2023年注册消防工程师之消防安全技术实务基础试题库和答案要点

年注册消防工程师之消防安全技术实务基础试题库和答案要点2023单选题（共题）

351、（2016年真题）某设置110个停车位的室内无车道且无人员停留的机械式地下汽车库，下列自动灭火系统中不适用于改车库的是（）A.湿式自动喷水灭火系统B.二氧化碳灭火系统C.泡沫一水喷雾灭火系统D.高倍数泡沫灭火系统【答案】B

2、（2019真题）下列物质中，潮湿环境下堆积能发生自燃的是（）A.多孔泡沫B.粮食C.木材D.废弃电脑【答案】B

3、某耐火等级为二级多层樟脑油存储仓库，设置自动喷水灭火系统保护，关于该仓库，下列说法正确是（）A.该仓库占地面积不应大于900m2B.该仓库最大允许层数为5层C.该仓库防火分区之间可以采用耐火极限为

3.00h防火卷帘分隔D.该仓库防火分区最大允许建筑面积为600m2【答案】D

29、建筑高度大于（）川且标准层建筑面积大于（）m2公共建筑，宜在屋顶设置直升机停机坪或供直升机救助设施A.150,1000B.200,2000C.100,2000D.100,3000【答案】c

30、二级耐火等级建筑主要构件，除（）为难燃性外，其余构件燃烧性能都是不燃性A.墙体B.隔墙C.吊顶D.地面【答案】c

31、某商场地下两层为汽车库，每层建筑面积为4500m2,每层层高为

5.5m,下列关于该汽车库说法，不正确是（）A.该汽车库至少为n类汽车库B.该汽车库应设置防烟楼梯间C.商场通向汽车库电梯应在汽车库内设置电梯侯梯厅，并应采用耐火极限不低于

2.00h防火隔墙和乙级防火门与汽车库分隔D.附设在地下一层汽车库内通风空气调节机房与汽车库之间应采用防火墙分隔【答案】D

32、根据《火灾自动报警系统设计规范》GB50116—2013规定，下列线路应采用耐火铜芯电线电缆是（）A.报警总线B.消防联动控制线路C.消防应急广播线路D.消防专用电话线路【答案】B

33、水喷雾灭火系统保护球罐时，关于水雾喷头布置说法，错误是（）A.水雾喷头喷口应朝向球心B.水雾锥沿纬线方向应相交，沿经线方向应相接C.无防护层球罐钢支柱和罐体液位计、阀门等处应设水雾喷头保护D.容积为1200m3球罐，赤道以上环管之间距离不应大于

3.2m【答案】D

34、根据《火力发电厂与变电站设计防火标准》，集中控制室位于两个安全出口之间的房间，设置1个疏散门时一，房间的最大建筑面积可为（）A.50m2B.75m2C.120m2D.200m2【答案】C

35、某油品加工厂（闪点92C）拟设计建造一栋单层厂房，其建筑形式为阶梯式建筑，耐火等级二级，为1个防火分区；该厂因为阶梯式结构，高度不一致，划分为设置湿式自动喷水灭火系统区域、自动寻址消防水炮区（建筑面积3000m2）.气体灭火区（建筑面积200nlD,未设置自动灭火系统区域（建筑面积1000球）共计四个区域请问该厂房设置湿式自动喷水灭火系统区域建筑面积不应大于（）m2oA.7600B.10600C.10800D.5300【答案】C多选题（共题）

201、某汽车轮毂打磨厂房，地上2层，建筑高度12m,建筑面积5600m2,在防火检查时获取下列信息，正确是（）A.屋顶钢承重构件涂刷防火涂料保护，耐火极限达到

1.OhB.除尘管道避开厂房梁、柱，沿外墙布置C.一层设置办公室，并采用防火墙和耐火极限不低于

1.5h楼板与其它部位分隔D.厂房设封闭楼梯间，并采用乙级防火门E.排风除尘设备集中布置在室外独立建筑内，该建筑外墙与厂房间距为10m【答案】ABD

2、由燃烧或热解作用产生全部物质称为燃烧产物，分为完全燃烧产物和不完全燃烧产物下列燃烧产物中，属于不完全燃烧产物是（）A.N0B.COC.SOD.H20E.H2S【答案】B

