[{"data":1,"prerenderedAt":61},["ShallowReactive",2],{"q-113190-arch_environment-7":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-113190-801-0104-007","architect","113190",113,"建築環境控制",7,null,"某舞蹈教室每小時單位面積所需換氣量為 15 m3，當室內高度 2.5 m、面積 60 m2，若在可對流開窗通風情況下，有效開口面積為 2 m2 時，則環境的風速應當至少為多少 m\u002Fs？",{"A":14,"B":15,"C":16,"D":17},"0.063","0.125","0.150","0.250",[19],"B","single",[],"本題考點：由單位樓地板面積換氣量求總換氣量，再以「通風量 = 有效開口面積 × 風速」反求開口處所需風速，並注意時間單位由小時換成秒。\n【正解理由】題目給的是每小時、每平方公尺樓地板面積所需換氣量 15 m³，教室面積 60 m²，總換氣量 Q = 15 × 60 = 900 m³\u002Fh；換成每秒為 900 ÷ 3600 = 0.25 m³\u002Fs。通風量等於有效開口面積乘以通過開口的風速，所以風速 v = Q \u002F A = 0.25 m³\u002Fs ÷ 2 m² = 0.125 m\u002Fs，故選 B。\n【逐項排除】\n(A) 不符合。0.063 m\u002Fs 約只有所需風速 0.125 m\u002Fs 的一半，以此風速通過 2 m² 開口，換氣量達不到每小時 900 m³ 的需求。\n(B) 符合。v = (15 × 60 ÷ 3600) m³\u002Fs ÷ 2 m² = 0.125 m\u002Fs，恰為滿足換氣需求的最低風速。\n(C) 不符合。0.150 m\u002Fs 雖然大於所需值，也能達成換氣，但題目問的是「至少」多少，最低需求是 0.125 m\u002Fs，0.150 不是所求。\n(D) 不符合。0.25 是每秒換氣量 0.25 m³\u002Fs 的數值，尚未除以有效開口面積 2 m²，把「體積流量」直接當成「風速」，單位也從 m³\u002Fs 誤成 m\u002Fs；正確風速應為 0.125 m\u002Fs。\n【演算步驟】\n① 總換氣量：Q = 15 m³\u002F(h·m²) × 60 m² = 900 m³\u002Fh\n② 換成每秒：Q = 900 m³\u002Fh ÷ 3600 s\u002Fh = 0.25 m³\u002Fs\n③ 風速：v = Q \u002F A = 0.25 m³\u002Fs ÷ 2 m² = 0.125 m\u002Fs\n【記憶點】通風量 = 開口面積 × 風速；先確認換氣量的基準（面積或容積），再把每小時換成每秒。",500,1,true,[27,30,33,36,39,42],{"number":28,"session":7,"stem":29},4,"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":31,"session":7,"stem":32},5,"下列何者是高層建築物設置中間水槽或減壓閥的給水壓力（kg\u002Fcm2）臨界標準？",{"number":34,"session":7,"stem":35},6,"某空間室內高度 2.5 m、面積 200 m2，為了達到良好的室內空氣品質，提出每小…",{"number":37,"session":7,"stem":38},8,"色溫及照度的搭配可呈現不同的空間氣氛，下列那種照明組合的效果敘述最不適當？",{"number":40,"session":7,"stem":41},9,"某空間原本使用 20 W、2000 lm 的 A 燈具，更新後採用 18 W、250…",{"number":43,"session":7,"stem":44},10,"有關聲學的計量方式「響度」（loudness）之相關敘述，下列何者錯誤？",[46,49,52,55,58],{"number":10,"session":47,"stem":48},"114180","關於住宅室內空氣污染源的敘述，下列何者錯誤？",{"number":10,"session":50,"stem":51},"112190","有關室內空氣污染物產生之來源，下列敘述何者錯誤？",{"number":10,"session":53,"stem":54},"111180","行政院環境保護署所訂定的室內空氣品質標準中，下列何者未被列入管制？",{"number":10,"session":56,"stem":57},"110180","採用沖孔板搭配後側空氣層，以赫姆霍茲（Helmholtz）共振原理作為吸音構造時，下…",{"number":10,"session":59,"stem":60},"109180","有關換氣計畫之敘述，下列何者錯誤？",1791863198894]