用蒸汽悬烫使面料不直接接触底板","熨烫后立即折叠入包装袋定型","趁面料回潮时轻推熨平皱纹","使用吸风烫台加速冷却定型"],"answer":[0,1,3],"explanation":"知识点是真丝双绉的整烫防护。低温垫布、蒸汽悬烫、回潮轻推均可减少直接接触和过热，防止水渍与极光；熨烫后立即折叠入袋会使余热余湿无法散发，易产生水渍和折痕；吸风快速冷却会使真丝骤缩变形，不利定型。"},{"id":135,"type":"single","stem":"整烫工在熨烫前检查蒸汽熨斗时，发现蒸汽喷出时带有明显水珠，此时正确的处理方式是","options":["继续熨烫，水珠会随蒸汽温度升高自然消失","先排放管道内冷凝水，待蒸汽干爽后再熨烫","调低蒸汽阀门开度，减少水珠喷出量","把熨斗底面温度调高，让水珠在底板上汽化"],"answer":[1],"explanation":"知识点是蒸汽品质与冷凝水排放。蒸汽管道停用后内部会积存冷凝水，直接熨烫会在面料上留下水渍。正确做法是先开阀排净冷凝水，待蒸汽干爽后再作业。继续熨烫会把水渍烫到面料上；调小阀门只能减少水量，不能消除冷凝水；调高底板温度对管道内液态水无效，仍会喷水。"},{"id":136,"type":"single","stem":"熨烫毛呢类厚重面料时，整烫工采用“先蒸汽给湿、再加压定型、最后抽湿冷却”的顺序，其中抽湿冷却的主要作用是","options":["让面料快速降温以便马上打包入库","使纤维在压力下重新排列并固定造型","防止蒸汽在面料表面结成水渍","减少熨斗底板对面料的直接摩擦"],"answer":[1],"explanation":"知识点是毛呢定型的三段式工艺原理。给湿使纤维膨润可塑，加压使纤维按预定形态排列，抽湿冷却让纤维在定型位置快速固定，造型才能持久。快速降温便于打包不是抽湿的工艺目的；防水渍靠的是干爽蒸汽而非抽湿；减少摩擦与抽湿无关。"},{"id":137,"type":"single","stem":"熨烫涤纶与粘胶混纺的衬衫时，若温度设定接近涤纶的软化点，最可能出现的问题是","options":["面料表面出现极光或熔融发亮","面料整体缩水率明显增大","缝线处出现跳针断线","面料颜色发生均匀褪色"],"answer":[0],"explanation":"知识点是热塑性纤维的熨烫温度上限。涤纶属热塑性纤维，接近软化点时会熔融或产生极光发亮。缩水主要与粘胶吸湿膨润及拉伸回复有关，不是该温度下的首要表现；跳针断线属缝纫问题；均匀褪色与熨烫温度关系不大。"},{"id":138,"type":"single","stem":"整烫工熨烫一件真丝连衣裙，面料标签标注“不可高温熨烫”，正确做法是","options":["垫干布用中温快速熨烫正面","垫湿布用低温在反面熨烫","直接调至高温档快速滑烫正面","喷水后用高温档压烫反面"],"answer":[1],"explanation":"知识点是蛋白质纤维面料的热适应性处理。真丝耐热性差，需低温、垫布、反面熨烫以保护光泽和手感。垫干布中温仍偏高易损伤；高温直接熨正面会烫伤纤维并产生极光；喷水加高温压烫同样会造成不可逆损伤。"},{"id":139,"type":"single","stem":"整烫工在使用真空吸风烫台熨烫薄型雪纺时，吸风过强会导致","options":["面料被吸附变形并留下吸痕","面料含水率快速下降","熨斗底板温度异常升高","蒸汽供应量自动增大"],"answer":[0],"explanation":"知识点是真空烫台吸风强度与薄型面料的匹配。雪纺轻薄，吸风过强会把面料紧紧吸在台面上产生吸痕和变形。含水率下降、底板温度、蒸汽量均不受吸风强度直接控制，属干扰。"},{"id":140,"type":"single","stem":"熨烫西服前，整烫工发现驳头部位已有旧折痕，正确的处理顺序是","options":["直接高温压烫，把旧折痕压平","先蒸汽充分给湿回软，再整理归拢后加压定型","先干烫定型，再补蒸汽消除折痕","用冷熨斗反复推压，靠机械力碾平折痕"],"answer":[1],"explanation":"知识点是归拔工艺与旧折痕处理。旧折痕需先给湿回软使纤维恢复可塑性，再通过归拢或拔开整理，最后加压定型。直接高温压烫会把折痕烫死；先干烫会使折痕固定更难消除；冷熨斗推压无法让纤维重新排列。"},{"id":141,"type":"single","stem":"整烫工熨烫针织罗纹领口时，为避免领口被拉大变形，正确的操作是","options":["顺罗纹方向轻推熨烫，不加外力拉伸","横向用力拉直领口后再熨烫","把领口套在烫凳上绷紧后熨烫","用熨斗尖端插入领口内撑开熨烫"],"answer":[0],"explanation":"知识点是针织罗纹的弹性回复与熨烫手法。罗纹横向弹性大，熨烫时应顺纹轻推、不施加拉伸力，防止定型时被拉大。横向拉直、绷紧、撑开都会使领口在冷却定型后保持被拉大的尺寸。"},{"id":142,"type":"single","stem":"蒸汽发生器压力表指针持续低于正常工作压力，而熨斗仍能出汽，整烫工下一步应优先","options":["继续作业，等压力自然回升","检查补水系统与加热元件是否异常","把熨斗温度档调高弥补蒸汽不足","打开排污阀放掉部分蒸汽提高压力"],"answer":[1],"explanation":"知识点是蒸汽发生系统的异常判断。压力持续偏低说明产汽量不足，应先排查补水与加热环节。继续作业会导致定型不牢；调高熨斗温度不能提升蒸汽压力；排污放汽只会使压力更低。"},{"id":143,"type":"single","stem":"服装企业整烫工序中，熨烫完成的成衣在挂放冷却前应","options":["立即折叠装入塑料袋以防回潮","在通风处充分冷却定型后再包装","趁热用夹子夹住肩部悬挂","叠放压平以保持平整度"],"answer":[1],"explanation":"知识点是定型后冷却与包装时机。热塑性纤维需在冷却过程中完成定型，应通风冷却后再包装，否则余热和残湿会导致回潮变形。立即装袋、趁热夹挂、叠放压平都会破坏已定型的造型。"},{"id":144,"type":"single","stem":"熨烫粘合衬衣领时，发现衬布边缘起泡脱胶，最可能的原因是","options":["熨斗温度偏低且停留时间不足","熨斗温度偏高且停留时间过短","压烫后未等冷却就移动衣领","粘合衬本身与面料缩率不匹配"],"answer":[0],"explanation":"知识点：粘合衬压烫三要素。起泡脱胶多为热熔胶未充分熔融浸润，温度偏低或时间不足导致粘合不牢。温度偏高且时间过短会使胶层局部熔融不均，但更典型的是烧焦或渗胶；未冷却移动会造成位移起皱而非脱胶；缩率不匹配主要表现为成品起皱，不是边缘起泡。"},{"id":145,"type":"single","stem":"使用蒸汽发生器整烫时，疏水阀持续排出大量蒸汽而不见冷凝水，正确的处置是","options":["关小疏水阀旁通以减少冒汽","检查疏水阀是否卡在常开位置","提高锅炉压力把冷凝水顶出","在回水管上加装节流孔板"],"answer":[1],"explanation":"知识点：蒸汽管道疏水阀异常判断。疏水阀应只排冷凝水不排生蒸汽，持续冒汽说明阀芯卡在常开位。关小旁通只是掩盖现象；提高压力会加重冒汽；加节流孔板会妨碍正常疏水，均不解决卡阀故障。"},{"id":146,"type":"single","stem":"熨烫真丝电力纺衬衫时，熨斗底板直接接触面料出现局部泛白，最恰当的补救方法是","options":["用湿布覆盖后重新低温复烫","用同色染料在泛白处点涂遮盖","用高温熨斗快速压烫使纤维回弹","喷少量清水后用手抹平晾干"],"answer":[0],"explanation":"知识点：真丝熨烫泛白的处理。泛白是纤维受高温产生轻微损伤或光泽改变，用湿布覆盖低温复烫可使纤维回润恢复部分光泽。点涂染料会形成色斑；高温快速压烫会加重损伤；喷水手抹不能修复已产生的光泽变化。"},{"id":147,"type":"single","stem":"整烫涤纶与氨纶混纺针织裙时，为防止裙摆被拉大变形，正确的操作是","options":["沿裙摆横向用力拉伸后定型冷却","按原尺寸轻放不拉伸，蒸汽定型后冷却","用夹板夹住裙摆两端悬空熨烫","先高温压烫再冷水喷淋急冷定型"],"answer":[1],"explanation":"知识点：弹性针织面料整烫原则。氨纶受热易伸长，拉伸后定型会使尺寸变大，应按原尺寸轻放、蒸汽加热后自然冷却定型。横向拉伸、夹板悬空、高温后急冷都会造成尺寸不稳或纤维损伤。"},{"id":148,"type":"single","stem":"熨烫羊毛大衣袖窿弧线部位时，为避免袖窿被压扁变形，应使用的辅助工具是","options":["袖窿烫凳或袖山垫","平板烫台直接压烫","蒸汽喷枪悬空吹烫","手持熨斗侧立轻压"],"answer":[0],"explanation":"知识点：立体部位整烫工具选择。袖窿为弧面立体部位，需用袖窿烫凳或袖山垫承托，保持弧线。平板烫台会压扁弧线；蒸汽喷枪悬空吹烫不能定型；熨斗侧立轻压也难以保持袖窿立体形状。"},{"id":149,"type":"single","stem":"熨烫深色棉质工装裤时，裤缝出现明显亮光，最有效的预防措施是","options":["熨烫前在裤缝处垫干毛巾","熨烫时垫薄棉布并加少量蒸汽","调高熨斗温度快速滑烫裤缝","熨烫后在裤缝处喷定型胶"],"answer":[1],"explanation":"知识点：棉织物极光预防。