3、Text l〃The loveof money”,St Paulmemorably wroteto hisprotege Timothy,〃is theroot of all evil.〃〃All〃may beputting ita bitstrongly,but dozensofpsychological studieshave indeedshown thatpeople primedto thinkabout moneybeforean experimentare morelikely tolie,cheat andsteal duringthe courseofthat experiment.Another well-known aphorism,ascribed toBenjaminFranklin,is^time ismoney”.If true,that suggestsa syllogism:that thelove oftimeis aroot ofevil,too.But apaperjust publishedin PsychologicalScience byFrancescaGino ofHarvard andCassie Mogilnerof theUniversity ofPennsylvaniasuggests preciselythe opposite.Dr Ginoand Dr Mogilner askeda groupof volunteerstodo ascries ofwhat appearedto be aptitude tests.As isofien thecase insuchexperiments,though,what the volunteers weretold,and whatthe truthwas,wererather differentthings.In the first testthey wereasked tomake,within threeminutes,as manycoherent sentencesas theycould outofaset ofwordsthey had beenpresented with.What theywere nottold wasthat eachof themhad beenassigned tooneof threegroups.Some volunteers，word setswere seeded with onesassociated withmoney,such as〃dollars〃，〃financing〃and〃spend〃・Some were seededwithwordsassociated with time eg,clock,/hours,moment.And somewereseededwithneither.Thus unknowinglyprimed,the volunteerswere readyfor thesecond test.This wasmathematical.They weregiven asheet ofpaper with20matrices whicheachcontained12numbers,two ofwhich addedup toten forexample,

3.81and

6.

19.Theyhad towrite down,on aseparate answersheet,how many of thesepairs theycouldmanage tofind infive minutes.They werealso givena packetofmoney andtold theycouldreward themselveswith adollar foreach pairthey discovered.This ledDrGino andDrMogilnerto suspectthat self-reflection playeda partin controllingunethicalbehaviour duringthe test.They thereforeconducted athird testin which,for halfthevolunteers,there was a mirrorin thecubicle theywere sittingin whendoingthe experiment.Volunteers primedto thinkabout moneycheated39%of thetimewhen amirror waspresent but67%when itwas not.Those primedto thinkabout timecheated32%of thetime in the presenceof themirror and36%in itsabsence-resultsthat arestatistically indistinguishable.Finally,a fourthexperiment askedprimedvolunteers tofill in a questionnairebefore tacklingthematrix.In amongz/filler^questions intendedto disguisewhat washappening this askedthem torate howthey felt about self-reflective statementslike,“Right now,1am thinking about whoI amasaperson./zAs in the previoustests,those primed withmoney wordscheated moreofien than those primed with neutralwords andfar moreofienthanthoseprimedwithtime words.But whethersomeone cheatedwas alsorelatedto howstrongly hefeltaboutthe self-reflective statementspresented tohim inthequestionnaire.It seems,then,that thinkingabout timehas theopposite effectonpeople fromthinkingaboutmoney.It makesthem morehonest thannormal,ratherthan lessso.Moreover,the morereflective theyare,the morehonest theybecome.There mustbe anaphorism in that.A.The subjectshave beentold theirassignmentB.Volunteers whohadbeen primedwith money ideaswere morelikely tocheat othersC.12%volunteers hadbeen primedwithtime-related wordsD.33%subjects hadbeenprimedwithmoney-related words【答案】B

4、符合（）条件的建筑可不设置消防电梯A.高度大于32m且设置电梯，任一层工作平台上的人数不超过2人的高层塔架B.高度大于32m且设置电梯，任一层工作平台上的人数不超过5人的高层塔架C.局部建筑高度大于32m,且局部高出部分的每层建筑面积小于等于50球的丁类厂房D.局部建筑高度大于32m,且局部高出部分的每层建筑面积小于等于50nf的戊类厂房E.建筑高度大于33m的住宅建筑【答案】ACD

