[{"data":1,"prerenderedAt":73},["ShallowReactive",2],{"q-fire-114-1-fire-science-036":3},{"subject":4,"subjectSlug":5,"subjectKicker":6,"subjectShort":7,"question":8,"related":25,"sameNumber":51,"hasEssay":72},"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-114-1-火災學概要-036","fire-114-1-fire-science-036",114,1,36,"下列何者為乙炔分解之化學反應式？",{"A":16,"B":17,"C":18,"D":19},"C2H6→2C+3H2 +54.2 kcal\u002Fmol","C2H4→2C+2H2 -162.6 kcal\u002Fmol","C2H2→2C+H2 -108.4 kcal\u002Fmol","C2H2→2C+H2 +54.2 kcal\u002Fmol","D",null,[],false,"",[26,31,35,39,43,47],{"webId":27,"stem":28,"number":29,"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？",28,106,{"webId":32,"stem":33,"number":34,"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,{"webId":36,"stem":37,"number":38,"year":30,"session":12},"fire-106-1-fire-science-027","要使 1 kg 之乙炔完全燃燒，在標準狀態下，其所需之空氣容積為多少？",27,{"webId":40,"stem":41,"number":42,"year":30,"session":12},"fire-106-1-fire-science-031","建築物火災時要防止火勢由外牆的窗戶向上延燒，下列改善措施何者錯誤？",31,{"webId":44,"stem":45,"number":46,"year":30,"session":12},"fire-106-1-fire-science-026","有一家用延長線，欲連接電子鍋、熱水瓶及微波爐，耗電功率分別為 550 W、1100 W 及 2200 W，請問該延長線至少應具多大之容許電流？（家用電壓為 110 V）",26,{"webId":48,"stem":49,"number":50,"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？",32,[52,56,60,64,68],{"webId":53,"year":54,"stem":55,"number":13},"fire-113-1-fire-science-036",113,"依美國防火協會（NFPA）危險物品標示規定，黃色代表何種危險性？",{"webId":57,"year":58,"stem":59,"number":13},"fire-112-1-fire-science-036",112,"下列那一種措施有助於提高粉塵爆炸的防護作用以增加其安全性？",{"webId":61,"year":62,"stem":63,"number":13},"fire-111-1-fire-science-036",111,"下列有關燃燒速度之敘述，何者錯誤？",{"webId":65,"year":66,"stem":67,"number":13},"fire-110-1-fire-science-036",110,"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":69,"year":70,"stem":71,"number":13},"fire-109-1-fire-science-036",109,"房間的體積為 V=6 m×5 m×3 m，其中 O2 占 0.21 V，請問至少要加入多少公升（L）的 CO2 讓燃燒作用無法持續？",true,1785129966142]