[{"data":1,"prerenderedAt":186},["ShallowReactive",2],{"essay-fire-science-110-1":3},{"set":4,"subjectMeta":17,"mcq":22,"points":185},{"subject":5,"slug":6,"year":7,"session":8,"questions":9},"火災學概要","fire-science",110,1,[10,14],{"number":8,"text":11,"points":12,"imagesPending":13},"熱量的傳送（熱傳）包括熱傳導（conduction）、熱對流（convection）和熱輻射（radiation）。BLEVE（Boiling Liquid Expanding Vapor Explosion）常發生於火場中內裝易燃性液體的儲槽，其後果除了爆風（blast）和容器碎片外，常常伴隨著火球（fire ball）。於 BLEVE 的形成過程中，火場中燃燒產生的熱量由燃燒的火焰如何經由熱傳傳送至儲槽內的易燃性液體？請說明。（25 分）",25,false,{"number":15,"text":16,"points":12,"imagesPending":13},2,"當易燃性物質外洩後被點燃，若火焰傳播速度（flame propagation speed）未增加時會形成閃火（flash fire）。說明工業火災中的閃火和蒸氣雲爆炸（vapor cloud explosion）最主要的差別及閃火的危害。（25 分）",{"name":5,"shortName":18,"slug":6,"fullName":5,"kicker":19,"tagline":20,"hint":21},"火災學","火災學 · Fire Science","燃燒理論、熱傳、閃燃與爆炸界限,計算題最密集的一科——公式背熟、單位不弄錯,就是穩定得分區。","燃燒四要素與滅火四原理是骨架;閃火點\u002F著火點、燃燒界限(LEL\u002FUEL)、熱傳三模式與熱釋放率為高頻。閃燃(flashover)與爆燃(backdraft)的成因與時序、輕質油與重質油的火災性狀、粉塵爆炸條件常考觀念題。本科計算題最多(全 corpus 65 題),務必練到單位換算反射。",[23,28,31,36,41,46,50,54,58,62,66,70,74,78,82,86,90,94,98,102,106,110,114,118,122,125,129,133,137,141,145,149,153,157,161,165,169,173,177,181],{"webId":24,"number":8,"stem":25,"answer":26,"indexable":27},"fire-110-1-fire-science-001","下列物質各取 1 莫耳進行完全燃燒，何者所需的理論空氣量（kg）最少？","C",true,{"webId":29,"number":15,"stem":30,"answer":26,"indexable":27},"fire-110-1-fire-science-002","依據建築物火災 t2 成長理論，當釋熱率（Q）達到 4 MW 時，需要 300 秒的時間，表示火災成長之速度為下列何…",{"webId":32,"number":33,"stem":34,"answer":35,"indexable":27},"fire-110-1-fire-science-003",3,"依據建築物火災的特性，當進入「穩態燃燒」階段時，釋熱率（Q）與時間（t）的關係為何？","D",{"webId":37,"number":38,"stem":39,"answer":40,"indexable":27},"fire-110-1-fire-science-004",4,"在氣溫 20 ℃無風的情況下，一般木造建築物形成危險界限溫度之輻射熱通量超過多少 kcal \u002F m2 h 即有延燒之…","B",{"webId":42,"number":43,"stem":44,"answer":45,"indexable":27},"fire-110-1-fire-science-005",5,"已知乙烷、乙烯、乙炔的發火能量分別為 a、b、c，則 a、b、c 的大小關係為：","A",{"webId":47,"number":48,"stem":49,"answer":35,"indexable":27},"fire-110-1-fire-science-006",6,"阿里山發生森林火災，已知火災當天的相對濕度為 60.0%，前一天相對濕度為 50.0%，再前一天相對濕度為 40.0…",{"webId":51,"number":52,"stem":53,"answer":26,"indexable":27},"fire-110-1-fire-science-007",7,"己烷在閃火點時的飽和蒸氣壓為 9.12 mmHg，根據 Burgess-Wheeler 定理其燃燒熱約為多少 