[{"data":1,"prerenderedAt":61},["ShallowReactive",2],{"q-107180-arch_environment-4":3},{"question":4,"neighbors":27,"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":23,"withheld":11,"deepChars":24,"freq":25,"indexable":26},"arch-107180-801-0104-004","architect","107180",107,"建築環境控制",4,null,"有關市面上使用常溫水噴霧搭配風扇吹出之「冷風扇」，空氣吹出前後在濕空氣線圖上之變化為何？",{"A":14,"B":15,"C":16,"D":17},"1→2","1→3","1→4","1→5",[19],"B","single",[22],"\u002Fimages\u002Farch-107180-801-0104-004.png","本題考點：濕空氣線圖上各種空氣處理過程的方向判讀，以及噴水蒸發冷卻（絕熱加濕）的狀態變化——乾球溫度下降、絕對濕度上升。\n【正解理由】題圖橫軸為乾球溫度、縱軸為絕對濕度，左上方的曲線為飽和線，點 1 是吹出前的空氣。冷風扇把常溫水霧化噴入氣流，水滴在空氣中蒸發；蒸發所需的汽化潛熱取自空氣本身，空氣的顯熱減少，乾球溫度因而下降；同時蒸發出的水蒸氣加入空氣，絕對濕度上升。整個過程沒有外加熱源或冷源，空氣失去的顯熱轉成水蒸氣所含的潛熱，焓值大致不變，狀態點沿著近似等濕球溫度線，往「溫度降低、濕度增加」的左上方、朝飽和線移動。題圖中由 1 往左上方、指向飽和線的箭頭是 1→3。故選 B。\n【逐項排除】\n(A) 1→2：不符。箭頭水平向右，表示乾球溫度上升、絕對濕度不變，是單純的顯熱加熱，例如空氣流經電熱器。冷風扇使空氣降溫並加濕，溫度與濕度兩個方向都與此相反，應是左上的 1→3。\n(B) 1→3：符合。向左上方表示乾球溫度下降、絕對濕度上升，正是水分蒸發吸熱造成的蒸發冷卻（絕熱加濕）。\n(C) 1→4：不符。箭頭水平向左，表示降溫但絕對濕度不變，是單純的顯熱冷卻，例如空氣流經表面溫度高於露點的冷卻盤管、沒有水氣凝結。冷風扇會把水蒸氣加入空氣，絕對濕度必然上升，不會水平移動。\n(D) 1→5：不符。箭頭向左下方，表示降溫且絕對濕度下降，是冷卻除濕，例如冷氣機盤管表面溫度低於露點、水氣凝結成水排出。冷風扇是加濕而非除濕，濕度變化方向相反。\n【記憶點】線圖上「右加熱、左冷卻、上加濕、下除濕」；噴水蒸發冷卻走左上，冷氣冷卻除濕走左下。",665,1,true,[28,30,33,36,39,42],{"number":25,"session":7,"stem":29},"當室內乾球溫度增加而空氣中水蒸氣量維持不變時，相對濕度的變化為何？",{"number":31,"session":7,"stem":32},2,"下列相同厚度材料的隔熱性能，由隔熱佳至隔熱差之順序為何？①保麗龍 ②乾燥木板 ③混凝…",{"number":34,"session":7,"stem":35},3,"有關高性能綠建材中節能玻璃之敘述，下列何者錯誤？",{"number":37,"session":7,"stem":38},5,"在冷氣空調系統中，下列那個部位最容易產生結露現象？",{"number":40,"session":7,"stem":41},6,"有關室內空氣污染來源，下列敘述何者錯誤？",{"number":43,"session":7,"stem":44},7,"二氧化碳是室內空氣的指標污染物，我國室內空氣品質管理法中對於二氧化碳的 8 小時平均…",[46,49,52,55,58],{"number":10,"session":47,"stem":48},"114180","下圖中的甲與乙分別是空氣線圖（Psychrometric chart）上的兩個空氣狀…",{"number":10,"session":50,"stem":51},"113190","都市中基地在相同法定空地條件下，採用何種設計手法產生之熱島效應相對最為嚴重？",{"number":10,"session":53,"stem":54},"112190","有關無障礙廁所盥洗室之說明，下列何者錯誤？",{"number":10,"session":56,"stem":57},"111180","某個室內無風的空間，溫度為 20℃，平均輻射溫度為 26℃，該空間的作用溫度（ope…",{"number":10,"session":59,"stem":60},"110180","建築物外牆及窗戶減少室外熱傳到室內之方法中，下列何者錯誤？",1791863210994]