垫薄棉布并加少量蒸汽可减少熨斗对面料的直接摩擦与压光。垫干毛巾缓冲不足；调高温度快速滑烫会加重亮光；喷定型胶是掩盖而非预防，且影响手感。"},{"id":150,"type":"single","stem":"蒸汽熨斗使用中突然出现滴水现象，最可能的原因是","options":["熨斗温度过高使水汽化过快","熨斗温度过低使水未完全汽化","水箱加水超过最高水位线","蒸汽调节旋钮开得过大"],"answer":[1],"explanation":"知识点：蒸汽熨斗滴水故障判断。滴水常见原因是底板温度不足以使水完全汽化，未汽化的水随蒸汽喷出。温度过高会使水汽化更充分；超过水位线主要影响蒸汽量而非滴水；旋钮开大主要影响蒸汽量，不是滴水主因。"},{"id":151,"type":"single","stem":"熨烫已完成刺绣的棉质衬衫前胸时，正确的操作顺序是","options":["先烫刺绣再烫周围面料","先烫周围面料再轻烫刺绣背面","直接高温压烫刺绣正面定型","喷水后用力压烫刺绣使其平整"],"answer":[1],"explanation":"知识点：刺绣部位整烫顺序。应先烫周围面料，再在背面轻烫刺绣，避免正面压坏绣线。先烫刺绣会压塌绣花；高温压烫正面会使绣线倒伏；喷水用力压烫同样会损坏刺绣立体感。"},{"id":152,"type":"single","stem":"整烫化纤面料时，熨斗在面料上停留时间过长，最可能造成的后果是","options":["面料产生极光但纤维未损伤","面料出现熔融、发硬或破洞","面料缩水但颜色更加鲜艳","面料手感变软且尺寸变大"],"answer":[1],"explanation":"知识点：化纤热塑性。化纤多为热塑性纤维，长时间接触高温熨斗会熔融、发硬甚至破洞。极光是压光现象但不代表未损伤；缩水与变软变大均不符合化纤过热表现。"},{"id":153,"type":"single","stem":"某整烫工熨烫一件标注可机洗的羊毛混纺西裤时，直接高温蒸汽压烫后裤面出现极光且手感发硬，正确的处置是","options":["立即用湿布覆盖低温复烫并自然冷却","用毛刷蘸水反复刷洗极光部位","用高温熨斗再次压烫使极光消失","喷定型剂后压烫固定裤面光泽"],"answer":[0],"explanation":"知识点：羊毛混纺过热后的补救。出现极光和手感发硬说明温度过高，应湿布覆盖低温复烫使纤维回润并自然冷却。刷洗会损伤呢面；再次高温压烫加重损伤；喷定型剂会固定不良光泽并影响手感。"},{"id":154,"type":"single","stem":"用蒸汽熨斗整烫深色精纺毛料西服前片时，熨斗底部与面料之间应保持的正确做法是","options":["直接压烫并停留数秒以便定型","垫一层干棉布后再加压熨烫","悬空喷汽不接触面料表面","垫湿布快速推烫并反复摩擦"],"answer":[1],"explanation":"知识点是毛料整烫需防止极光并保护表面。精纺毛料直接压烫易产生极光并烫坏绒毛，垫干棉布可分散热量和压力，故B正确。A直接压烫停留会出极光；C悬空喷汽达不到定型效果；D湿布加摩擦会缩绒起毛并变形。"},{"id":155,"type":"single","stem":"整烫化纤针织T恤的侧缝时，出现缝迹被拉长、面料起皱，最可能的原因是","options":["熨烫温度偏低导致定型不足","拉伸缝迹后冷却定型造成变形","蒸汽量过大使纤维回缩","压烫时间过短未消除皱褶"],"answer":[1],"explanation":"知识点是针织面料整烫时不可拉伸定型的原理。针织缝迹被拉伸后冷却会把变形固定下来，故B正确。A温度偏低只影响定型效果不致拉长；C蒸汽量过大不会造成缝迹拉长；D时间短只留皱褶不会使缝迹变长。"},{"id":156,"type":"single","stem":"使用真空吸风烫台整烫薄型真丝衬衫时，吸风装置的正确使用时机是","options":["熨烫全程持续开启吸风","只在熨烫后冷却时开启吸风","只在喷汽加湿时开启吸风","熨烫前开启吸风帮助铺平"],"answer":[1],"explanation":"知识点是吸风烫台用于冷却定型和排水汽。薄型真丝若全程吸风会被吸附变形并留下吸痕，故应在熨烫后冷却时开启，B正确。A全程吸风导致变形；C喷汽时吸风会把蒸汽抽走降低加湿效果；D熨前吸风对铺平无实质帮助且易吸住面料。"},{"id":157,"type":"single","stem":"整烫含氨纶的弹力牛仔裤腰头时，为避免弹性损失，应采用的工艺是","options":["高温长时间压烫使腰头挺括","中低温短时压烫并自然冷却","高温喷汽后立即用冷风急冷","低温慢烫并反复喷汽加湿"],"answer":[1],"explanation":"知识点是氨纶耐热性差需低温短时加工。中低温短时压烫并自然冷却可减少弹性损伤，故B正确。A高温长时间会使氨纶老化失弹；C高温加急冷使纤维受热应力损伤；D反复喷汽低温仍会累积热损伤且效率低。"},{"id":158,"type":"single","stem":"整烫一件带树脂衬的衬衫领子时，领面出现气泡起泡，正确的处置环节是","options":["提高熨斗温度重新压烫消除气泡","用蒸汽从领面反复喷汽后压平","从领里侧补胶后重新压烫粘合","降低温度后直接压烫领面定型"],"answer":[2],"explanation":"知识点是粘合衬起泡的返修原理。起泡说明粘合不牢，需从里侧补胶重新压烫粘合，故C正确。A提高温度压烫只把气泡压扁未粘合；B喷汽压平不能恢复粘合；D低温压烫无法使衬与面料重新粘合。"},{"id":159,"type":"single","stem":"用烫模整烫西裤前片时，为获得清晰挺缝，正确的操作顺序是","options":["先喷汽加湿再加压烫干最后吸风冷却","先加压烫干再喷汽加湿最后自然晾干","先吸风冷却再喷汽加湿最后加压定型","先自然晾干再喷汽加湿最后加压烫平"],"answer":[0],"explanation":"知识点是挺缝定型需加湿、加压、冷却三步。先喷汽使纤维可塑，再压烫成形，最后吸风冷却固定，故A正确。B先压干后加湿破坏已成形挺缝；C先冷却无法塑形；D先晾干后加湿顺序颠倒达不到定型。"},{"id":160,"type":"single","stem":"整烫羊绒大衣时，熨斗运行方向应遵循的原则是","options":["顺毛绒方向单向轻推熨烫","逆毛绒方向反复推烫以立绒","垂直毛绒方向来回横烫","任意方向快速推烫以免压绒"],"answer":[0],"explanation":"知识点是起绒面料整烫须顺毛操作。顺毛单向轻推可保护绒毛并保持手感，故A正确。B逆毛会压乱绒毛；C横烫会压塌绒面；D任意快速推烫易造成绒毛倒伏和极光。"},{"id":161,"type":"single","stem":"整烫涂层防风夹克时，熨斗直接接触涂层一面会造成的主要损伤是","options":["涂层熔融粘连并失去防水性","面料颜色加深但功能不变","涂层变硬但防水性提高","面料收缩但涂层完好"],"answer":[0],"explanation":"知识点是涂层织物整烫须避免高温接触涂层。直接接触会使涂层熔融粘连并破坏防水膜，故A正确。B颜色加深只是表象且功能已损；C涂层变硬并非防水提高；D面料收缩不是涂层损伤的主要表现。"},{"id":162,"type":"single","stem":"整烫一批混纺职业装时，发现同批不同件号面料成分不同，正确的处理是","options":["按最高耐受温度统一整烫提高效率","按各件号成分分别设定整烫参数","按最低耐受温度统一整烫保安全","按外观厚薄粗略分为两类整烫"],"answer":[1],"explanation":"知识点是不同成分面料须匹配各自整烫参数。混批中成分不同应分别设定参数，故B正确。A统一高温会烫坏不耐热件；C统一低温会使耐热件定型不足；D按厚薄分类不能反映耐热性差异。"},{"id":163,"type":"single","stem":"蒸汽发生器使用中压力表读数持续偏高且安全阀未动作，正确的下一步操作是","options":["继续使用并观察压力变化趋势","立即关闭加热并检查安全阀","打开排水阀降低压力后继续","调低温控旋钮继续正常整烫"],"answer":[1],"explanation":"知识点是蒸汽设备超压属安全隐患须先停机检查。压力持续偏高而安全阀未动作应停机检查，故B正确。A继续使用有爆炸风险；C排水降压不解决安全阀失效；D调温控不解决压力异常根源。"},{"id":164,"type":"single","stem":"整烫真丝乔其纱连衣裙时，熨斗温度应选择的范围是","options":["约80至100摄氏度低温档","约120至140摄氏度中温档","约160至180摄氏度中高温档","约190至210摄氏度高温档"],"answer":[0],"explanation":"知识点是真丝耐热性低需低温整烫。真丝乔其纱宜用80至100摄氏度低温档，故A正确。B中温已偏高易使真丝发黄；C中高温会烫伤纤维；D高温会直接烧焦真丝。"