[{"data":1,"prerenderedAt":61},["ShallowReactive",2],{"q-112190-arch_construction-35":3},{"question":4,"neighbors":26,"sameNumber":45,"prev":34,"next":37},{"id":5,"classKey":6,"session":7,"year":8,"subject":9,"number":10,"groupStem":11,"ownStem":12,"stem":12,"options":13,"answer":18,"answerKind":20,"answerS":11,"answerNote":11,"images":21,"explanation":22,"withheld":11,"deepChars":23,"freq":24,"indexable":25},"arch-112190-801-0103-035","architect","112190",112,"建築構造與施工",35,null,"依據我國之國家標準，吸水率為 20%之面磚屬於下列那一類？",{"A":14,"B":15,"C":16,"D":17},"Ia 類","Ib 類","Ⅱ類","Ⅲ類",[19],"D","single",[],"本題考點：國家標準對陶瓷面磚的分類方式，是以坯體「吸水率」作為分級指標，由低到高依序為Ⅰa類、Ⅰb類、Ⅱ類、Ⅲ類；考生要能從一個吸水率數值判斷它落在哪一級。\n【正解理由】面磚的吸水率反映坯體的緻密程度：燒成溫度高、坯體玻化充分者，孔隙少、吸水率低；燒成溫度較低、坯體多孔者，吸水率高。國家標準即依此把面磚分級，吸水率最低的一群屬Ⅰ類（瓷質），其中再細分為Ⅰa類與Ⅰb類；吸水率居中者屬Ⅱ類（炻質）；吸水率最高、坯體最疏鬆者屬Ⅲ類（陶質）。題目給的吸水率為 20%，這個數值遠高於瓷質與炻質面磚所能容許的範圍，坯體屬於多孔的陶質，只能歸入分級中吸水率最高的那一級，也就是Ⅲ類。故選 D。\n【逐項排除】\n(A) 錯誤。Ⅰa類是瓷質面磚中吸水率最低的一級，坯體幾乎完全玻化，吸水率接近零；20% 的吸水率與它的緻密程度完全不相稱。吸水率高到 20% 的面磚，應歸入Ⅲ類（陶質）才對。\n(B) 錯誤。Ⅰb類同樣屬瓷質，只是吸水率略高於Ⅰa類，仍是極低吸水的緻密坯體；把 20% 歸到這裡，等於把多孔的陶質坯體當成玻化瓷質。改成Ⅲ類才符合吸水率分級。\n(C) 錯誤。Ⅱ類是炻質面磚，坯體半玻化，吸水率介於瓷質與陶質之間，屬於中等偏低的吸水程度；20% 已超出炻質的範圍，落到陶質區間。正確分級是Ⅲ類而非Ⅱ類。\n(D) 正確。Ⅲ類是陶質面磚，燒成溫度相對較低、坯體多孔，是分級中吸水率最高的一級；吸水率 20% 的面磚正落在這一級。\n【記憶點】面磚分級看吸水率：瓷質Ⅰ類（再分Ⅰa、Ⅰb）最低、炻質Ⅱ類居中、陶質Ⅲ類最高；吸水率到 20% 這種量級，就是陶質Ⅲ類。",726,1,true,[27,30,33,36,39,42],{"number":28,"session":7,"stem":29},32,"下面何項不屬於 CNS 帷幕牆風雨試驗之項目？",{"number":31,"session":7,"stem":32},33,"關於外牆石材飾面工法，下列敘述何者錯誤？",{"number":34,"session":7,"stem":35},34,"外牆瓷磚採用非水泥砂漿類之黏著劑鋪貼後，如在一般標準環境下進行接著強度試驗，依據 C…",{"number":37,"session":7,"stem":38},36,"關於場鑄混凝土樁，下列敘述何者錯誤？",{"number":40,"session":7,"stem":41},37,"關於基地開挖，下列敘述何者錯誤？",{"number":43,"session":7,"stem":44},38,"關於混凝土的成分、材料特性、以及較為特殊的混凝土製品的敘述，下列何者正確？",[46,49,52,55,58],{"number":10,"session":47,"stem":48},"114180","冷軋型鋼構造常應用於低樓層建築物的主要構造及屋頂外牆。下列關於冷軋型鋼構造之工法的敘…",{"number":10,"session":50,"stem":51},"113190","施工時對於拆除構造物時，下列規定何者錯誤？",{"number":10,"session":53,"stem":54},"111180","依據建築物無障礙設施設計規範，有關無障礙廁所盥洗室之規定，下列何者錯誤？",{"number":10,"session":56,"stem":57},"110180","依建築技術規則建築構造編，有關架空吊車所受橫力，下列敘述何者錯誤？",{"number":10,"session":59,"stem":60},"109180","下列各種連續壁工法中，何者的施工機械可同時進行鑽孔、注漿與拌合等工作？",1791863200491]