[{"data":1,"prerenderedAt":57},["ShallowReactive",2],{"q-108180-arch_environment-3":3},{"question":4,"neighbors":26,"sameNumber":41,"prev":30,"next":33},{"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-108180-801-0104-003","architect","108180",108,"建築環境控制",3,null,"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？",{"A":14,"B":15,"C":16,"D":17},"將此空氣加熱到 30℃時，相對濕度會升高","將此空氣加熱到 30℃時，絕對濕度會升高","將此空氣冷卻到 20℃時，濕球溫度不會改變","將此空氣冷卻到 20℃時，熱焓會降低",[19],"D","single",[],"本題考點：空氣線圖上的狀態變化——密閉空氣只做加熱或冷卻（未達露點）時，絕對濕度不變，相對濕度、濕球溫度與熱焓隨乾球溫度變化。\n【正解理由】密閉空間內沒有水分加入或移出，只要冷卻時沒有降到露點以下而結露，空氣中的水蒸氣量（絕對濕度）就固定不變，狀態點在空氣線圖上沿水平線左右移動。25℃、相對濕度 50% 的空氣，露點溫度低於 20℃，所以冷卻到 20℃ 仍是單純的顯熱冷卻。熱焓是乾空氣的顯熱加上水蒸氣所含熱量的總和，絕對濕度不變時，溫度降低使顯熱減少，熱焓隨之降低。選項 (D) 的敘述正確，故選 D。\n【逐項排除】\n(A) 錯誤。加熱時水蒸氣量不變，但空氣溫度升高後飽和水蒸氣量變大，相對濕度＝實際水蒸氣量 ÷ 飽和水蒸氣量，分母變大，相對濕度會「降低」而非升高。\n(B) 錯誤。密閉空氣加熱時沒有水分加入，絕對濕度「維持不變」，不會升高；絕對濕度只有在加濕或除濕（含結露）時才會改變。\n(C) 錯誤。冷卻時乾球溫度下降、絕對濕度不變，狀態點沿水平線往左移，所跨越的濕球溫度線不同，濕球溫度會「降低」，不會維持不變；濕球溫度不變的是絕熱加濕（蒸發冷卻）過程，沿濕球溫度線移動。\n(D) 正確。冷卻到 20℃ 未達露點，屬顯熱冷卻，絕對濕度不變而溫度下降，熱焓降低。\n【演算步驟】\n加熱過程（選項 A、B）：乾球溫度變化 ΔT = 30℃ − 25℃ = 5℃，水蒸氣量不變 → 絕對濕度不變；飽和水蒸氣量隨溫度增加 → 相對濕度降低。\n冷卻過程（選項 C、D）：乾球溫度變化 ΔT = 25℃ − 20℃ = 5℃，降溫後仍高於露點 → 絕對濕度不變。\n熱焓 h = 乾空氣顯熱 + 水蒸氣熱量；絕對濕度不變、溫度降低 → 顯熱部分減少 → h 降低；濕球溫度隨狀態點左移而降低。\n【記憶點】密閉空氣只加熱或冷卻（未結露）：絕對濕度不變；加熱相對濕度降，冷卻相對濕度升；熱焓與濕球溫度跟著乾球溫度同向變。",641,1,true,[27,29,32,35,38],{"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},2,"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…",{"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？",{"number":39,"session":7,"stem":40},6,"若某空間的 CO2 必要換氣量為 150(m3\u002Fhr)，室容積 25 m3，樓地板面…",[42,45,48,51,54],{"number":10,"session":43,"stem":44},"114180","關於氣候積分指標的敘述，下列何者錯誤？",{"number":10,"session":46,"stem":47},"113190","在無建築設備的條件下，下列那些設計策略適合應用於臺灣平地氣候的建築物？①氣密性較高 …",{"number":10,"session":49,"stem":50},"112190","有關綠建材標章之防音綠建材評估要項，下列敘述何者正確？",{"number":10,"session":52,"stem":53},"111180","黑球溫度計量測周壁之平均輻射溫度 MRT 與下列何者無關？",{"number":10,"session":55,"stem":56},"110180","建築物有關濕度之敘述，下列何者錯誤？",1791863195917]