},{"id":165,"type":"multi","stem":"整烫含粘合衬的西装驳头时，为保证粘合牢固且不起泡，应采取的措施包括","options":["压烫前让衬与面料充分预缩匹配","压烫时保持压力均匀并停留足够时间","压烫后立即用冷风或吸风冷却定型","压烫后马上蒸汽喷湿再自然晾干","压烫时温度按面料上限以加速粘合"],"answer":[0,1,2],"explanation":"知识点是粘合衬压烫需预缩、匀压、冷却三要素。A预缩匹配防止起泡；B匀压停留保证粘合；C冷却定型固定粘合，均正确。D压烫后立即喷湿会破坏刚形成的粘合；E按面料上限加温易烫伤面料且不能加速粘合，均错误。"},{"id":166,"type":"single","stem":"熨烫毛料西裤前烫台温度设定为140℃，但面料标签标注“羊毛100%”，此时正确的整烫参数调整是","options":["将温度降至110~120℃并垫湿布熨烫","将温度升至160℃并加快熨烫速度","维持140℃但不使用蒸汽","维持140℃并改用干烫方式"],"answer":[0],"explanation":"纯羊毛面料耐热性差，直接高温易产生极光或烫焦，应降温并垫湿布。温度升高会损伤羊毛纤维；维持140℃不使用蒸汽无法避免极光；干烫同样会加剧极光风险。"},{"id":167,"type":"single","stem":"蒸汽熨斗熨烫深色精纺呢绒时出现极光，最直接有效的预防措施是","options":["垫一层薄棉布并控制熨斗压力","调高蒸汽量使面料充分湿润","降低熨斗温度至80℃以下","加快熨斗移动速度减少停留"],"answer":[0],"explanation":"极光多因压力大、温度高、直接接触摩擦造成，垫薄棉布可分散压力与热量。加大蒸汽量不一定消除极光；温度过低无法定型；单纯加快移动不能解决压力集中问题。"},{"id":168,"type":"single","stem":"熨烫化纤混纺衬衫时，熨斗底部出现熔融粘连痕迹，最可能的原因是","options":["熨斗温度超过了该化纤的软化点","蒸汽量不足导致面料干燥","熨烫压力过大使纤维压扁","垫布太厚导致热量传导不均"],"answer":[0],"explanation":"化纤遇超温会软化熔融并粘附熨斗。蒸汽不足、压力过大、垫布过厚都不会造成熔融粘连，只会影响定型效果。"},{"id":169,"type":"single","stem":"整烫工序中，熨烫完成的服装应进行的下一步操作是","options":["悬挂冷却定型后再包装","立即折叠装入塑料袋","趁热叠放以减少占地面积","喷水后直接送入烘干机"],"answer":[0],"explanation":"整烫后需悬挂冷却，使纤维在张力下稳定定型。立即折叠或趁热叠放会使余热余湿导致变形和皱痕；喷水烘干会破坏已定型的形态。"},{"id":170,"type":"single","stem":"熨烫真丝旗袍时，正确的操作方式是","options":["低温垫白布反面熨烫并少用蒸汽","中温正面直接熨烫快速定型","高温蒸汽直接喷射正面褶皱","低温干烫正面并施加较大压力"],"answer":[0],"explanation":"真丝耐热性差、易产生水渍和极光，应低温垫布反面熨烫。正面直接熨烫或高温蒸汽喷射易造成水渍和光泽损伤；低温干烫加压仍可能产生极光。"},{"id":171,"type":"single","stem":"使用真空烫台熨烫薄型涤纶面料时，吸风过强导致面料出现波浪形皱痕，正确的处置是","options":["调小吸风量并重新铺平面料熨烫","关闭吸风后加大蒸汽量熨烫","换用更高温度的熨斗快速压平","在面料上喷水后继续强吸风熨烫"],"answer":[0],"explanation":"吸风过强会把薄面料吸入台面网孔形成波浪痕，应减小吸力并重新铺平。关吸风加大蒸汽、升温快压、喷水强吸都不能消除已有波浪痕，还可能加重变形。"},{"id":172,"type":"single","stem":"熨烫羊毛大衣时，熨斗在衣片边缘留下清晰的亮光印，最合适的补救方法是","options":["垫湿布用蒸汽熏蒸后轻轻刷起毛绒","用高温熨斗直接压烫使亮光消失","用砂纸打磨亮光处使表面变毛","喷水后用冷风快速吹干亮光处"],"answer":[0],"explanation":"羊毛极光可通过蒸汽熏蒸配合刷毛恢复。高温压烫会加重极光；砂纸打磨会损伤面料；喷水冷吹不能消除已形成的极光。"},{"id":173,"type":"single","stem":"熨烫弹力针织面料时，为防止拉伸变形，正确的操作是","options":["按自然回缩状态铺放并轻压短时熨烫","用力拉伸铺平后中温熨烫定型","悬挂拉伸状态下用蒸汽喷烫","先拉伸铺平再冷风定型后熨烫"],"answer":[0],"explanation":"弹力针织应顺其自然回缩状态轻压短时熨烫，避免拉伸。用力拉伸、悬挂拉伸、先拉伸冷风定型都会使面料在冷却后回缩产生变形。"},{"id":174,"type":"single","stem":"熨烫衬衣领子时，为使领角平整挺括，正确的熨烫顺序是","options":["先烫领里再烫领面，从领角向领中推进","先烫领面再烫领里，从领中向领角推进","先烫领尖再烫领中，最后烫领座","先烫领座再烫领尖，最后烫领面"],"answer":[0],"explanation":"先烫领里可使领角定型，再从领角向领中推进避免领角起皱。先烫领面、从领中向领角或最后烫领面都不利于领角挺括。"},{"id":175,"type":"single","stem":"熨烫西服前胸部位时，为避免胸衬起泡，正确的操作是","options":["垫布后用蒸汽均匀加热再轻压定型","直接用熨斗重压使胸衬与面料粘合","高温干烫快速压平胸衬部位","喷大量水后立即用高温熨斗压烫"],"answer":[0],"explanation":"胸衬起泡多因受热不均或重压，应垫布均匀蒸汽加热后轻压。直接重压、高温干烫、喷水后高温压烫都会使衬布与面料收缩不一致而起泡。"},{"id":176,"type":"single","stem":"熨烫深色棉质休闲裤时，裤缝处出现水渍印，最可能的原因是","options":["蒸汽中水分过多且未及时烫干","熨斗温度过低未能蒸发水分","熨烫压力不足使水分残留","垫布过厚阻碍蒸汽穿透"],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偏高"],"answer":[1],"explanation":"知识点：粘合衬整烫质量缺陷分析。粘合后局部起泡多因压力不均使该处胶粒未充分熔融渗透。温度偏低会导致整体粘合不牢而非局部起泡；时间过长易渗胶；含胶量偏高会造成渗胶，不是起泡主因。"},{"id":197,"type":"single","stem":"整烫羊绒大衣时，若需对袖窿弧线进行归缩，应配合的工序是","options":["先归缩后喷水定形","先喷水后归缩定形","先压烫后归缩定形","先归缩后冷压定形"],"answer":[1],"explanation":"知识点：归缩工艺的加湿顺序。归缩需在面料含湿状态下进行，使纤维可塑变形，故应先喷水给湿再归缩并烫干定形。先归缩后喷水无法使纤维充分软化；先压烫会使纤维定型后再归缩困难；冷压不能完成归缩定形。"},{"id":198,"type":"single","stem":"蒸汽发生器供汽的熨烫设备，每日班前应优先检查的项目是","options":["熨斗底板镀层磨损量","安全阀与压力表状态","烫台吸风电机绝缘","压缩空气含油量"],"answer":[1],"explanation":"知识点：蒸汽熨烫设备班前安全检查。蒸汽发生器属压力容器，班前须优先确认安全阀、压力表等安全附件正常。底板镀层磨损属日常外观检查；吸风电机绝缘和压缩空气含油量不是蒸汽发生器班前的首要安全项。"},{"id":199,"type":"single","stem":"整烫醋酸纤维面料时，若熨斗停留稍久即出现面料软化发亮，正确的后续处置是","options":["立即垫湿布重新压烫","待冷却后轻刷布面复原","用高温蒸汽重新吹烫","用冷水直接喷洒布面"],"answer":[1],"explanation":"知识点：醋酸纤维热损伤的补救处置。醋酸纤维热塑性极强，过热发亮是表层软化，应立即停止加热，待冷却后轻刷使表层复原。垫湿布重烫会加重损伤；高温蒸汽会继续软化；冷水直接喷洒会造成水渍并使纤维骤冷收缩。"},{"id":200,"type":"multi","stem":"整烫车间出现下列哪些情况时，应立即停止熨烫作业并报修设备","options":["蒸汽管道接口明显漏汽","熨斗电源线绝缘层破损","烫台吸风突然减弱","压力表指针超过额定红线","熨斗底板出现轻微划痕"],"answer":[0,1,3],"explanation":"知识点：整烫设备异常停机判据。蒸汽管道漏汽、电源线绝缘破损、压力超额定红线均属直接危及人身或设备安全的异常，须立即停机报修。吸风突然减弱可能只是滤网堵塞，可先清理排查；底板轻微划痕只影响外观，可继续使用并安排维护。"},{"id":201,"type":"single","stem":"熨烫羊毛华达呢西裤前片时，蒸汽定型后应采用的冷却方式是","options":["自然晾干冷却","冷风强制冷却","热风循环冷却","喷水雾冷却"],"answer":[1],"explanation":"知识点：毛织物蒸汽定型后需快速冷却固定褶线。