5、储存物品的火灾危险性为乙类的有（）A.硝化棉B.喷漆棉C.硝化纤维色片D.硝化纤维漆布E.硝化纤维胶片【答案】CD

6、下列关于生产火灾危险性分类叙述中，正确有（）A.闪点为28C液体厂房火灾危险性为乙类，闪点为60℃液体为丙类B.爆炸下限为10%气体厂房火灾危险性为乙类C.易燃固体厂房火灾危险性都为甲类D.可燃固体以及使用可燃固体进行生产作业，其火灾危险性都为丙类E.强氧化剂火灾危险性要么为甲类，要么为乙类【答案】AB

7、下列（）人防工程和部位应设置自动喷水灭火系统A.建筑面积为1500itf地下商店B.建筑面积大于1000nf丙类生产车间C.建筑面积为2000而旅馆D,700个座位电影院E,780个座位礼堂【答案】ABC

8、泡沫炮灭火系统是一种以泡沫炮为泡沫产生与喷射装置低倍数泡沫系统下列场所中，可以使用泡沫炮系统作为主要灭火设施是（）A.直径为20m原油储罐B.甲醇储罐区C.直径为15nl液化燃储罐D.建筑面积为2000m2飞机库E.建筑面积为10000m2飞机库【答案】CD

9、除有特殊规定外，对单独建造地下民用建筑地上部分，其（）内部装修材料燃烧性能等级可按照规定降低一级A.门厅B.营业厅C.观众厅D.休息室E.办公室【答案】AD

10、有爆炸危险的厂房、仓库采取有效的防爆措施下列措施符合要求的是（）A.散发较空气重的可燃气体、可燃蒸气的甲类厂房和有粉尘、纤维爆炸危险的乙类厂房，其屋顶面采用不发火花的屋面B.散发可燃粉尘、纤维的厂房内表面平整、光滑，并易于清扫C.使用和生产甲、乙、丙类液体厂房，其管、沟不得与相邻厂房的管、沟相通，下水道设置隔油设施，避免流淌或滴漏至地下管沟的液体遇火源后引起燃烧爆炸事故并殃及相邻厂房D.甲、乙、丙类液体仓库设置防止液体流散的设施E.民用建筑中空气中含有爆炸危险物质的房间，设置机械通风设施，空气必须经过处理才能循环使用【答案】BCD

11、下列储存物品中，属于甲类火灾危险性有（）A.黄磷B.碳化铝C.硝酸铜D.硫黄E.氯酸钠【答案】AB

12、石油化工生产中，下列物料投料顺序正确是（）A.氯化氢合成应先投氢后投氯B.三氯化磷生产应先投氯后投磷C.三氯化磷生产应先投磷后投氯D.氯化氢合成应先投氯后投氢E.硫磷脂与一甲胺反应，应先投硫磷脂，再滴加一甲胺【答案】AC

13、下列严禁采用明火和电热散热器供暖的有（）A.苯乙酮厂房B.甲酚厂房C.白兰地勾兑车间D.白兰地成品库房E.机油存储仓库【答案】BC

14、某甲酚厂房，二层的建筑面积为145疔，设置1个安全出口，同一时间内的工作人员可以为（）人A.10B.5C.15D.20E.25【答案】AB

15、建筑安全疏散技术的重点是安全出口、疏散出口以及安全疏散通道的数量、宽度、位置和疏散距离基本要求是（）A.疏散路线必须满足室内最远点到房门，房门到最近安全出口或楼梯间的行走距离限值B.疏散方向应尽量为双向疏散，安全出口应分散布置，减少袋形走道的设置C.选用合适的疏散楼梯形式，楼梯间应为安全的区域，不受烟火的侵袭，楼梯间入口禁止设置可自行关闭的防火门保护D.通向地下室的楼梯间不得与地上楼梯相连，如必须相连时应采用甲级防火门E.疏散宽度应保证不出现拥堵现象，并采取有效措施在清晰的空间高度内为人员疏散提供引导【答案】AB

