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PRACTICE EXAM FIREFIGHTER QUESTIONS
AND ANSWERS WELL ILLUSTRATED.
- Which of the following was not suggested for personnel protection with regard to dealing with the chemical in question? A. Keep upwind of the chemical. B. Wear self-contained breathing apparatus. C. Avoid bodily contact with the chemical. D. Any chemical that may inadvertently contact the body should be washed off with large amounts of alcohol.: D. Any chemical that may inadvertently contact the body should be washed off with large amounts of alcohol.
- If a container of ethylene oxide has been subjected to fire for a prolonged period of time, what is the recommended distance for safe evacuation?: 5, feet
- What dilution of ethylene oxide with water is required to effectively inhibit its flammability?: 24: 1
- Once ethylene oxide becomes contaminated, what kind of chemical process may occur that can generate enough heat and pressure to rupture its contain- ment?: Polymerization
- Which of the following choices is not recognized as a symptom stem- ming from ethylene oxide vapor exposure? A. Eye irritation B. Skin irritation or burns C. Irritation of the respiratory system D. Loss of muscular function: C. Irritation of the respiratory system
- :
- Firefighters often apply a hose stream to the side of a building that is in close proximity to a fire. What is the primary reason for conducting such an operation?: Radiant heat given off by the neighboring fire may adversely affect the nearest wall. Without the coolant effect of the hose stream, enough heat may be
2 / 34 absorbed by an exposed surface to cause ignition and create a separate blaze.
- Frequently, people use an octopus wall outlet connection to maximize the number of appliances that can be plugged into a single outlet. What would this be considered?: Unsafe, because the excessive amount of current drawn through the outlet may exceed what it is designed to handle. This may set the stage for wires to overheat or a short circuit to occur, thus causing a fire within the partition.
4 / 34 B. Tornadoes, floods, earthquakes, and hurricanes are taken for granted by most people. C. People are better able to cope with natural weather phenomena than fire. D. Statistically there are many more fires than natural weather or geophysical disasters. This, combined with public apathy and a lack of education about fire, is the probable reason for the high fatality rate.: D. Statistically there are many more fires than natural weather or geophysical disasters. This, combined with public apathy and a lack of education about fire, is the probable reason for the high fatality rate. When the destructive capabilities of fire are compared to those of tornadoes, hurricanes, earthquakes, and floods, it is a misconception to think that fire is the worst. In fact, the destructive energy of the other phenomenon discussed is significantly greater. Additionally, fire prevention and education are taken for granted by most people, thus leading to preventable accidents and consequent fatalities.
- When mechanical ventilation is required to help purge heat and smoke from a burning building, which of the following should be avoided?: Placing the exhaust fan, if possible, in the same direction that the prevailing winds are coming from. The vented exhaust is being directed against a prevailing wind. This is neither efficient nor desired because the vented gases could be inadvertently recirculated into the building. The best idea is to use wind to your advantage, not have it work against you.
- In your judgment, what is the best reason for fire hoses to be removed and reloaded on an apparatus at least once every 30 days? A. Hose tends to get brittle with little use. B. Water trapped within a hose after use can stagnate and deteriorate the lining. C. It reduces the possibility of bends becoming permanently set at certain points in the hoseline. D. It is just another menial job to keep firefighters constantly busy.: C. It reduces the possibility of bends becoming permanently set at certain points in the hoseline.
5 / 34 It is a fact that hose lines left unused for long periods of time deteriorate more quickly than hoses that are frequently used. Unloading hose at least once a month eliminates the problem of bends becoming permanently set in the lining. Once bends happen, hoses can become weak at the bend points and are more prone to leakage or rupture.
- What is the most important attribute a good driver has over someone with marginal driving ability?: A good attitude.