正确项对在：冷风强制冷却能迅速带走热量和水分，使纤维在应力状态下固化定型，褶线持久。自然晾干冷却速度慢，纤维回弹导致褶线不挺；热风循环会延长湿热时间，易造成极光；喷水雾会重新润湿已定型部位，破坏定型效果。"},{"id":202,"type":"single","stem":"整烫涤纶与氨纶混纺针织T恤时，熨斗底板温度应比纯涤纶织物设定值","options":["提高约20℃加快定型","降低约20℃防止熔融","保持完全相同温度","提高约40℃缩短时间"],"answer":[1],"explanation":"知识点：氨纶耐热性低于涤纶。正确项对在：混纺中氨纶受热易收缩、熔融，需降低温度保护弹性纤维。提高温度会损伤氨纶弹性；保持相同温度未考虑氨纶热敏性；提高40℃会直接造成氨纶熔融或织物极光。"},{"id":203,"type":"single","stem":"使用真空烫台整烫精纺毛料上衣时，真空吸风的主要作用是","options":["抽走蒸汽使织物快速冷却","吸走面料表面游离水分","降低烫台表面温度","将面料吸附固定便于熨烫"],"answer":[3],"explanation":"知识点：真空烫台在熨烫过程中吸风固定面料。正确项对在：吸风将面料平贴台面，防止移位和褶皱，便于精准熨烫。抽走蒸汽冷却只是附带效果而非主要目的；吸走游离水分是蒸汽渗透后的辅助作用；降低台面温度并非吸风功能。"},{"id":204,"type":"single","stem":"蒸汽熨斗使用中突然喷出大量水滴而非蒸汽，最可能的原因是","options":["水箱水温过低","熨斗底板温度过高","蒸汽通道积垢堵塞","电源电压不稳定"],"answer":[2],"explanation":"知识点：蒸汽熨斗喷水故障判断。正确项对在：蒸汽通道积垢会阻碍汽化，水未完全汽化即喷出。水箱水温低影响蒸汽量但不致喷大量水滴；底板温度过高只会使蒸汽更干；电压不稳影响加热功率但不直接导致喷水。"},{"id":205,"type":"single","stem":"整烫粘合衬男衬衫领子时，正确的加压定型操作顺序是","options":["先加压后给蒸汽再冷却","先给蒸汽后加压再冷却","先冷却后加压再给蒸汽","先给蒸汽后冷却再加压"],"answer":[1],"explanation":"知识点：粘合衬领子定型需先蒸汽软化再加压粘合。正确项对在：蒸汽使热熔胶软化，随后加压使胶层渗透粘合，最后冷却固化。先加压后蒸汽无法有效粘合；先冷却后加压失去粘合时机；先蒸汽后冷却再加压胶层已固化无法粘合。"},{"id":206,"type":"single","stem":"整烫灯芯绒裤子时，为避免倒绒和压痕，熨烫方向应","options":["顺绒毛方向单向轻推","逆绒毛方向来回熨烫","垂直绒毛方向横向熨烫","任意方向均匀用力"],"answer":[0],"explanation":"知识点：灯芯绒绒毛方向性整烫。正确项对在：顺绒单向轻推可保持绒毛倒向一致，避免倒绒。逆绒来回会压倒绒毛；垂直横向会压出横痕；任意方向会破坏绒面一致性。"},{"id":207,"type":"single","stem":"使用蒸汽发生器整烫厚重呢大衣时，蒸汽压力不足会导致","options":["面料表面出现水渍","蒸汽无法穿透纤维层","熨斗底板温度骤升","织物产生极光"],"answer":[1],"explanation":"知识点：蒸汽压力与穿透力关系。正确项对在：厚重呢料需足够蒸汽压力才能穿透纤维层完成湿热定型。压力不足时蒸汽停留在表面，无法深入；水渍由冷凝水造成；压力不足不会使底板温度骤升；极光由高温高压摩擦造成。"},{"id":208,"type":"single","stem":"整烫弹力牛仔布裤腰时，为防止弹性损失，熨斗应","options":["高温重压快速定型","中温轻压短时接触","低温长时间反复熨烫","高温蒸汽持续加湿"],"answer":[1],"explanation":"知识点：弹力织物热定型原则。正确项对在：中温轻压短时接触可减少对氨纶的热损伤。高温重压会熔损弹性；低温长时间反复熨烫虽温度低但热累积同样损伤氨纶；高温蒸汽持续加湿加速弹性衰减。"},{"id":209,"type":"single","stem":"整烫完成后发现白色棉衬衫前襟出现黄色焦痕，最可能的原因是","options":["蒸汽量过大","熨斗温度过高","烫台吸风过强","面料含水率过高"],"answer":[1],"explanation":"知识点：棉织物焦痕成因。正确项对在：棉纤维高温下炭化变黄形成焦痕。蒸汽量大会造成水渍非焦痕；吸风过强影响定型但不致焦黄；含水率过高只会产生水渍或蒸汽烫痕。"},{"id":210,"type":"single","stem":"某整烫工整烫醋酸面料连衣裙时，熨斗停留时间稍长即出现局部发亮，正确的下一步处置是","options":["立即用湿布覆盖重新熨烫","降低温度后垫布轻烫该部位","用蒸汽熏蒸使亮光消退","用毛刷蘸水刷洗发亮处"],"answer":[1],"explanation":"知识点：醋酸面料极光处置。正确项对在：醋酸纤维热塑性极光一旦形成难消除，降低温度垫布轻烫可防止扩大并减轻。湿布重烫可能加重极光；蒸汽熏蒸无法消除已形成的极光；刷洗会损伤面料表面。"},{"id":211,"type":"single","stem":"整烫羊毛华达呢西服前片时，熨斗温度应控制在哪个范围并配合哪种操作","options":["120～140℃，直接干烫定型","150～170℃，垫干布熨烫","160～180℃，垫湿布熨烫后烘干","200℃以上，快速压烫后冷却"],"answer":[2],"explanation":"知识点是羊毛纤维的熨烫温度与给湿定型。羊毛耐热性有限，需在160～180℃垫湿布熨烫，利用蒸汽使纤维可塑变形，再烘干冷却定型。120～140℃温度不足难以定型；150～170℃垫干布缺少水分，毛纤维难以充分软化；200℃以上会损伤羊毛并产生极光。"},{"id":212,"type":"single","stem":"熨烫深色精纺毛料服装时，为避免产生极光，最合适的加压方式是","options":["加大压力快速推烫","垫薄棉布轻压短促熨烫","直接高温重压往复熨烫","喷水后用力压住停留"],"answer":[1],"explanation":"知识点是极光产生原因与防止方法。极光是织物表面纤维被压平反光，深色精纺毛料尤易出现，应垫薄棉布、轻压、短促熨烫。加大压力快速推烫会加剧纤维压平；直接高温重压往复熨烫必然产生极光；喷水后用力压住停留会使局部受压过度并留下水渍印。"},{"id":213,"type":"single","stem":"蒸汽熨斗使用中突然发现喷出的是水滴而非蒸汽，最先应检查的部位是","options":["电源电压是否稳定","水箱水量是否过满","熨斗底板温度是否过低","蒸汽软管是否弯折"],"answer":[2],"explanation":"知识点是蒸汽熨斗喷水的常见原因。底板温度过低时水未完全汽化即喷出，形成水滴。电压不稳多影响加热功率而非直接喷水；水箱过满通常表现为溢水而非喷水滴；软管弯折影响蒸汽量，但喷水滴首先应查底板温度。"},{"id":214,"type":"single","stem":"整烫涤纶与粘胶纤维混纺衬衫时，温度应如何选择","options":["按涤纶的耐热温度设定","按粘胶的耐热温度设定","取两者中较低的耐热温度设定","取两者中较高的耐热温度设定"],"answer":[2],"explanation":"知识点是混纺面料熨烫温度的确定原则。混纺面料应按耐热性较低的那种纤维设定温度，否则耐热低的一方会受损。粘胶耐热性低于涤纶，按涤纶设定会烫坏粘胶；按粘胶设定虽安全但未体现原则；取较高温度会损伤粘胶。"},{"id":215,"type":"single","stem":"整烫工序中，服装经熨烫后需要冷却定型，其目的是","options":["使面料颜色更加鲜艳","让纤维在冷却中固定新形态","使服装含水率迅速提高","减少熨斗底板的磨损"],"answer":[1],"explanation":"知识点是热定型原理。纤维在加热加湿后处于可塑状态，冷却过程中分子链重新排列并固定，从而保持平整形态。冷却不改变颜色；冷却使水分蒸发而非提高含水率；冷却与熨斗底板磨损无关。"},{"id":216,"type":"single","stem":"熨烫柞蚕丝面料时，与桑蚕丝相比正确的处理方式是","options":["温度可略高并适当喷水","温度应更低且不喷水","温度相同但需重压","温度相同但需垫湿布"],"answer":[0],"explanation":"知识点是柞蚕丝与桑蚕丝的熨烫差异。柞蚕丝耐热性略高于桑蚕丝，可适当提高温度并喷水。温度更低且不喷水不符合柞蚕丝特性；重压会使柞蚕丝产生压痕；垫湿布对柞蚕丝并非必需且易留水渍。"},{"id":217,"type":"single","stem":"整烫西裤裤线时，为防止裤线移位，正确的操作顺序是","options":["先烫裤线再烫裤腰","先烫裤腰再烫裤线","先烫裤脚再烫裤线","先烫裤线再烫裤脚"],"answer":[1],"explanation":"知识点是西裤整烫的工序顺序。应先烫裤腰固定上口，再烫裤线，避免裤腰未定型导致裤线偏移。