消防救生.docx

消防救生.docx

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消防救生

消防救生

[1]Theemergencysignalforfiresissoundedontheship'swhistleandgeneralalarmas______．

A.acontinuousringingfor10seconds

B.oneshortringfollowedbyonelongring

C.twolongringsofatleast20seconds

D.acontinuousringinguntilthefireisextinguished

[2]Acarbondioxidefireextinguishershouldberecharged______.

A.atleastannually

B.wheneveritisbelowitsrequiredweight

C.onlyiftheextinguisherhasbeenused

D.beforeeverysafetyinspection

[3]AclassBfireismostsuccessfullyfoughtby______.

A.preventingoxygenfromreachingtheburningmaterial

B.coolingtheburningmaterialbelowitsignitiontemperature

C.usingtheextinguishingagenttomaketheburningmaterialfire-resistant

D.usingtheextinguishingagenttoabsorbtheheat

[5]Acombustiblegasindicatormeteriscalibratedtoreadthepercentageof______.

A.vaportooxygen

B.theflammablelimitconcentration

C.theautoignitionconcentration

D.thelowerexplosivelimitconcentration

[6]AcombustiblegasindicatorwillNOToperatecorrectlywhenthe______.

A.hydrocarboncontentoftheatmosphereexceedstheU.E.L

B.atmosphereisdeficientinoxygen

C.distancebetweentheoperatorandthecompartmenttobetestedisgreaterthan50feet

D.Alloftheabove

[7]Adefiniteadvantageofusingwaterasafireextinguishingagentisitscharacteristicof______.

A.alternateexpansionandcontractionaswaterinaliquidstatebecomesavapor

B.absorptionofsmokeandgasesaswaterisconvertedfromaliquidtoavapor

C.rapidcontractionaswaterisconvertedfromaliquidtoavapor

D.rapidexpansionaswaterabsorbsheatandchangestosteam

[8]Afirehasbrokenoutonthesternofyourvessel.Youshouldmaneuveryourvesselsothewind______.

A.blowsthefirebacktowardthevessel

B.comesoverthebow

C.comesoverthestern

D.comesovereitherbeam

[9]Afireinaballastpumproomcanbebroughtundercontrolwithminimalimpactonstabilityby______.

A.coolingtheoutsidebulkheadswithwater

B.shuttingallsourcesofairintothecompartment

C.closingtheseachest

D.floodingthecompartmentwithsaltwater

[10]Afireinelectricalequipmentshouldbeextinguishedbyusing______.

A.saltwater

B.foam

C.low-velocityfog

D.CO2

[11]Afirestartingbyspontaneouscombustioncanbeexpectedinwhichcondition?

______.

A.Paints，varnish，orotherliquidflammablesarestowedinadrystoreslocker.

B.Inertcargoessuchaspigironareloadedinawetcondition.

C.Oilyragsarestowedinametalpail.

D.Cleanmattressesarestoredincontactwithanelectriclightbulb.

[12]BeforeusingafixedCO2systemtofightanengineroomfire，youmust______.

A.securetheengineroomventilation

B.securethemachineryintheengineroom

C.evacuateallengineroompersonnel

D.Alloftheabove

[13]CO2extinguishesafireby______.

A.cooling

B.smothering

C.chemicalaction

D.Alloftheabove

[14]DrychemicalextinguishersextinguishclassBfirestothegreatestextentby______.

A.cooling

B.smothering

C.oxygendilution

D.breakingthechainreaction

[15]Drychemicalextinguishersmaybeusedonwhatclassoffires?

A.Aonly

B.Bonly

C.BandConly

D.A，BorCasmarkedontheextinguisher

[16]Duringafiredrillonaship，whatactionisrequired?

A.Starteachfirepump

B.Launchandrunalifeboat

C.Inventoryrescueandfireequipment

D.Inspectfirehoses

[17]Eachfireman'soutfitanditsspareequipmentonavesselmustbestowed______.

A.inalockedcabinetinthemachineryspace

B.inanunlockedcabinetinthemachineryspace

C.inaseparateandaccessiblelocation

D.atafirehydrantlocation

[18]______，asthechemicalextinguisheragent，shouldbeusedforanelectricfire．

A.drychemicalorfoam

B.foamorsodaacid

C.carbondioxideorfoam

D.carbondioxideordrychemical

[19]ACO2extinguisheronashipwhichhaslost10%ofitschargemustbe______.

A.usedattheearliestopportunity

B.hydrotested

C.recharged

D.weighedagaininonemonth

[20]ACO2portableextinguisherisannuallycheckedby______.

A.readingthegagepressure

B.weighingtheextinguisher

C.dischargingasmallamountofCO2

D.seeingifthesealhasbeenbroken

[21]Afoam-typeportablefireextinguisherismostusefulinfightingafirein______.

A.generators

B.oildrums

C.thebridgecontrols

D.combustiblemetals

[22]Afoam-typeportablefireextinguisherwouldbemostusefulincombatingafirein______.

A.solidmaterialssuchaswoodorbalesoffiber

B.flammableliquids

C.apieceofelectricalequipment

D.combustiblemetallicsolids

[23]AGROUPOFCREWMEMBERSTRAINEDFORFIGHTINGFLOODINGINTHEVESSELareknownas______.