- Firefighters are responsible for preventing any unnecessary damage from occurring to hoselines at the scene of a fire. Not only are they expensive to replace, but damaged hoses can become ineffective in fighting a fire if they cannot remain charged because of leaks or ruptures. Which of the following hose-care practices is not recommended? A. Avoid excessive dragging. B. Don't allow vehicles to run over charged hoses. C. Avoid laying hose over sharp or rough corners. D. Use hot air to quickly dry the outside woven jacket of the hose.: D. Use hot air to quickly dry the outside woven jacket of the hose. Most hoses are composed of rubber, natural or synthetic. When rubber is subjected to hot air, it quickly deteriorates or cracks. Moderately warm air should be used to dry hoseline.
- In your judgment, what is the best reason for fire hoses to be removed and reloaded on an apparatus at least once every 30 days?: It reduces the possibility of bends becoming permanently set at certain points in the hoseline. It is a fact that hose lines left unused for long periods of time deteriorate more quickly than hoses that are frequently used. Unloading hose at least once a month eliminates the problem of bends becoming permanently set in the lining. Once bends happen, hoses can become weak at the bend points and are more prone to leakage or rupture.
- Without considering braided nylon, which of the 1 ½" diameter ropes shown in the chart would support the greatest load? A. Braided nylon B. Nylon
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B. 1.33: 1.
C. 3: 1
D. 1: 3: C. 3: 1
Since we are dealing with two different units of measure (i.e., yards and inches), it is necessary to convert one to the other. This can be done one of two ways. We know there are 36 inches in a yard, so 16 inches is equal to yard or, in reduced form, yards. Or we can change yards into inches; we simply multiply
- The number 49 is 42% of what number? A. 20. B. 79. C. 116. D. 136.1: C. 116. set up proportion 49/X = 42/
- If pulley A has a circumference of 14.75 inches and pulley B has a circumference of 23.25 inches, how fast would pulley A turn if pulley B were turning at 200 rpm? A. 315.25 rpm B. 274.67 rpm C. 192.83 rpm D. 126.88 rpm .: A. 315.25 rpm **This is a problem that necessitates an inverse proportion. If we try to solve this with a direct proportion, we would set it up in the following manner:
Study sonline sat shttps://quizlet.com/_1vuyfg 8 s/ s 34 23.25 s/ s14.75 s= sXrpm s/ s200rpm s**
- sThe sloss sof swater spressure sin sa shose scan sbe sattributed sto sfriction. sIf sit sis sknown sthat sthe sfriction sloss sin s 100 sfeet sof s 1 s½ sinch shose sis s 25 spounds sper ssquare sinch, swhat swould sbe sthe sfriction sloss sfor s 150 sfeet sof s 1 s½ sinch shose, sassuming sall sother sfactors sremain sconstant? A. 16.67 spsi B. 37.5 spsi C. 47.3 spsi D. 52 spsi: sB.s37.5 spsi 100/ s 150 s= s25/x
- sIf sa s 6 - foot-tall sfirefighter scast sa sshadow s7.5 sfeetslongsandssimultaneously snoticed sthat sthe sfire sstation scast sa sshadow s 35 sfeet slong, show stall sis sthe sfire sstation? sA. s27.5 sfeet B. s 28 sfeet C. s29.7 sfeet D. s 32 sfeet: sB.s 28 sfeet 6/x s= s7.5/
