[{"data":1,"prerenderedAt":73},["ShallowReactive",2],{"q-fire-108-1-water-chemical-035":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-035","fire-108-1-water-chemical-035",108,1,35,"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？",{"A":16,"B":17,"C":18,"D":19},"四分之一","三分之一","二分之一","三分之二","C",null,[],false,"本題考點：呼水裝置中減水警報裝置的性能檢查判定值。\n【正解理由】依《消防安全設備及必要檢修項目檢修基準》室內消防栓設備性能檢查「呼水裝置」之判定方法,減水警報裝置除應無變形、損傷、顯著腐蝕外,並明定「當水量減少至一半前應發出警報」;一半即二分之一,故選 C。同基準的室外消防栓設備、連結送水管、消防專用蓄水池與射水設備各章,對呼水裝置減水警報的判定寫法一致(水量減少到二分之一時應發出警報),可互相印證。\n【逐項排除】\n(A) 四分之一:等到呼水槽只剩四分之一才示警,已逾判定方法所定的時機,該基準未採此比例。\n(B) 三分之一:判定方法並無此比例,三分之一是壓力水箱「水箱內空氣占水箱容積三分之一以上」的數字,兩者不同。\n(C) 二分之一:與判定方法所載「水量減少至一半前應發出警報」相符,為正確答案。\n(D) 三分之二:與滅火設備防護區域開口部「位於距樓地板面高度三分之二以下部分應在放射前自動關閉」的三分之二混淆,不是減水警報的判定值。\n【記憶點】呼水槽水量掉到一半前就要叫,不能等見底。","呼水裝置是幫浦設置位置高於水源水面時的必要配備,目的是讓吸水管、底閥與幫浦內部經常保持充水狀態,幫浦一啟動即能立即吸水,不會因空氣進入而空轉。其組成包括呼水槽、補給水管、自動給水裝置、減水警報裝置、呼水管與溢水用排水管,底閥則裝於吸水管末端負責逆止。\n檢修基準把檢查拆成方法與判定兩層。呼水裝置的檢查方法為:閥類以手操作確認開、關動作是否容易進行;自動給水裝置先確認有無變形、腐蝕,再打開排水閥確認自動給水性能;減水警報裝置先確認有無變形、腐蝕,再關閉補給水閥並打開排水閥,確認減水警報功能是否正常;底閥則拉上吸水管或檢查用鍊條確認有無異物附著或阻塞,打開幫浦本體上呼水漏斗的制水閥確認能否連續溢水,再關閉呼水管的制水閥確認底閥逆止效果。對應的判定方法為:閥類開關應能容易進行;自動給水裝置應無變形、損傷、顯著腐蝕,且呼水槽水量減少時應能自動給水;減水警報裝置應在水量減少至一半前發出警報;底閥應無異物附著、阻塞等吸水障礙,呼水漏斗應能連續溢水且水量不減少。\n易混淆的是三種檢查的層次:外觀檢查以目視確認有無變形、腐蝕;性能檢查要實際操作閥類與排水,確認功能是否正常;綜合檢查則切換成緊急電源供電狀態做放水試驗,確認加壓送水裝置能否確實啟動、表示與警報是否正常、電動機運轉電流值是否在容許範圍內、運轉中有無不規則或不連續的雜音與異常發熱振動。同一套呼水裝置在室外消防栓、連結送水管、消防專用蓄水池與射水設備各章重複出現,是跨章共通的高頻考點。",true,[28,32,36,40,44,48],{"webId":29,"stem":30,"number":31,"year":11,"session":12},"fire-108-1-water-chemical-034","依各類場所消防安全設備設置標準之規定，水霧滅火設備之加壓送水裝置使用消防幫浦時，用於防護電氣設備者，每一個水霧噴頭壓力依規定均應達到多少以上？",34,{"webId":33,"stem":34,"number":35,"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":37,"stem":38,"number":39,"year":11,"session":12},"fire-108-1-water-chemical-033","某百貨商場（10 樓以下）內設有一般反應型撒水頭 15 個，試問其消防幫浦最低出水量應為何？",33,{"webId":41,"stem":42,"number":43,"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":45,"stem":46,"number":47,"year":11,"session":12},"fire-108-1-water-chemical-032","依法令規定下列場所何者應設置滅火器？",32,{"webId":49,"stem":50,"number":51,"year":11,"session":12},"fire-108-1-water-chemical-038","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？",38,[53,57,61,65,69],{"webId":54,"year":55,"stem":56,"number":13},"fire-111-1-water-chemical-035",111,"二氧化碳滅火設備採全區放射，其噴頭設置規定下列何者錯誤？",{"webId":58,"year":59,"stem":60,"number":13},"fire-110-1-water-chemical-035",110,"依消防安全設備及必要檢修項目檢修基準，製造日期超過 10 年或無法辨識製造日期之何種滅火器，非經水壓測試合格，不得再行更換及充填藥劑，應予報廢？",{"webId":62,"year":63,"stem":64,"number":13},"fire-109-1-water-chemical-035",109,"廚房等大量使用火源之處所，多少樓地板面積需有一滅火效能值？",{"webId":66,"year":67,"stem":68,"number":13},"fire-107-1-water-chemical-035",107,"採用移動式放射方式之乾粉滅火設備，藥劑種類為第一種乾粉時，每一具噴射瞄子所需藥劑放射量為：",{"webId":70,"year":71,"stem":72,"number":13},"fire-106-1-water-chemical-035",106,"乾式比濕式系統的撒水頭數量應追加百分之多少？",1785123167685]