16、下列属于影响建筑构配件耐火极限要素（）A.材料本身属性B.建筑构配件结构特性C.材料老化性能D.材料与结构件构造方式E.建筑重要性【答案】ABCD17First twohours,now threehours一this ishow farin advanceauthorities arerecommendingpeople showup tocatch adomestic flight,at leastat somemajor U.S.airports withincreasingly massivesecurity lines.Americans arewilling totoleratetime-consuming securityprotocols inreturn forincreased safety.The crashofEgypt AirFlight804,which terroristsmay havedowned overthe MediterraneanSea,provides anothertragic reminderof why.But demandingtoo muchof airtravelersor providingtoo littlesecurity inreturn underminespublic supportfor theprocess.And itshould:Wasted timeisadrag onAmericans5economic andprivate lives,notto mentioninfuriating.Last year,the TransportationSecurity AdministrationTSAfound in a secretcheck thatundercover investigatorswere ableto sneakweapons—both fakeand real―past airportsecurity nearlyevery timethey trieD.Enhanced securitymeasures sincethen,combined witha risein airline travel duetothe improvingeconomy andlow oilprices,have resultedin longwaits atmajorairports suchas ChicagosOHare International.It isnot yetclear howmuch moreeffectiveairline securityhas become一but the lines areobvious.Part ofthe issueisthat thegovernment did not anticipatethe steepincrease inairlinetravel,sothe TSAis nowrushing toget newscreeners ontheline.Part ofthe issueis thatairportshave onlyso muchroom forscreening lanes.Another factormay bethat morepeople are tryingto overpacktheir carry-on bagsto avoidchecked-baggagefees,though theairlines stronglydispute this.There isone stepthe TSAcould takethatwould notrequire remodelingairports orrushing tohire:Enroll morepeoplein thePreCheck program.PreCheck issupposed tobeawin-win fortravelers andtheTSA.Passengers whopass abackground checkare eligibleto useexpedited screeninglanes.This allowsthe TSAto focuson【答案】D

4、下列灭火器同时适用于A、B、C、E类火灾场所是（）oA.水型灭火器B.磷酸镂盐干粉灭火器C.泡沫灭火器D.二氧化碳灭火器【答案】B

5、某丙类二级多层厂房，其中每层2500m2未设置自动喷水灭火系统，其余设置自动喷水灭火系统，则设置自动喷水灭火系统的建筑面积不应超过（）m2oA.1000B.2000C.3000D.4000【答案】C

6、（2021真题）关于市政消火栓布置的说法，正确的是（）A.市政消火栓的供水压力从地面算起不应小于

0.lOMPaB.市政消火栓平时运行的工作压力不应小于

0.13MPaC.水力最不利市政消火栓的出流量不应小于10L/sD.市政消火栓的布置间距不应大于130m【答案】A travelerswho arehigher risk,saving timefor everyoneinvolveD.TSAwants toenroll25million peoplein PreCheck.It hasnot gottenanywhere closetothat,and onebig reasonis stickershock:Passengers mustpay$85every fiveyearsto processtheir backgroundchecks.Since thebeginning,this pricetag hasbeenPreChecks fatalflaw.Upcoming reformsmight bringthe priceto amore reasonablelevel.But Congressshould lookinto doingso directly,by helpingto financePreCheckenrollment orto cutcosts inother ways.The TSAcannot continuediverting resourcesintounderused PreChecklanes whilemost ofthe travelingpublic suffersinunnecessary lines.It islong pasttime tomake theprogram work.A.quieterB.cheaperC.widerD.faster【答案】B

18、根据《汽车库、修车库、停车场设计防火规范》规定，下列汽车库、修车库、停车场防火设计不符合规范要求是O OA.某半地下汽车库与火灾危险性为乙类厂房组合建造，建筑之间采用耐火极限不低于