kca…",{"webId":55,"number":56,"stem":57,"answer":40,"indexable":27},"fire-110-1-fire-science-008",8,"根據美國防火協會危險物品標示規定，將危險類別記載於菱形方塊上，其中「有害健康毒性」以何種顏色表示？",{"webId":59,"number":60,"stem":61,"answer":35,"indexable":27},"fire-110-1-fire-science-009",9,"碳化鈣（CaC2，俗稱電石）常用於水果的催熟，屬於公共危險物品，遇水會起激烈反應產生下列何種可燃性氣體？",{"webId":63,"number":64,"stem":65,"answer":26,"indexable":27},"fire-110-1-fire-science-010",10,"甲基乙基酮過氧化物（MEKPO）常用於聚合物的生產，加熱至 100 ℃時會發生爆炸，此化合物屬於那一類公共危險物品？",{"webId":67,"number":68,"stem":69,"answer":45,"indexable":27},"fire-110-1-fire-science-011",11,"輻射熱是造成木造建築物延燒原因之一，下列何者正確？",{"webId":71,"number":72,"stem":73,"answer":26,"indexable":27},"fire-110-1-fire-science-012",12,"根據 NFPA265 對閃燃現象（flashover）之定義，下列敘述何者錯誤？",{"webId":75,"number":76,"stem":77,"answer":26,"indexable":27},"fire-110-1-fire-science-013",13,"有一開口面積為 10.0 m2，開口高度為 1.44 m 之居室，當其發生火災而形成通風控制燃燒時，根據 P. H.…",{"webId":79,"number":80,"stem":81,"answer":40,"indexable":27},"fire-110-1-fire-science-014",14,"自然發火性物質中的原棉，主要是因為下列何種熱之蓄積而發火？",{"webId":83,"number":84,"stem":85,"answer":45,"indexable":27},"fire-110-1-fire-science-015",15,"下列有關液化天然氣（LNG）與液化石油氣（LPG）之比較，何者正確？",{"webId":87,"number":88,"stem":89,"answer":35,"indexable":27},"fire-110-1-fire-science-016",16,"市面上販售的 ABC 乾粉滅火器內充填的乾粉滅火藥劑主要成分為：",{"webId":91,"number":92,"stem":93,"answer":40,"indexable":27},"fire-110-1-fire-science-017",17,"下列惰性氣體類海龍替代滅火藥劑中，何者的比重小於 1？",{"webId":95,"number":96,"stem":97,"answer":35,"indexable":27},"fire-110-1-fire-science-018",18,"根據「危害物質災害現場搶救標準作業程序」之規定，其首要工作為何？",{"webId":99,"number":100,"stem":101,"answer":40,"indexable":27},"fire-110-1-fire-science-019",19,"當發生危害物質災害時，為降低對民眾及搶救人員的危害，應迅速劃定管制區域，下列區域何者一般以黃色標示？",{"webId":103,"number":104,"stem":105,"answer":45,"indexable":27},"fire-110-1-fire-science-020",20,"某室內火場的煙層厚度為 1 公尺，若此時光學密度為 0.173，則該場域中避難反光指標之能見度為多少公尺？",{"webId":107,"number":108,"stem":109,"answer":35,"indexable":27},"fire-110-1-fire-science-021",21,"下列物質在常溫時，何者的熱傳導係數（W\u002Fm∙K）較低？",{"webId":111,"number":112,"stem":113,"answer":35,"indexable":27},"fire-110-1-fire-science-022",22,"火災中所產生的輻射熱量與下列何者成正比？",{"webId":115,"number":116,"stem":117,"answer":26,"indexable":27},"fire-110-1-fire-science-023",23,"請問 2 