先烫裤线再烫裤腰会使已定型的裤线在后续操作中移位；先烫裤脚再烫裤线同样顺序颠倒；先烫裤线再烫裤脚无法保证裤线位置准确。"},{"id":218,"type":"single","stem":"熨烫针织罗纹领口时，为避免领口被拉大变形，应采取的措施是","options":["用力拉伸领口后熨烫","顺罗纹方向轻推不拉伸","高温重压使罗纹定型","喷水后悬挂晾干"],"answer":[1],"explanation":"知识点是针织罗纹的熨烫要点。罗纹弹性大，拉伸后熨烫会定型在拉大状态，应顺罗纹方向轻推不拉伸。用力拉伸会使领口变大；高温重压会破坏罗纹弹性；喷水后悬挂晾干无法达到整烫定型效果。"},{"id":219,"type":"single","stem":"某整烫工熨烫一件真丝连衣裙时发现局部出现水渍印，最可能的原因是","options":["熨斗温度过高","喷水过多且未及时烫干","熨斗压力过大","熨烫时间过短"],"answer":[1],"explanation":"知识点是真丝水渍印成因。真丝对水敏感，喷水过多且未及时烫干会留下水渍印。温度过高表现为泛黄或脆化；压力过大表现为极光或压痕；时间过短表现为定型不足。"},{"id":220,"type":"multi","stem":"关于整烫后服装的冷却与存放，下列做法正确的有","options":["烫后立即折叠装入塑料袋","烫后悬挂冷却至室温再包装","冷却后再进行折叠和装袋","趁热折叠可使折痕更挺括","冷却过程中避免重压"],"answer":[1,2,4],"explanation":"知识点是整烫后冷却与包装要求。烫后应悬挂冷却至室温再折叠装袋，冷却中避免重压，否则未定型的纤维会被压出新的褶皱。立即装袋会使残余湿气无法散出；趁热折叠会在冷却中形成不必要折痕。"},{"id":221,"type":"single","stem":"整烫涤纶衬衫时，熨斗温度应控制在哪个范围","options":["60～80℃","100～120℃","140～160℃","180～200℃"],"answer":[2],"explanation":"涤纶属热塑性合成纤维，涤纶的玻璃化温度约67～81℃，安全熨烫温度在140～160℃之间，超过会熔融或极光。60～80℃是腈纶等热敏纤维的低温区，100～120℃接近涤纶软化下限但达不到定型效果，180～200℃会使涤纶熔融粘连。"},{"id":222,"type":"single","stem":"整烫毛料西服上衣前，对胸衬部位进行\"归拔\"处理时的正确操作是","options":["用中温熨斗由外向内推烫使胸部隆起","用高温熨斗快速压烫使衬布平整贴服","先喷水再低温轻压使衬布收缩","加大蒸汽后用力下压使衬布延展定型"],"answer":[0],"explanation":"归拔是利用毛料的可塑性，通过推、拉、归、拔改变织物经纬密度，使胸部隆起符合人体曲面。快速压烫会使衬布压死失去弹性，低温轻压达不到塑形效果，用力下压延展会破坏胸衬弧度。"},{"id":223,"type":"single","stem":"熨烫深色纯棉织物时，发现熨斗移动处出现光泽发亮的极光，最可能的原因是","options":["熨斗温度过低导致水分未蒸发","熨斗温度过高且未垫烫布直接压烫","蒸汽量过大使面料含水过多","吸风时间过长使面料急速冷却"],"answer":[1],"explanation":"极光是棉纤维在高温高压下表面纤维被压平、光反射增强造成的。温度过低不会产生极光，蒸汽量过大和吸风时间过长与极光无直接关系，只有高温加直接压烫才会压平纤维表面。"},{"id":224,"type":"single","stem":"整烫腈纶针织衫时正确的操作方式是","options":["用高温蒸汽直接喷射定型","用低温垫布轻压并减少停留时间","用中温熨斗反复推压使尺寸稳定","先浸水后中温熨烫使纤维软化"],"answer":[1],"explanation":"腈纶软化温度低（约190℃即分解，玻璃化温度约80～100℃），熨烫需低温、垫布、轻压、快移，防止熔融和极光。高温喷射会使纤维收缩发硬，反复推压会使针织物拉伸变形，浸水后中温熨烫仍会因温度偏高损伤纤维。"},{"id":225,"type":"single","stem":"蒸汽熨斗使用完毕后，正确的保养操作是","options":["趁热倒出余水并立即收纳","待冷却后倒净余水并空喷排湿","直接放入工具箱避免碰坏底板","加满清水防止密封圈老化"],"answer":[1],"explanation":"蒸汽熨斗用后应冷却、倒净余水、通电空喷把内部水汽排出，防止水垢堵塞汽孔和密封件老化。趁热收纳易烫坏配件，直接入箱余水会腐蚀底板，加满清水长期存放会加速水垢沉积。"},{"id":226,"type":"single","stem":"整烫丝绸旗袍时，熨烫温度应选择","options":["60～80℃","90～110℃","120～140℃","150～170℃"],"answer":[1],"explanation":"丝绸属蛋白质纤维，耐热性低于棉高于毛，安全熨烫温度约90～110℃，需垫布反面烫。60～80℃达不到定型效果，120～140℃会使丝绸泛黄发脆，150～170℃会直接焦化。"},{"id":227,"type":"single","stem":"在整烫工序中，\"烫干\"与\"烫挺\"的主要区别是","options":["烫干是去除水分，烫挺是压出折痕","烫干是低温操作，烫挺是高温操作","烫干是手工完成，烫挺是机械完成","烫干用于夏装，烫挺用于冬装"],"answer":[0],"explanation":"烫干是通过蒸汽和吸风去除面料中的水分，使织物干燥；烫挺是通过加压和定型使衣片挺括、折痕清晰。两者温度、工具、适用季节均无固定对应关系，混淆点在于把\"干\"和\"挺\"误当作温度或工具的差异。"},{"id":228,"type":"single","stem":"熨烫粘合衬衣片时出现气泡脱胶，最可能的原因是","options":["熨斗温度偏低且压力不足","粘合衬含水率过低","熨烫时间过长导致胶层老化","面料与衬布颜色不一致"],"answer":[0],"explanation":"粘合衬靠热熔胶在一定温度、压力、时间下熔融渗透。温度偏低胶未完全熔融，压力不足胶层与面料接触不实，冷却后即起泡脱胶。含水率过低反而利于粘合，时间过长会使胶渗透过度而非脱胶，颜色与粘合无关。"},{"id":229,"type":"single","stem":"整烫羊毛衫时，熨斗移动方向应遵循的原则是","options":["顺毛流方向由下往上推烫","逆毛流方向由上往下压烫","垂直毛流方向横向来回熨烫","沿任意方向快速往复熨烫"],"answer":[0],"explanation":"羊毛纤维有鳞片层，顺毛流方向由下往上轻推可避免鳞片倒伏起毛球，保持手感柔顺。逆毛流压烫会损伤鳞片造成起球，横向往复会拉伸织物变形，任意方向快速熨烫既不顺毛也易压出极光。"},{"id":230,"type":"single","stem":"某批真丝连衣裙整烫后领口出现水渍圈，检查发现蒸汽熨斗水箱中加了自来水，正确的处置方法是","options":["继续用自来水但每次烫后立即烘干","更换为蒸馏水或去离子水并清洗水箱","改用纯净水但保留原有水垢","在自来水中加少量白醋后继续使用"],"answer":[1],"explanation":"自来水中钙镁离子随蒸汽喷出会在真丝上留下水渍圈。正确做法是换用蒸馏水或去离子水并清洗水箱除垢。继续用自来水烫后烘干无法消除水渍，纯净水仍含少量矿物质且不除垢，加白醋会腐蚀水箱且酸性物质可能损伤真丝。"},{"id":231,"type":"single","stem":"熨烫粘合衬时，若发现衬布边缘出现波浪状起皱，且粘合后无法消除，最可能的原因是","options":["压烫温度偏低导致胶点未完全熔融","面料与衬布在压烫前未做预缩处理","压烫时间过短使胶点未渗透面料","压烫后未等冷却就直接搬运堆叠"],"answer":[1],"explanation":"知识点是粘合衬压烫对面料与衬布收缩率匹配的要求。正确项对：面料与衬布缩率不一致时，压烫受热后收缩差异会以波浪状起皱形式固定在粘合面上。A错在温度偏低通常表现为粘合不牢而非起皱；C错在时间过短同样表现为剥离强度不足；D错在未冷却堆叠主要造成压痕或胶点回粘，不是边缘波浪皱。"},{"id":232,"type":"single","stem":"整烫毛呢大衣时，为使驳头翻折线自然服帖，在翻折线处施加蒸汽后应","options":["趁热用熨斗压死翻折线使其定型","待蒸汽渗透后用冷熨斗压实冷却","立即用湿布覆盖并高温重压","用蒸汽吹过后自然悬挂晾干"],"answer":[1],"explanation":"知识点是毛呢类面料翻折线定型需先汽后冷、避免热压出极光。正确项对：蒸汽使纤维软化，冷压冷却使折线在冷却过程中固定，既服帖又不产生极光。A错在趁热压死会造成极光并使折线生硬；C错在高温重压加剧极光和倒毛；D错在自然晾干无法固定折线形态且易回弹。"},{"id":233,"type":"single","stem":"使用真空吸风烫台整烫薄型真丝衬衫时，吸风的作用主要是","options":["加快面料冷却速度以固定褶裥","防止熨斗高温直接接触面料","使面料紧贴台面便于精确对位","抽走面料内部多余水分和蒸汽"],"answer":[2],"explanation":"知识点是真空吸风烫台的功能原理。