[{"data":1,"prerenderedAt":72},["ShallowReactive",2],{"q-fire-108-1-water-chemical-038":3},{"subject":4,"subjectSlug":5,"subjectKicker":6,"subjectShort":7,"question":8,"related":27,"sameNumber":52,"hasEssay":26},"水與化學系統消防安全設備概要","water-chemical","水與化學系統 · Water & Chemical","水與化學系統",{"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":25,"freq":12,"indexable":26},"fire-108-1-水與化學系統消防安全設備概要-038","fire-108-1-water-chemical-038",108,1,38,"依各類場所消防安全設備檢修及申報作業基準，有關乾粉滅火藥劑判定方法，乾粉藥劑不得有雜質、變質、固化等情形，且以手輕握搓揉，並自地面上高度多少公分處使其落下，應呈粉狀？",{"A":16,"B":17,"C":18,"D":19},"50","60","80","100","A",null,[],false,"本題考點：乾粉滅火藥劑在性能檢查中的外觀與流動性判定。\n【正解理由】依《消防安全設備及必要檢修項目檢修基準》乾粉滅火設備性能檢查,滅火藥劑量的判定方法明定藥劑不得有雜質、變質、固化等情形,且以手輕握搓揉,並自地面上高度五十公分處使其落下,應呈粉狀;檢查時係取少量(約三百立方公分)樣品確認有無變色或結塊,再以上述落下試驗判斷其流動性。蓄壓式與加壓式乾粉滅火藥劑儲存容器的判定文字相同,均採五十公分,故選 A。\n【逐項排除】\n(A) 50 公分:與判定方法所載的落下高度一致,為正確答案。\n(B) 60:混淆的是同章注意事項中「濕度超過百分之六十以上時應暫停檢查」的六十,那是檢查環境限制,不是落下高度。\n(C) 80:判定方法未採此高度,八十較常出現在操作部或開關的設置高度規定,與藥劑判定無關。\n(D) 100:一公尺的落下高度會使結塊藥劑因撞擊而散開,反而掩蓋固化情形,基準採用的是五十公分。\n【記憶點】輕握搓揉、五十公分落下、應呈粉狀,三個動作一起記。","乾粉藥劑的判定分三層。第一層是顏色,基準把藥劑種類與顏色對應起來:第一種乾粉為白色或淡藍色,第二種乾粉為紫色系,第三種乾粉為粉紅色,第四種乾粉為灰色,顏色不符即代表藥劑種類有誤或已變質。第二層是量,蓄壓式先以釋壓閥將壓力洩放並確認不得有殘壓,再取下滅火藥劑充填蓋,自充填口量測藥劑高度或將容器置於台秤上測定重量,同時確認壓力表指針有無歸零;加壓式則直接取下充填蓋量測。第三層才是本題的流動性:取少量(約三百立方公分)樣品確認有無變色或結塊,以手輕握搓揉,並自地面上高度五十公分處使其落下,應呈粉狀。乾粉最怕受潮結塊,結塊後無法隨加壓氣體流動,放射時會堵塞虹吸管與配管,因此檢查環境也設限:溫度超過四十度以上、濕度超過百分之六十以上時應暫停檢查。\n加壓用氣體的判定量是另一組必背數字:使用氮氣者,在溫度三十五度、零公斤每平方公分狀態下,每一公斤乾粉滅火藥劑需氮氣四十公升以上;使用二氧化碳者,每一公斤滅火藥劑需二氧化碳二十公克以上,並加算清洗配管所需要量(每公斤二十公克)以上,且應以另外的容器儲存。定壓動作裝置則分封板式、彈簧式、壓力開關式與機械式四型,後三型都以壓力調整器自零公斤每平方公分起緩緩升壓,確認遊動子動作或接點閉合時的壓力值。\n配管面的延伸考點在《各類場所消防安全設備設置標準》第一百零六條:乾粉滅火設備自儲存容器起,其配管任一部分與彎曲部分之距離應為管徑二十倍以上,但能採取乾粉藥劑與加壓或蓄壓用氣體不會分離措施者不在此限,立法用意同樣是避免藥劑與氣體在彎頭處分離而影響放射性能。",true,[28,32,36,40,44,48],{"webId":29,"stem":30,"number":31,"year":11,"session":12},"fire-108-1-water-chemical-037","進行滅火器之檢查時，有關一般注意事項，下列何者錯誤？",37,{"webId":33,"stem":34,"number":35,"year":11,"session":12},"fire-108-1-water-chemical-039","依各類場所消防安全設備設置標準之規定，公共危險物品室外儲槽場所之冷卻撒水設備如以幫浦方式進行加壓時，實際測得之放射量除以該冷卻撒水噴頭（噴孔）所防護儲槽側壁面積應在多少以上？",39,{"webId":37,"stem":38,"number":39,"year":11,"session":12},"fire-108-1-water-chemical-036","依各類場所消防安全設備設置標準之規定，高發泡放出口在全區放射防護區域內，樓地板面積每多少平方公尺應至少設置 1 個，且能有效放射至該區域，並附設泡沫放出停止裝置？",36,{"webId":41,"stem":42,"number":43,"year":11,"session":12},"fire-108-1-water-chemical-040","電動機之使用應符合之相關規定，下列何者錯誤？",40,{"webId":45,"stem":46,"number":47,"year":11,"session":12},"fire-108-1-water-chemical-035","依各類場所消防安全設備檢修及申報作業基準，有關室內消防栓設備呼水裝置之減水警報裝置，當水量減少至多少前應發出警報？",35,{"webId":49,"stem":50,"number":12,"year":51,"session":12},"fire-109-1-water-chemical-001","下列場所何者未達依法應設置滅火器之條件？",109,[53,57,61,64,68],{"webId":54,"year":55,"stem":56,"number":13},"fire-111-1-water-chemical-038",111,"一間變壓機房採全區放射二氧化碳滅火設備，其防護區域體積 1250 立方公尺，無其它開口部，此防護區域需要多少二氧化碳藥劑量？",{"webId":58,"year":59,"stem":60,"number":13},"fire-110-1-water-chemical-038",110,"依消防安全設備及必要檢修項目檢修基準，海龍滅火設備全區放射方式檢查方法，若以空氣或氮氣進行放射試驗，所需空氣量或氮氣量，應就放射區域應設滅火藥劑量之多少%核算？",{"webId":62,"year":51,"stem":63,"number":13},"fire-109-1-water-chemical-038","消防專用蓄水池之設置規定，下列何者正確？",{"webId":65,"year":66,"stem":67,"number":13},"fire-107-1-water-chemical-038",107,"依各類場所消防安全設備設置標準之規定，下列何種場所不需設置室外消防栓設備？",{"webId":69,"year":70,"stem":71,"number":13},"fire-106-1-water-chemical-038",106,"乾粉全區放射所核算之滅火藥劑量須於幾秒內放射完畢？",1785123167720]