2.00h楼板完全分隔，安全出口和疏散楼梯分别独立设置B.某修车库贴邻一甲类物品库房（贮存量为L5t）,采用防火墙隔开，库房内设置直通室外安全出口C.某地下汽车库内设置充电间D.某n类停车场内设置耐火等级为二级灭火器材间E.某修车库内设置加油、加气机，局部采用二氧化碳气体灭火系统保护【答案】ABC19Text1Smartphones haveby nowbeen implicatedin somany crummyoutcomes-carfatalities,sleep disturbances,empathy loss,relationship problems,failure tonoticea c1own ona unicycle-that italmost seemseasier tolist the things theydon，t messup thanthethingsthey do.Our societymay bereaching peakcriticismof digitaldevices.Even so.emerging researchsuggests thata kevDroblem remainsunderaDDreciated.It involveskids development,but itsprobably notwhat youthink.More thanscreen-obsessed youngchildren,we shouldbe concernedabouttuned-out parents.Yes,parents nowhave moreface timewith theirchildren thandidalmost anyparents inhistory.Despite adramatic increasein thepercentage ofwomenin theworkforce,mothers todayastoundingly spend more timecaring for theirchildren thanmothers didinthe1960s.But theengagement betweenparent andchildis increasinglylow-quality,even ersatz.Parents areconstantly presentin theirchildrenslives physically,but theyare lessemotionally attuned.To beclear,T mnot unsympatheticto parentsin thispredicament.My ownadult childrenliketo jokethat theywouldnt havesurvived infancyifT dhad asmartphone inmy clutches25years ago.To arguethat parents，use ofscreens isan underappreciatedproblemisnt todiscount thedirect risksscreens poseto children:Substantial evidencesuggeststhat manytypes ofscreen timeespecially thoseinvolving fast-paced orviolentimagery aredamaging toyoung brains.Today5s preschoolersspendmorethanfour hoursa dayfacing ascreen.And,since1970,the averageage ofonset of，zregular/zscreen usehas gonefrom4years tojust fourmonths.Some ofthe newerinteractivegames kidsplay onphones ortablets maybe morebenign thanwatchingTV orYouTube,inthatthey bettermimic childrensnatural playbehaviors.And,of course,many well-functioning adultssurvived amind-numbing childhoodspentwatching a lot ofcognitive garbage.My mother-unusually forher time-prohibitedSpeed Racerand GilligansIsland onthe groundsof insipidness.That Isomehowmanaged towatch everysingle episodeof eachshow scoresof timeshas neverbeenexplained.Still,no onereally disputesthe tremendousopportunity coststo youngchildrenwho areplugged into ascreen:Time spenton devicesis timenot spentactivelyexploring theworld andrelating toother humanbeings.A.invalidB.disputableC.unrealD.insufficient【答案】C20Text1Roberta Gordonnever thoughtshe，d still be aliveat age

76.She definitelydidntthink shedstillbeworking.But everySaturday,she goesdown tothe localgrocerystore andhands outsamples,earning$50a day,because sheneeds themoney.More andmore olderpeoplearefinding themselvesinasimilar situationas BabyBoomers reach retirement age withoutenough savingsand ashousing costsand medicalexpensesrise.Many peoplereaching retirementagedont havethe Densionsthat lotsof workersin previousgenerations moneydid,and oftenhave notput enoughoff of.into their401k sto liveaccess toaOther workersdidnothave theirretirement planthrough peoplereach theiremployer.That meansthat asmid-60s,theyeither haveto dramaticallycurtail theirspending orkeep workingto survive.Z/Thiswill bethefirsttime thatwe havealotof peoplewho findthemselves downwardlymobileas theygrow older5DianeOakley,the executivedirector ofthe NationalInstitute onRetirement Security,told me.Theyre goingto gofrom beingnear poorto poor.The problemis growingasmore BabyBoomersreachretirementage-between8,000tO10,000Americans turn65every day,according toKevin Prindiville,the executivedirector ofjusticeinAging,a nonprofitthat addressessenior poverty.Older Americanswere theonlydemographic forwhom povertyrates increasedinastatistically significantwaybetween2015and2016,according toCensus Bureaudata.While povertyfell amongpeople18and underand people18tO64between2015and2016,it roseto