正确项对：吸风使面料被吸附平贴在台面上，便于对位、防止移动，是吸风烫台的核心用途。A错在吸风主要不是冷却手段；B错在吸风不能隔绝熨斗热接触；D错在吸风虽有助于排除部分蒸汽，但主要功能是固定面料。"},{"id":234,"type":"single","stem":"整烫涤纶与棉混纺的衬衫袖口时，若温度设定过高，最先出现的典型损伤是","options":["袖口边缘收缩起皱并伴有极光","袖口缝线处出现焦黄碳化","面料表面出现水渍印","袖口整体变得柔软失去挺括度"],"answer":[0],"explanation":"知识点是涤纶热塑性导致的过热收缩与极光。正确项对：涤纶受热超过软化温度会收缩，混纺面料中涤纶收缩而棉不缩，表现为边缘收缩起皱并因压烫产生极光。B错在焦黄碳化是天然纤维高温炭化特征，涤纶主要表现为熔融收缩；C错在水渍印是蒸汽冷凝或水质问题；D错在过热不会使面料变柔软，反而可能变硬或收缩。"},{"id":235,"type":"single","stem":"整烫西服前身时，为做出胸部饱满的立体造型，推烫的主要手法是","options":["从肩部向下单向直线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，反复刷烫会导致绒面倒伏和变形。"},{"id":254,"type":"single","stem":"使用真空烫台熨烫薄型真丝面料时，吸风过强最易造成的质量问题是","options":["面料被吸出烫台孔痕并产生变形","面料表面出现水渍印和蒸汽斑","面料边缘因过热产生焦黄变色","面料经纬纱被拉直形成极光"],"answer":[0],"explanation":"薄型真丝强力低，真空吸风过强会把面料吸进烫台吸风孔，形成孔痕甚至局部变形。B水渍来自给湿不当；C焦黄是温度过高所致；D极光多因压力过大或直接摩擦，与吸风强度无直接关系。"},{"id":255,"type":"single","stem":"熨烫粘胶纤维面料时，若在潮湿状态下用力拉伸并高温定型，冷却后最可能出现的结果是","options":["面料尺寸稳定且手感挺括","面料产生不可回复的伸长变形","面料表面形成均匀的细密褶裥","面料强力提高且不易起毛"],"answer":[1],"explanation":"粘胶纤维湿态强力低、延伸性大，潮湿状态下拉伸并高温定型，冷却后伸长部分不能回复，形成不可逆变形。A与湿态拉伸的事实相反；C均匀褶裥需专门压褶工艺；D粘胶湿态强力下降，不可能提高。"},{"id":256,"type":"single","stem":"压烫机熨烫西裤侧缝时，若上下模压力过大且未铺平，最容易产生的缺陷是","options":["侧缝处出现双道压痕并伴极光","裤腿整体长度缩短超过标准","面料颜色出现区域性变浅","缝线处产生规律性跳针痕迹"],"answer":[0],"explanation":"压力过大且未铺平时，侧缝两侧面料被压出双道痕迹，同时受压面产生极光。B整体缩短主要与热缩有关；C颜色变浅通常是高温或摩擦造成，不是压力单独作用；D跳针是缝纫工序问题，与压烫无关。"},{"id":257,"type":"single","stem":"整烫含氨纶的弹力牛仔服装时，下列做法正确的是","options":["采用高温短时压烫以提高定型效果","采用中低温并控制拉伸幅度轻烫","先在冷水中浸泡再高温压烫定形","用蒸汽刷反复刷烫以消除所有皱痕"],"answer":[1],"explanation":"氨纶耐热性有限，高温会使其弹性受损，应中低温并控制拉伸幅度轻烫。A高温短时仍可能损伤氨纶；C浸泡后高温压烫同样会破坏弹性；D反复刷烫会使弹力面料局部变形。"},{"id":258,"type":"single","stem":"整烫车间发现某批深色棉质衬衫熨烫后局部出现发白亮斑，最可能的原因是","options":["蒸汽压力不足导致给湿不均匀","熨斗底板有异物或温度局部过高","真空吸风时间过长造成纤维倒伏","面料本身存在染色不匀的隐蔽缺陷"],"answer":[1],"explanation":"深色棉织物局部发白亮斑多因熨斗底板粘有杂质划伤或局部温度过高使纤维表面受损反光。A给湿不匀形成水渍而非亮斑；C吸风过长造成孔痕或变形；D染色不匀表现为色差，不会集中在熨烫接触点。"},{"id":259,"type":"single","stem":"在整烫工序中，熨烫完成的服装应采取的冷却处理方式是","options":["立即折叠装袋以节省周转空间","自然冷却或吹风冷却后再折叠","趁热用重物压住使其平整定型","喷冷水雾加速降温后立即包装"],"answer":[1],"explanation":"熨烫后纤维仍处于可塑状态，需自然冷却或吹风冷却使定型稳定后再折叠。A趁热折叠会使折痕加深并产生新皱；C重物压住趁热定型易产生极光和压痕；D喷冷水雾会造成水渍和回潮不均。"},{"id":260,"type":"single","stem":"某操作工熨烫一件涤纶衬衫时，发现前襟出现不规则亮光，他应先采取的措施是","options":["提高温度重新压烫使亮光均匀化","降低温度并垫布重新轻烫该部位","用蒸汽刷反复刷烫亮光区域","在亮光处喷水后用力压烫消除"],"answer":[1],"explanation":"涤纶亮光多因温度过高或直接摩擦造成，应先降低温度并垫布轻烫，避免继续损伤。A提高温度会加重亮光；C蒸汽刷反复刷烫会使亮光扩大；D喷水后用力压烫会加深极光。"},{"id":261,"type":"single","stem":"熨烫毛呢类服装时，为防烫黄并保持呢面平整，操作上通常采用","options":["垫干布直接高温压烫","垫湿布中温熨烫后抽湿定型","喷水后立即用高温熨斗压烫","垫湿布低温反复摩擦熨烫"],"answer":[1],"explanation":"知识点是毛呢面料的热定型方式。毛呢导热差、易烫黄，需垫湿布中温熨烫，利用蒸汽软化纤维再抽湿定型。直接高温压烫会烫黄；喷水后高温压烫同样易烫黄；低温反复摩擦会起极光且定型不足。"},{"id":262,"type":"single","stem":"熨烫化纤混纺面料时出现局部发亮起极光，较合理的处置是","options":["提高温度重新压烫消除","垫干布快速反复摩擦","垫湿布降低温度轻压熨烫","用蒸汽悬空喷汽后立即重压"],"answer":[2],"explanation":"极光是化纤受热受压后纤维表面塑化所致。正确处置是降低温度、垫湿布、减小压力轻压熨烫。提高温度会加重极光；干布摩擦会加剧塑化；喷汽后重压同样会加深极光。"},{"id":263,"type":"single","stem":"整烫西服驳头时，为防止驳口起皱并保持弧线，操作要点是","options":["平铺后用熨斗横向压平","按驳口弧线顺势归拢熨烫","先压死驳口再整体定型","垫干布从驳口顶端向下压烫"],"answer":[1],"explanation":"驳头有自然翻驳弧线，应按弧线顺势归拢熨烫以保持弧势。横向压平会破坏弧线；先压死驳口会使翻折过硬变形；从顶端向下压烫易使驳口起皱。"},{"id":264,"type":"single","stem":"熨烫针织罗纹下摆时，为避免拉长变形，正确做法是","options":["用力拉伸后高温定型","顺纹轻推不拉伸中温熨烫","垫湿布高温压烫后冷却","悬空喷汽后悬挂晾干定型"],"answer":[1],"explanation":"罗纹弹性大，受力易伸长，应顺纹轻推、不拉伸、中温熨烫。拉伸后高温定型会使尺寸固定变形；垫湿布高温压烫会压死弹性；悬空喷汽无法平整定型。"},{"id":265,"type":"single","stem":"熨烫真丝衬衫时发现表面出现水渍印，较恰当的处置是","options":["提高温度重新熨干","用干布蘸清水擦除","整体过水后重新熨烫","低温垫布重新熨烫并自然挥发"],"answer":[3],"explanation":"真丝水渍印多因水滴局部浓缩形成，低温垫布重新熨烫使水分均匀挥发可消除。提高温度会烫伤丝绸；蘸水擦拭会扩大水渍；整体过水成本高且易缩水。"},{"id":266,"type":"single","stem":"压烫机（平板烫机）熨烫粘合衬服装时，参数设置的核心是","options":["只控制温度不需控制时间","温度、压力、时间三要素匹配","压力越大粘合越牢固","时间越长粘合越耐久"],"answer":[1],"explanation":"粘合衬压烫需温度、压力、时间三要素匹配，缺一不可。只控温度会粘合不牢；压力过大会渗胶；时间过长会使面料起极光或胶老化。"},{"id":267,"type":"single","stem":"熨烫完成后服装需冷却定型，其工艺目的是","options":["使面料温度降至室温","让纤维在受力状态下冷却固定","蒸发衣料表面残留水分","防止熨斗底板氧化"],"answer":[1],"explanation":"冷却定型是让纤维在受力状态下冷却，使熨烫形成的形态固定下来。单纯降温、蒸发水分、防止底板氧化都不是冷却定型的工艺目的。"