公斤的氫氣（H2）完全燃燒，所需要的理論空氣量為多少公斤？",{"webId":119,"number":120,"stem":121,"answer":26,"indexable":27},"fire-110-1-fire-science-024",24,"在充足的能量下，下列何種濃度（vol%）的氫氣（H2）為燃燒界限範圍內？",{"webId":123,"number":12,"stem":124,"answer":35,"indexable":27},"fire-110-1-fire-science-025","請依據可燃性氣體完全燃燒時的化學理論濃度，計算丙烷的燃燒下限？",{"webId":126,"number":127,"stem":128,"answer":26,"indexable":27},"fire-110-1-fire-science-026",26,"易燃性氣體受到壓縮後溫度會有升高的狀況發生，可能會發火導致火災的發生，此現象為何？",{"webId":130,"number":131,"stem":132,"answer":26,"indexable":27},"fire-110-1-fire-science-027",27,"某建築物的插座電壓為 110 伏特，在其延長線上的插座同時插 880 瓦的電磁爐、110 瓦的電風扇及 1100 瓦…",{"webId":134,"number":135,"stem":136,"answer":40,"indexable":27},"fire-110-1-fire-science-028",28,"下列有關電器用品「焦耳熱」之敘述，何者錯誤？",{"webId":138,"number":139,"stem":140,"answer":26,"indexable":27},"fire-110-1-fire-science-029",29,"工廠使用之乙炔（C2H2），為防止爆炸引起火災，常利用裝有某化學物質與多孔性物質充填物之鋼瓶加壓保存，請問該化學物質…",{"webId":142,"number":143,"stem":144,"answer":40,"indexable":27},"fire-110-1-fire-science-030",30,"某建築物火場產生大量煙霧，正向煙囪效應在中性帶以上 10 公尺處的壓力差為 12 Pa，若建築物內、外的溫度差不變，…",{"webId":146,"number":147,"stem":148,"answer":40,"indexable":27},"fire-110-1-fire-science-031",31,"有關影響粉塵爆炸的因素，下列何者錯誤？",{"webId":150,"number":151,"stem":152,"answer":40,"indexable":27},"fire-110-1-fire-science-032",32,"有關爆炸性物質之特性，下列何者正確？",{"webId":154,"number":155,"stem":156,"answer":35,"indexable":27},"fire-110-1-fire-science-033",33,"當一小爆炸發生時，其壓力波將全廠之粉塵揚起，再被隨後而至之燃燒引爆所引起之全廠性爆炸，此現象為何？",{"webId":158,"number":159,"stem":160,"answer":45,"indexable":27},"fire-110-1-fire-science-034",34,"液體變化為氣體之物理現象中，若變化速度至為急速時，因能量在極短的時間內大量放出，即形成爆炸現象，此現象之名稱為何？",{"webId":162,"number":163,"stem":164,"answer":35,"indexable":27},"fire-110-1-fire-science-035",35,"面對廚房油鍋起火燃燒，下列何項應對動作的風險最大？",{"webId":166,"number":167,"stem":168,"answer":26,"indexable":27},"fire-110-1-fire-science-036",36,"為防止靜電發生放電時引火造成火災，請問下列有關靜電災害之防止對策何者錯誤？",{"webId":170,"number":171,"stem":172,"answer":26,"indexable":27},"fire-110-1-fire-science-037",37,"有關電氣火災防範對策中，電器設備之正確使用非常重要，在潮濕場所使用電器時，插頭應加裝何種裝置以防止感電發生？",{"webId":174,"number":175,"stem":176,"answer":35,"indexable":27},"fire-110-1-fire-science-038",38,"常見泡沫滅火藥劑含有界面活性劑成分，請問下列何者不是泡沫滅火藥劑滅火時界面活性劑的主要作用？",{"webId":178,"number":179,"stem":180,"answer":26,"indexable":27},"fire-110-1-fire-science-039",39,"某建築物內部的空氣溫度為 27 ℃，發生火災的房間溫度為 627 ℃，流入該起火房間的空氣體積流量為 4 m3\u002Fs，…",{"webId":182,"number":183,"stem":184,"answer":45,"indexable":27},"fire-110-1-fire-science-040",40,"常見吸入火場中的煙霧而中毒者，其最主要之原因即為吸入太多的一氧化碳（CO），一氧化碳往往是火場的致命殺手，其濃度達多…",50,1785129965636]