[{"data":1,"prerenderedAt":72},["ShallowReactive",2],{"q-fire-112-1-fire-science-032":3},{"subject":4,"subjectSlug":5,"subjectKicker":6,"subjectShort":7,"question":8,"related":25,"sameNumber":50,"hasEssay":71},"火災學概要","fire-science","火災學 · Fire Science","火災學",{"id":9,"webId":10,"year":11,"session":12,"subject":4,"number":13,"stem":14,"options":15,"answer":20,"answerNote":21,"images":22,"imagesPending":23,"lawTimestamp":11,"explanation":24,"explanationDeep":24,"freq":12,"indexable":23},"fire-112-1-火災學概要-032","fire-112-1-fire-science-032",112,1,32,"將大塊的木頭切碎為小片的木屑時，下列敘述何者錯誤？",{"A":16,"B":17,"C":18,"D":19},"與空氣接觸的比表面積變大","木柴的熱傳導係數變小","受熱時升溫速率變快","受熱時起燃時間縮短","B",null,[],false,"",[26,31,34,38,42,46],{"webId":27,"stem":28,"number":29,"year":30,"session":12},"fire-106-1-fire-science-030","依照 McCaffrey 火羽流理論，下列何者正確？",30,106,{"webId":32,"stem":33,"number":13,"year":30,"session":12},"fire-106-1-fire-science-032","火場能見度與煙霧消光係數有密切關係，若以煙霧的質量光學密度 Dm（m2\u002Fg）代表煙霧密度，假定在長 8m、寬 6m、高 3m 之實驗室燃燒 600g 之聚氯乙烯（PVC），其 Dm＝0.12 m2\u002Fg，試估算實驗室內發光避難指示燈之能見度為何？",{"webId":35,"stem":36,"number":37,"year":30,"session":12},"fire-106-1-fire-science-029","一般而言，區劃空間火災中引發閃燃時，樓地板最低輻射熱通量值約為何？",29,{"webId":39,"stem":40,"number":41,"year":30,"session":12},"fire-106-1-fire-science-033","設有一儲存倉庫使用混凝土及磚塊所築成，該倉庫長 10 m、寬 7 m、高 3.5 m。可燃物（以木材為主）總重 2100 kg，總表面積為 300 m2，倉庫內有一開口寬 1.8 m、高 2 m，試問火災持續時間最長為多少？",33,{"webId":43,"stem":44,"number":45,"year":30,"session":12},"fire-106-1-fire-science-028","有一平板絕緣層內面溫度為 270℃，外面以熱對流方式散失到 20℃的空氣中，平板厚度為 4 cm，熱傳導係數 K=1.2W\u002Fm℃，若要使平面外面的溫度不超過 70℃，試求其對流熱傳係數的極小值？",28,{"webId":47,"stem":48,"number":49,"year":30,"session":12},"fire-106-1-fire-science-034","假設建築物外部風速為 20 m\u002Fs，風壓係數為 0.6，空氣密度為 1 kg\u002Fm3，其對建築物迎風面所產生的風壓約為多少？",34,[51,55,59,63,67],{"webId":52,"year":53,"stem":54,"number":13},"fire-111-1-fire-science-032",111,"下列何者非油槽火災發生沸溢或濺溢的主要因素？",{"webId":56,"year":57,"stem":58,"number":13},"fire-110-1-fire-science-032",110,"有關爆炸性物質之特性，下列何者正確？",{"webId":60,"year":61,"stem":62,"number":13},"fire-109-1-fire-science-032",109,"已知天花板噴流溫度攝氏 135℃，天花板噴流速度 1.8 m\u002Fs，環境初始溫度 20℃，感知撒水頭作動溫度攝氏 72℃，反應時間指數 67(m1\u002F2s1\u002F2)，感知撒水頭作動時間為下列何者？（提示： ln115=4.74, ln63=4.14）",{"webId":64,"year":65,"stem":66,"number":13},"fire-108-1-fire-science-032",108,"下列有關防止靜電災害的方法中，何者錯誤？",{"webId":68,"year":69,"stem":70,"number":13},"fire-107-1-fire-science-032",107,"下列何者並非防火區劃構件構造之性質？",true,1785123161714]