},{"id":268,"type":"single","stem":"整烫羊绒大衣时，蒸汽熨斗应保持的距离和方式是","options":["底板紧贴衣料压烫","距衣料2~3厘米悬空喷汽","距衣料10厘米以上远喷","底板垫湿布紧压熨烫"],"answer":[1],"explanation":"羊绒表面绒毛丰富，宜距2~3厘米悬空喷汽使纤维回软，再轻压定型。紧贴压烫会压死绒毛起极光；远喷汽量不足；垫湿布紧压同样压死绒毛。"},{"id":269,"type":"single","stem":"熨烫过程中发现熨斗底板粘附化纤熔融物，正确的清理方式是","options":["趁热用湿布用力擦拭","冷却后用专用清洁剂清除","用刀片刮除粘附物","继续熨烫让其自然脱落"],"answer":[1],"explanation":"底板粘附化纤需冷却后用专用清洁剂清除，避免损伤涂层。趁热擦拭会烫伤且扩大污染；刀片刮除会划伤底板；继续熨烫会污染衣料。"},{"id":270,"type":"single","stem":"某整烫工熨烫一批深色涤纶西裤，烫后在侧缝处出现明显极光，返工时应优先","options":["提高温度快速压平","垫湿布降低温度轻压烫","用蒸汽反复喷汽后重压","用刷子蘸水刷洗极光处"],"answer":[1],"explanation":"涤纶极光因高温高压塑化，返工需降低温度、垫湿布轻压使纤维回软。提高温度加重极光；喷汽后重压同样加深；刷水刷洗会损伤面料并留水渍。"},{"id":271,"type":"single","stem":"熨烫化纤混纺衬衫袖口时，面料出现极光（发亮）现象，最可能的原因是","options":["熨斗温度过低且反复推熨","熨斗温度过高且直接压烫","垫布含水过多且蒸汽过量","熨斗移动过快且压力过轻"],"answer":[1],"explanation":"极光多因高温直接压烫使化纤表面熔融发亮。温度过低反复推熨主要造成起皱或湿印；含水过多蒸汽过量易造成水渍；移动过快压力过轻则定型不足，均不产生极光。"},{"id":272,"type":"single","stem":"整烫毛呢西服前身时，为保护绒毛和避免极光，应选择的作业方式是","options":["高温直接熨烫后立即折叠","垫湿布低温轻压并配合蒸汽","用熨斗尖端反复刮压缝线","干烫后趁热用毛刷逆向刷毛"],"answer":[1],"explanation":"毛呢需垫湿布、低温、蒸汽配合，避免直接高温压烫损伤绒毛。高温直接熨烫会倒毛产生极光；熨斗尖端刮压会拉伤绒毛；趁热逆刷会破坏绒面方向。"},{"id":273,"type":"single","stem":"蒸汽熨斗使用中突然喷出大量水滴污染面料，最应优先检查的部件是","options":["熨斗底板涂层是否脱落","水箱水位是否超过最高线","电源电压是否稳定","蒸汽调节旋钮是否在最大档"],"answer":[1],"explanation":"水箱超最高水位会使水未充分汽化即喷出。底板涂层脱落影响滑动和极光，不直接喷水；电压不稳影响加热；蒸汽档位过大在正常水位下通常只增加蒸汽量而非大量水滴。"},{"id":274,"type":"single","stem":"整烫真丝连衣裙时，正确的操作顺序是","options":["先烫领子再烫袖子最后烫大身","先烫大身再烫袖子最后烫领子","先烫袖口再烫大身最后烫领子","先烫领子再烫大身最后烫袖子"],"answer":[0],"explanation":"整烫一般遵循先小后大、先难后易，先领子、袖子再大身，避免大身烫好后被后续操作压皱。其余顺序均会造成已烫部位返皱或领子变形。"},{"id":275,"type":"single","stem":"熨烫针织罗纹下摆时，为防止拉伸变形，正确做法是","options":["用力向两侧拉平后高温定型","按原尺寸轻放并用蒸汽定型","先拉伸再冷却以固定回弹","用夹板夹住下摆两端悬挂熨烫"],"answer":[1],"explanation":"针织罗纹需按原尺寸轻放、蒸汽定型，避免拉伸。拉伸后高温定型会使尺寸变大；先拉伸再冷却会固定变形；夹住两端悬挂熨烫也会产生拉长。"},{"id":276,"type":"single","stem":"整烫深色棉质西裤时，面料表面出现水渍印，最可能的原因是","options":["蒸汽温度过高且熨斗停留过久","垫布含水不均或熨斗滴水","熨斗压力过大且移动过快","面料含棉量过高且未预缩"],"answer":[1],"explanation":"水渍印多因垫布含水不均或熨斗滴水造成局部水痕。蒸汽温度过高停留过久易产生极光或焦痕；压力大移动快定型不足；含棉量高未预缩影响缩水而非水渍。"},{"id":277,"type":"single","stem":"使用真空吸风烫台整烫薄型雪纺时，吸风量应如何设置","options":["开到最大以快速冷却定型","关闭吸风以免面料被吸变形","调至较小并配合轻压定型","先最大吸风再突然关闭"],"answer":[2],"explanation":"薄型雪纺易被强吸风拉伸变形，应调小吸风并轻压。最大吸风会吸变形；完全关闭不利于冷却固定；先最大再突然关闭会造成忽拉忽松。"},{"id":278,"type":"single","stem":"熨烫带有热熔粘合衬的西装驳头时，若出现起泡脱胶，最可能的原因是","options":["熨烫温度偏低且时间过短","熨烫温度过高且压力不足","垫布过厚且蒸汽过少","熨斗移动过快且未冷却"],"answer":[1],"explanation":"热熔粘合衬起泡脱胶常因温度过高使胶层老化或压力不足未粘牢。温度偏低时间短只是粘不牢；垫布过厚蒸汽少影响传热；移动快未冷却影响定型而非脱胶主因。"},{"id":279,"type":"single","stem":"整烫羊毛衫时，发现肩部被拉长变形，正确的补救处置是","options":["用高温熨斗压烫肩部使其回缩","喷水后按原尺寸轻推并用蒸汽定型","悬挂加重物使其自然回缩","用冷水浸泡后平铺晾干"],"answer":[1],"explanation":"羊毛衫肩部拉长可喷水后按原尺寸轻推、蒸汽定型恢复。高温压烫会倒毛极光；悬挂加重会继续拉长；冷水浸泡平铺晾干不能恢复已拉伸的线圈结构。"},{"id":280,"type":"single","stem":"服装厂整烫车间发现蒸汽管道压力突然下降，熨烫质量受影响，操作工首先应","options":["继续熨烫并加大熨斗压力补偿","暂停熨烫并报告设备维修人员","打开疏水阀排放冷凝水后继续","调高熨斗温度以弥补蒸汽不足"],"answer":[1],"explanation":"蒸汽压力突降属设备异常，应先停烫并报修，避免批量质量事故。继续加大压力、调高温度会损伤面料；排放冷凝水只处理积水，不能解决压力不足。"},{"id":281,"type":"single","stem":"整烫涤纶与氨纶混纺运动服时，为避免氨纶弹性损伤，熨烫温度应","options":["高于涤纶常规温度以快速定型","低于涤纶常规温度并减少停留","与纯棉温度相同并加湿熨烫","与羊毛温度相同并垫厚布"],"answer":[1],"explanation":"氨纶耐热性差，混纺时应低于涤纶常规温度并减少停留，防止弹性损伤。高于涤纶温度会损伤氨纶；纯棉温度过高；羊毛温度也偏高且垫厚布不能解决热损伤。"},{"id":282,"type":"multi","stem":"整烫一件带褶裥的百褶裙时，为保证褶裥挺括且不损伤面料，正确的做法有","options":["按原褶位逐条对齐后用蒸汽定型","垫薄布低温轻压避免极光","烫后趁热立即折叠堆压","用夹子固定褶位冷却后再松开","高温直接压烫褶线使其硬化"],"answer":[0,1,3],"explanation":"百褶裙需对齐褶位、垫布低温轻压、固定冷却后松开，才能挺括不伤料。趁热折叠堆压会压乱褶位；高温直接压烫会使化纤面料极光或硬化。"},{"id":283,"type":"single","stem":"整烫涤纶衬衫时，熨斗温度应控制在哪个范围才能既定型又不使面料熔融发亮","options":["110~130℃","140~160℃","170~190℃","200~220℃"],"answer":[1],"explanation":"涤纶属热塑性合成纤维，软化点约235℃、安全熨烫温度140~160℃，此区间可定型且不损伤。110~130℃温度偏低，涤纶难以定型易回弹；170~190℃接近涤纶软化区，易产生极光或熔孔；200~220℃超过安全上限，会造成面料熔融发亮。"},{"id":284,"type":"single","stem":"蒸汽熨烫中若发现烫台真空吸力明显减弱，面料贴附不牢，最应先检查的部位是","options":["锅炉蒸汽压力表读数","烫台吸风通道与滤网堵塞","熨斗底板温度旋钮位置","面料含水率是否偏低"],"answer":[1],"explanation":"真空吸力减弱最常见原因是吸风通道或滤网被绒毛、浆料粉尘堵塞，清理后即可恢复。蒸汽压力表反映供汽而非吸风，与吸力无直接关系；温度旋钮控制加热不控制吸力；含水率影响定型效果但不改变吸力大小。"},{"id":285,"type":"single","stem":"整烫针织罗纹领口时，为防止领口被拉大变形，应采用的熨烫手法是","options":["横向拉伸后压烫定型","顺纹轻推、不横向拉扯地熨烫","反复来回摩擦使罗纹挺括","高温重压使罗纹变硬定型"],"answer":[1],"explanation":"罗纹弹性依靠线圈结构，横向拉伸会破坏弹性使领口松弛，应顺纹轻推、少拉。