14.5percent forpeople over65,according tothe CensusBureaus SupplementalPovertyconsidered amore accuratemeasure ofpoverty intoaccountMeasure,which ishealth-care costsand otherbig earlydecades ofour work,webecause ittakesexpenses.Z/In thewere servinghadbeen poorwhen theywere younger:J Prindivilletold me.communities that^Increasingly,we reseeing folkswho arebecoming poorforthe firsttime inold age.This presentsa worryingpreview ofwhat couldbefallmillions ofworkers whowill retireinthecoming decades.If todaysseniors arestrugglingwith retirementsavings,what willbecome ofthe peopleof workingagetoday,manyofwhom holdunsteady jobsand havepatchwork incomesthat leavelittleroom forretirement savingsThecurrent waveof seniorpoverty couldjust bethebeginning.And thiscould havelarger implicationsfortheeconomy.If todaysmiddle-class householdscurtail theirspending whenthey retire,the wholeeconomycould suffer.A.incapabilityB.worryC.anxieryD.agony【答案】B

7、以下厂房建筑的耐火等级不可采用三级的是（）A.单层的280面的丙酮厂房B.两层的每层180nf的活性炭制造厂房C.两层的每层300itf的鱼肉加工车间D.三层的每层400itf的石棉加工车间【答案】B

8、某公共建筑，设置集中火灾报警系统，并设有电气火灾监控系统，实测供电线路泄漏电流为600mA,关于电气火灾监控系统设计，正确是（）A.采用非独立式电气火灾监控探测器，并接入火灾报警控制器探测器回路B.电气火灾监控探测器报警后，电气火灾监控器自动切断供电电源C.剩余电流式电气火灾监控探测器设置在第一级配电柜（箱）出线端D.电气火灾监控器设置在保护区域附近无人值班场所【答案】D

9、一级建筑物楼板耐火极限为（）h,二级建筑物楼板耐火极限为（）hoA.

3.0,

2.5B.

1.5,1C.

2.0,

1.5D.

0.75,

0.50【答案】B

10、下列关于高层建筑中设置防烟系统说法，正确是（）A.封闭楼梯间不需要考虑防烟系统B.建筑高度为54m公共建筑，其防烟楼梯间、消防电梯前室可采用自然排烟方式C.建筑高度为100m住宅建筑，其防烟楼梯间、消防电梯前室应设置机械加压送风D.建筑高度为54m工业建筑，其防烟楼梯间、消防电梯前室应设置机械加压送风【答案】D

11、下列对DNA分子组成的叙述的是A.含有AGCT四种碱基B.分子中A+C=G+TC.分子中A+G=C+TD.分子中A+T=G+C【答案】D

12、某办公楼，地上6层，层高4m,每层建筑面积3000m2,关于消防应急照明和疏散指示系统的说法，错误的是（）A.备用电源的连续供电时间不应少于

0.5hB.集中电源输入回路不应装设剩余电流动作保护器C.集中电源输出回路不应装设剩余电流动作保护器D.集中电源输出回路不应设置短路保护装置【答案】D

13、二级耐火等级建筑吊顶采用难燃材料制作时，其耐火极限不应低于（），采用不燃材料制作时，其耐火极限（）A.

1.00h,不低于

0.50hB.

0.50,不低于

0.25hC.

0.50,不限D.

0.25,不限【答案】D

14、下列关于加压送风说法正确的是（）A.加压送风口都为常开的B.前室每层应设置一个常闭的加压送风口C.楼梯间应每层应设置一个常闭的加压送风口D.加压送风口都为常闭的【答案】B

15、相邻两座建筑中较低一座建筑的耐火等级不低于二级且屋顶无天窗，相邻较高一面外墙高出较低一座建筑的屋面15nl及以下范围内的开口部位设置（）防火门、窗，其防火间距可按规定减少A.甲级B.乙级C.丙级D.丁级【答案】A

