[{"data":1,"prerenderedAt":54},["ShallowReactive",2],{"q-108180-arch_environment-2":3},{"question":4,"neighbors":26,"sameNumber":38,"prev":24,"next":30},{"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-108180-801-0104-002","architect","108180",108,"建築環境控制",2,null,"某建築物之外牆構造厚度為 20 cm，其中鋼筋混凝土厚度為 15 cm，室外貼磁磚層厚度為 3 cm，室內水泥粉刷層厚度為 2 cm。若鋼筋混凝土導熱係數為 λ1=1.74 W\u002F(m•K)，磁磚導熱係數為 λ2=1.30 W\u002F(m•K)，水泥粉刷導熱係數為 λ3=0.87 W\u002F(m•K)，室外表面熱阻 Ro=0.04(m2•K)\u002FW，室內表面熱阻 Ri=0.11(m2•K)\u002FW，則外牆之總熱阻為多少(m2•K)\u002FW？",{"A":14,"B":15,"C":16,"D":17},"0.15","0.28","0.41","0.57",[19],"B","single",[],"本題考點：多層平壁的總熱阻＝室外表面熱阻＋各層材料熱阻（厚度 ÷ 導熱係數）＋室內表面熱阻。\n【正解理由】熱量穿過外牆時，依序經過室外表面空氣層、磁磚、鋼筋混凝土、水泥粉刷與室內表面空氣層，各層是「串聯」關係，總熱阻等於各層熱阻相加。材料層的熱阻 R = d \u002F λ，d 必須換成公尺：磁磚 0.03 m、鋼筋混凝土 0.15 m、水泥粉刷 0.02 m。三層材料熱阻合計約 0.1323 (m²·K)\u002FW，再加上室外表面熱阻 0.04 與室內表面熱阻 0.11，總熱阻約 0.2823 (m²·K)\u002FW，四捨五入為 0.28，與選項 (B) 相符，故選 B。\n【逐項排除】\n(A) 0.15：恰為室外表面熱阻 0.04 加室內表面熱阻 0.11 的和，只算了兩側表面熱阻，漏掉三層材料本身的熱阻；完整的總熱阻應為約 0.28 (m²·K)\u002FW。\n(B) 0.28：表面熱阻與三層材料熱阻全部相加，約 0.2823 (m²·K)\u002FW，正確。\n(C) 0.41：大於串聯相加的結果，與題目給定的厚度與導熱係數代入後不符；正確應為約 0.28 (m²·K)\u002FW。\n(D) 0.57：同樣大於正確值，代入題目條件得不到這個值；正確應為約 0.28 (m²·K)\u002FW。\n【演算步驟】\n公式：R總 = Ro + d₂\u002Fλ₂ + d₁\u002Fλ₁ + d₃\u002Fλ₃ + Ri。\n磁磚層：R₂ = 0.03 m ÷ 1.30 W\u002F(m·K) ≈ 0.0231 (m²·K)\u002FW。\n鋼筋混凝土層：R₁ = 0.15 m ÷ 1.74 W\u002F(m·K) ≈ 0.0862 (m²·K)\u002FW。\n水泥粉刷層：R₃ = 0.02 m ÷ 0.87 W\u002F(m·K) ≈ 0.0230 (m²·K)\u002FW。\n材料層合計：0.0231 + 0.0862 + 0.0230 ≈ 0.1323 (m²·K)\u002FW。\n總熱阻：R總 = 0.04 + 0.1323 + 0.11 ≈ 0.2823 (m²·K)\u002FW ≈ 0.28 (m²·K)\u002FW。\n【記憶點】串聯熱阻直接相加：表面熱阻兩側都要加，材料層用厚度（公尺）除以導熱係數。",603,1,true,[27,29,32,35],{"number":24,"session":7,"stem":28},"有關牆壁間的空氣層之隔熱效果，下列敘述何者錯誤？",{"number":30,"session":7,"stem":31},3,"某密閉空氣的狀態為溫度 25℃，相對濕度 50%，下列敘述何者正確？",{"number":33,"session":7,"stem":34},4,"①臺北 ②新加坡 ③香港 ④巴賽隆納四城市在晴朗無雲的夏至日中午，將建築物南向立面（…",{"number":36,"session":7,"stem":37},5,"對於住宅壁面於冬春之際常出現之「反潮」現象，下列敘述何者錯誤？",[39,42,45,48,51],{"number":10,"session":40,"stem":41},"114180","關於空氣線圖（Psychrometric chart）的敘述，下列何者錯誤？",{"number":10,"session":43,"stem":44},"113190","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馬桶與扶手，下列敘述何者錯誤？",{"number":10,"session":46,"stem":47},"112190","下列何種換氣方式適合新冠肺炎（COVID-19）病人的隔離病房？",{"number":10,"session":49,"stem":50},"111180","有關建築外殼隔熱之敘述，下列何者錯誤？",{"number":10,"session":52,"stem":53},"110180","關於 decipol 與 olf 的敘述，下列何者錯誤？",1791863195907]