A.Fireparty

B.Deckcadets

C.Researchteam

D.Damagecontrolteam

[24]Alargeoilfireonthedeckofashipcanbefoughtmosteffectivelywith______.

A.drychemical

B.foam

C.high-velocityfog

D.Water（cartridge-operated）

[25]Aportabledrychemicalfireextinguisherdischargesby______.

A.gravitywhentheextinguisheristurnedupsidedown

B.pressurefromasmallCO2cartridgeontheextinguisher

C.airpressurefromthehandpumpattachedtotheextinguisher

D.pressurefromthereactionwhenwaterismixedwiththechemical

[25]AfterextinguishingafirewithCO2，itisadvisableto______.

A.useallCO2availabletocoolthesurroundingarea

B.standbywithwaterorotheragents

C.thoroughlyventilatethespaceofCO2

D.jettisonallburningmaterials

[26]AllofthefollowingarepartofthefiretriangleEXCEPT______.

A.electricity

B.fuel

C.oxygen

D.heat

[27]Anadvantageofadrychemicaloveracarbondioxidefireextinguisherisits______.

A.greaterrange

B.effectivenessonalltypesoffires

C.cleanliness

D.Alloftheabove

[28]Anextinguishingagentwhicheffectivelycools，dilutescombustiblevapors，removesoxygen，andprovidesaheatandsmokescreenis______.

A.carbondioxide

B.Halon1301

C.drychemical

D.waterfog

[29]Animportantstepinfightinganyelectricalfireisto______.

A.stopventilation

B.stopthevessel

C.de-energizethecircuit

D.applywatertoextinguishthefire

[30]Asanextinguishingagent，foam______.

A.conductselectricity

B.shouldbedirectedatthebaseofthefire

C.ismosteffectiveonburninggaseswhichareflowing

D.extinguishesbycoolingoilfiresbelowignitiontemperature

[31]Firehosecouplings______.

A.aremadeofbronze，brass，orsoftalloymetals

B.shouldbepaintedredinordertoidentifyhoselengths

C.arespeciallyhardenedtopreventcrushing

D.shouldbegreasedfrequently

[32]Gasmasks______.

A.shouldbewornwhilefightingafire

B.canbeusedinatmospheresdeficientinoxygen

C.filtercontaminantsfromairthatistobebreathed

D.maybesubstitutedforaself-containedbreathingapparatus

[33]Halonextinguishesafireby______.

A.breakingthechainreaction

B.smotheringthefire

C.coolingthefire

D.coatingthefuelwithanonflammablesurface

救生设备

[34]Never______thelifeboatorlifecraftdisengaginglocksorhydrostaticreleasegearsbecauseitcancausethemtofailtofunction．

A.oil

B.rig

C.release

D.paint

[35]Yourvesselisequippedwithtotallyenclosedlifeboats.WhichstatementisTRUEwhentheboatisenvelopedinflames?

______.

A.Theventilatorswillautomaticallyclosebytheactionoffusiblelinks.

B.Themotortakesitsairsupplyfromoutsidethelifeboattopreventasphyxiationofthecrew.

C.Awaterspraysystemtocooltheoutsideoftheboatisoperatedbyahigh-volumemanualpump.

D.Anairtankwillprovideabouttenminutesofairforthesurvivorsandtheengine.

[36]Yourvesselhaslifeboatsonbothsides.LifeboatNo.2islocated______.

A.forwardoflifeboatNo.4onthestarboardside

B.forwardoflifeboatNo.4ontheportside

C.aftoflifeboatNo.1onthestarboardside

D.Alloftheabove

[37]Whenlaunchingalifeboatintheroughsea，thedavitgearsshouldbereleased______.

A.beforetheboatisloweredfromthestowedposition

B.astheboatfallblocksbreakclearofthedavithead

C.beforetheboatisloweredfromtheembarkationlevel

D.aftertheboatisreleasedintothewater

[38]Ifyouhearmorethansixshortblastsandonelongblastofthewhistlesupplementedbythesamesignalonthegeneralalarm，youshould______.

A.startthefirepump

B.gotoyourmanoverboardstation

C.gotoyourlifeboatstation

D.standbyforcollision

[39]Frappinglinesarefittedtolifeboatdavitsto______.

A.securethelifeboatinthedavitswheninthestowedposition．

B.bringthelifeboatclosealongtherailintheembarkationposition．

C.givetheoccupantsasafetylinewhentheboatisbeingloweredfromtheembarkationlevel．

D.reducetheswingingofthelifeboatattheembarkationlevel

[40]Afterabandoningship，youshoulddeploytheseaanchorfromaliferaftto______.

A.keeptheliferaftfromcapsizing

B.navigateagainstthecurrent

C.keeppersonnelfromgettingseasick

D.stayinthegenerallocation

[41]______ofthefollowingstatementsis（are）correctregardingmotorlifeboatsoncargovessels.①Themotorofeachlifeboatshallbeoperatedintheaheadandasternpositionforaperiodofnotmorethan5minutesonceineachweek．②Thefueltankofallmotor-propelledlifeboatsshallbeemptiedandthefuelchangedatleastonceineveryyear．

A.①only

B.②only

C.Both①and②

D.Neither①nor②

[42]Ifthesurvivalcraftisnotloadedtofullcapacity，thepersonnels