横向拉伸压烫会永久拉大领口；反复摩擦会起毛起球且损伤线圈；高温重压会使弹性纤维老化变硬，丧失回弹。"},{"id":286,"type":"single","stem":"熨烫深色棉布衬衫时底板上出现白色粉末状污物，最可能的来源是","options":["面料掉色染到熨斗","蒸汽中的水垢或浆料残留物","熨斗底板涂层脱落","面料纤维被高温碳化"],"answer":[1],"explanation":"白色粉末多为蒸汽带出的水垢或面料浆料残留物在底板积聚。面料掉色会留下深色污迹而非白粉；底板涂层脱落呈片状金属色剥落；纤维碳化呈焦黄或黑褐色，与白色粉末不符。"},{"id":287,"type":"single","stem":"对含氨纶的弹力面料进行整烫时，为保持弹性回复率，熨斗温度宜选择","options":["150~170℃","110~130℃","180~200℃","200℃以上"],"answer":[1],"explanation":"氨纶耐热性较差，高温会使其弹性下降甚至熔断，宜用110~130℃低温并配合蒸汽。150~170℃已接近氨纶受损区间；180~200℃会明显损伤弹性；200℃以上会使氨纶熔融失去弹力。"},{"id":288,"type":"single","stem":"整烫完成的服装应采取的冷却放置方式是","options":["立即折叠装入塑料袋密封","平放或挂置自然冷却后再包装","趁热叠压以固定折痕","喷水后立即装袋保湿定型"],"answer":[1],"explanation":"整烫后需自然冷却使纤维定型稳定，再包装可防止回潮变形和压痕。立即密封会使余热余湿闷在袋内造成皱缩；趁热叠压会把未定型的折痕再次压死；喷水密封会使服装受潮发霉。"},{"id":289,"type":"single","stem":"熨烫羊毛衫袖口时发现袖口被烫出亮光，下一步正确的处理是","options":["继续高温压烫使亮光均匀","用蒸汽熏蒸并轻刷使绒毛复原","用湿布用力擦拭去除亮光","涂蜡后低温熨平覆盖亮光"],"answer":[1],"explanation":"羊毛极光是绒毛倒伏压平所致，可用蒸汽熏蒸配合软刷使绒毛重新立起。继续高温压烫会加重极光；湿布用力擦拭会损伤呢面并扩大极光面积；涂蜡属于错误补救，会污染面料且无法恢复绒毛。"},{"id":290,"type":"single","stem":"整烫化纤混纺西裤时，为获得挺括裤线又不损伤面料，正确的加压方式是","options":["低温轻压、多次通过","高温重压、一次压死","中温重压、长时间停留","低温重压、反复摩擦"],"answer":[0],"explanation":"混纺面料需在安全温度下多次轻压逐步定型，避免一次性重压造成极光或压痕过深。高温重压一次压死易产生极光和熔伤；中温重压长时间停留会使局部过热；低温重压反复摩擦会磨损面料并起毛。"},{"id":291,"type":"single","stem":"某工人在整烫一批真丝连衣裙时，为防止水渍决定干烫，结果裙面出现细密皱纹且难以消除，其错误的环节是","options":["未使用蒸汽而采用干烫","熨斗移动速度过慢","底板温度设定偏低","烫台吸风开得过大"],"answer":[0],"explanation":"真丝需一定湿度配合蒸汽才能舒展定型，干烫会使纤维失水收缩起细皱。移动过慢只会造成局部过热而非均匀细皱；温度偏低定型不足但不是皱纹主因；吸风过大影响吸附不影响纤维含水。"},{"id":292,"type":"single","stem":"熨烫毛料西服前胸部位时，为防止产生极光，最合适的操作方式是","options":["垫干布直接高温压烫","垫湿布后用中温轻压","喷水后直接接触熨斗","垫薄纸板反复推烫"],"answer":[1],"explanation":"知识点是毛料熨烫防极光工艺。毛纤维表面鳞片在高温高压下易倒伏发亮形成极光，垫湿布中温轻压可提供湿气又不直接接触面料，是正确的。垫干布直接高温压烫会因温度过高使毛料极光并损伤纤维；喷水后直接接触熨斗会使局部水分不均并烫出亮痕；垫薄纸板反复推烫会因纸板传热不均且摩擦导致极光。"},{"id":293,"type":"single","stem":"使用蒸汽熨斗熨烫真丝衬衫时，蒸汽量应如何控制","options":["开至最大蒸汽快速通过","关闭蒸汽改用电熨斗","少量蒸汽配合低温轻烫","先大量蒸汽再高温压平"],"answer":[2],"explanation":"知识点是真丝面料的热湿敏感性。真丝耐热性差、易缩易皱，应少量蒸汽配合低温轻烫，避免水渍和极光。开至最大蒸汽快速通过会造成水渍和纤维损伤；关闭蒸汽改用电熨斗易烫黄烧焦；先大量蒸汽再高温压平会因高温使真丝发脆变色。"},{"id":294,"type":"single","stem":"熨烫涤棉混纺工作服时出现褶皱回弹，最可能的原因是","options":["熨烫温度偏低未定形","熨烫压力过大压死褶","蒸汽量过少纤维未润","冷却时间不足即叠放"],"answer":[0],"explanation":"知识点是热塑性纤维的定形温度。涤纶需达到玻璃化温度以上才能定形，温度偏低时纤维未充分软化，冷却后褶皱回弹。压力过大反而易形成死褶；蒸汽量过少影响润湿但不决定回弹；冷却不足主要造成压痕不清而非回弹。"},{"id":295,"type":"single","stem":"整烫西裤裤线时，为保证裤线持久挺直，正确的工序安排是","options":["先烫裤线再烫裤腰","先烫裤腰再烫裤线","先烫裤线再烫口袋","先烫口袋再烫裤线"],"answer":[1],"explanation":"知识点是整烫工序顺序。应先烫裤腰等上部再向下推烫裤线，避免后续操作破坏已定形的裤线。先烫裤线再烫裤腰会因移动和压烫使裤线变形；先烫裤线再烫口袋会因口袋部位整理牵动裤线；先烫口袋再烫裤线虽口袋在前，但裤腰未整仍影响整体归拔。"},{"id":296,"type":"single","stem":"某整烫工熨烫化纤面料时熨斗在衣料上停留过久，面料出现发亮发硬，正确的后续处置是","options":["立即喷水继续压烫恢复","停止加热改低温垫布轻烫","用湿布覆盖用力反复压","调高温度快速烫平亮痕"],"answer":[1],"explanation":"知识点是化纤热损伤的判断与处置。发亮发硬说明纤维已局部熔融或变性，应停止加热改低温垫布轻烫，防止损伤扩大。立即喷水继续压烫会加剧熔融；湿布覆盖用力反复压会使亮痕加深；调高温度会彻底烧坏面料。"},{"id":297,"type":"single","stem":"熨烫粘合衬衬衫领时，粘合衬起泡脱胶，最可能的原因是","options":["熨烫温度过高胶层熔化","熨烫压力不足胶未渗透","蒸汽过多使胶层稀释","冷却前移动衣片错位"],"answer":[0],"explanation":"知识点是粘合衬的热熔胶工艺。温度过高会使胶层过度熔化流失或使基布收缩，导致起泡脱胶。压力不足影响粘合但通常表现为粘不牢而非起泡；蒸汽过多会使胶层受潮但一般经干燥可恢复；冷却前移动主要造成错位皱褶而非脱胶。"},{"id":298,"type":"single","stem":"整烫羊绒大衣时，发现局部有轻微水渍印，正确的处理方式是","options":["用高温熨斗反复压烫","用湿布继续加湿熨烫","用干净湿布轻擦后低温吸干","用蒸汽对准水渍处猛冲"],"answer":[2],"explanation":"知识点是羊绒面料水渍的处理。羊绒遇水易留水渍，应用干净湿布轻擦后低温吸干，避免高温和大量水。高温反复压烫会烫坏羊绒并留极光；湿布继续加湿会扩大水渍；蒸汽猛冲会使水渍扩散并损伤绒面。"},{"id":299,"type":"multi","stem":"关于熨烫设备的安全操作，下列做法正确的是","options":["熨斗暂放时立放在隔热架上","每日开工前检查电源线绝缘","烫台吸风开启时清理台面杂物","熨斗温度未降即缠线收纳","蒸汽锅炉定期排污除垢"],"answer":[0,1,4],"explanation":"知识点是整烫设备安全操作规程。熨斗暂放立放隔热架可防烫伤台面；开工前检查电源线绝缘可防漏电；蒸汽锅炉定期排污除垢可防堵塞和爆裂，均正确。烫台吸风开启时清理台面杂物易使杂物吸入风机损坏设备；熨斗温度未降即缠线收纳会烫坏电源线绝缘层。"},{"id":300,"type":"multi","stem":"在整烫一件深色精纺羊毛西装上衣前，下列哪些做法有助于防止极光并保持面料手感？","options":["熨烫时在面料上垫一层薄棉布，并控制熨斗温度在中低温档","使用蒸汽熨烫，使熨斗底面与面料保持约1厘米距离悬空给汽","在面料表面直接垫一块湿白布，用高温档快速压烫定型","熨烫过程中让熨斗在衣物表面来回轻推，避免在同一位置停留"],"answer":[0,1],"explanation":"知识点：精纺羊毛面料的整烫防护与极光防治。正确项0垫薄棉布并控制中低温可避免直接高温接触，减少极光并保护手感；正确项1蒸汽悬空给汽能使纤维回软定型而不压出亮光。错误项2湿白布配高温档会使羊毛纤维在湿热和压力下产生极光甚至缩绒，是看似合理的错误做法；错误项3来回轻推虽减少停留，但熨斗底面仍直接摩擦深色羊毛表面，容易压出极光并导致经纬向拉伸变形。"}]}