16、下列建筑耐火等级不应低于二级是（）A.占地面积400nV单层松油醇车间B.占地面积400nf单层煤油仓库C.使用特殊贵重仪器化学实验室D.总蒸发量为4t/h单层燃煤锅炉房【答案】c

17、下列不可视为一级负荷供电供电方案是（）A.电源来自两个不同发电厂B.电源来自两个35kV区域变电站C.电源来自一个区域变电站，另一个设置自备发电设备D.电源来自一个区域变电站，采用两回线路引入用电负荷【答案】D

18、电影院观众厅座位布置，纵走道之间每排座位不宜超过（）个，横走道之间排数不宜超过（）排A.20,22B.22,20C.22,22D.20,20【答案】B

19、（2016年真题）下列关于建筑供暖系统防火防爆的做法中，错误的是（）OA.生产过程中散发二硫化碳气体的厂房，冬季采用热风供暖，回风经净化除尘在加热后配部分新风送入送风系统B.甲醇合成厂房采用热水循环供暖，散热器表面的平均温度为90℃C.面粉加工厂的碾磨车间采用热水循环供暖，散热器表面的最高温度为

82.5℃D.铝合金汽车轮胎毂的抛光车间采用热水循环供暖，散热器表面的平均温度为80℃【答案】A

20、某粮食加工厂有一个6层面粉碾磨厂房，建筑高度为

24.8m,与其相邻有一座三级耐火等级3层丁类厂房，这两个建筑之间防火间距不应小于moA.10B.12C.13D.15【答案】D

21、某新建煤粉厂房在确定防火间距时，与多层公共建筑之间间距不应小于01A.15B.20C.25D.50【答案】C

22、闪点是指在规定的试验条件下，可燃性液体或固体表面产生的蒸气在试验火焰作用下发生闪燃的最低温度下列哪种液体的闪点为35c A.丙酮B.二硫化碳C.松节油D.重油【答案】C

23、（2017年真题）七氟丙烷气体灭火系统不适用于扑救（）A.电气火灾B.固体表面火灾C.金属氢化物火灾D.灭火前可切断气源的气体火灾【答案】C

24、下列关于确定厂房火灾危险性分类叙述中，不正确有（）oA.某2层木器厂房，每层面积为800nl2,其中喷漆间为40m2,则其火灾危险性为甲类B.某戊类厂房中一防火分区面积为800nl2,其中油漆工段面积为79nl2,且采取了有效防止火灾蔓延措施，则其火灾危险性为戊类C.某戊类厂房中一防火分区面积为800nl2,其中油漆工段面积为160m2,采用封闭喷漆工艺，封闭喷漆空间内保持负压，油漆工段设置可燃气体探测报警系统，则其火灾危险性为戊类D.某木器厂房中一防火分区面积为800m2,其中油漆工段面积为160m2,采用封闭喷漆工艺，封闭喷漆空间内保持负压，油漆工段设置可燃气体探测报警系统或自动抑爆系统，则其火灾危险性为丙类【答案】D

25、下列场所可不设置排烟设施是（）A.丙类厂房内建筑面积400m2打包间B.建筑面积6000m2石灰焙烧车间C.占地面积2000m2天然橡胶品仓库D.高度32m高层厂房内长度30m疏散走道【答案】D

26、下列固体在燃烧过程中，会发生蒸发燃烧是oA.麻B.木材C.磷D.铁【答案】C

27、下列建筑或场所中，应设置自动灭火系统并宜采用自动喷水灭火系统是OA.某建筑高度为

5.6m2层网吧，每层建筑面积为300m2B.某总建筑面积为400m2单层老年人照料设施C.某建筑高度为

15.8m3层商店，每层建筑面积为1000m2D.某座位数为1500个单层礼堂【答案】B

28、关于楼梯间设置做法，下列不符合规定是A.某地上5层办公建筑，层高4m,采用敞开楼梯间B.某建筑高度31m住宅建筑，户门采用乙级防火门，采用敞开楼梯间C.某建筑高度24m教学建筑，教室采用敞开式外廊与敞开楼梯间连通D.某地上4层饲料加工厂房，层高3m,采用敞开楼梯间。