- sWhat swould sbe sthe sdisplacement sof sa spiston sthat shas sa sbore sof s3. sinches sand sa sstroke sof s4.75 sinches? A. 39.41 scubic sinches B. 47.59 scubic sinches C. 132.52 scubic sinches D. 157.62 scubic sinches: sA. s39.41 scubic sinches **What sis sessentially sbeing sdescribed sin sthis squestion sis sthe svolume sof sa scylinder. sThe sbore srepresents sthe sdiameter sof sthe scylinder sand sthe sstroke srepresents sthe sheight sof sthe scylinder.sSince svolume sof sa scylinder s= spi sx sR^2 sx sHeight, swe scan seasily sfigure sthe
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B. 27
C. 35
D. 42:sD.s 42 ** s6/5 sx s2/4 s=25/x s**
- sTwo sfire sinspection sofficers sthat slived sin scities s 469 smiles sapart sstarted stravelingstowardsonesanother sonsthe ssame sroute satsratessofs 57 smphsands 68 smph. sIf sboth sdrivers sdeparted sat s6: s 15 sa.m., swhat stime swould sthey spass seach sother? A. 9: s 15 sa.m. B. 10: s 00 sa.m. C. 10: s 20 sa.m. D. 1: s 15 sp.m.: sB.s10: s 00 sa.m. 57x+68x=469
- sOn sFriday snight, sGreg sdrove shome sfrom sfire sacademy straining sat san saverage srate sof s 58 smph. sOn sthe sreturn strip sSunday snight, shis srate swas s 5 smph sslower, swhich stook shim san sadditional s 30 sminutes sof stravel stime. sHow slong sof sa scommute sis sit sbetween sGreg's shome sand sthe sacademy? A. 261 smiles B. 292.5 smiles C. 301.7 smiles D. 307.4 smiles:sD.s307.4 smiles 58x s= s53(X+.5)
- sAssume sthe sfire sdepartment spays s75% sof syour smedical sinsurance sand sanother s$ s 150 sper smonth sfor sdental sinsurance. sIf syour scombined sinsurance sbenefits stotal s$ s 600 sper smonth, swhat sdoes sthe sfire sdepartment sactually spay sfor syour smonthly smedical sinsurance spremiums? A. $ s 550 B. $ s 575
Study sonline sat shttps://quizlet.com/_1vuyfg 11 s/ s 34 C. $ s 600 D. $ s625: sC.s$ s 600 3/4X+150=600
- 52.sHowsmanysouncessofswatersshouldsbesaddedstos 24 souncessofsansalcohol/ swater ssolution scontaining s44% salcohol sto sdilute sthe smixture sto s20% salcohol? A. s33.1 sounces B. s 31 sounces C. s28.8 sounces D.s 24 sounces: sC.s28.8 sounces 10.56=.20(x+24)
- sAn sindustrial salarm scontrol spanel sis sin sa srectangular scontainer sthat shas sa ssquare sbase sand sa smeasured svolume sof s 16 scubic sfeet.sThe sheight sof sthis scontainer sis s 16 sinches.sWhat swould sbe sthe slength sof sthe sbase? A. 3.464 sfeet B. 4.125 sfeet C. 4.65 sfeet D. 5.14 sfeet: sA.s3.464 sfeet *X sx sX sx s 1 s1/3= s 16
- sA sdrill spress soperator snoticed sthe smetallic swaste son sthe sfloor swas ssmoking sand son sthe sverge sof signiting.sWhat skind sof sfire sextinguisher swould sbe sbest ssuited sfor sthis ssituation? A. Class sA B. Class sB C. Class sC D. Class sD: sB.sClass sB
Study sonline sat shttps://quizlet.com/_1vuyfg 13 s/ s 34 an sextreme shazard sof selectrical sshock sbecause swater sis sconductive. sChoice sD sis swrong sbecause sit swas smentioned sin sthe spassage sthat sClass sD sfires srequire sspecial sextinguishingsagents.sThus,sthroughsasprocesssofselimination,sChoicesAsissthescorrect sanswer.*
- sIf sanother saboveground sstorage stank scontains sa sradioactive smaterial sthatsposessansextremeshazardstosthoseswhosdosnotswearsprotectivesgear,swhich sof sthe schoices sbelow swould sbest sidentify sthe ssubstance sin squestion saccording sto sthe s 704 slabeling ssystem? A. The sblue squadrant smust sdemonstrate sa ssignal sof s 3 sor s 4 scoupled swith sthe sradioactivity sinsignia sin sthe sbottom squadrant sof sthe splacard. B. The sblue squadrant smust sdemonstrate sa ssignal sof s 1 sor s 2 sin sconjunction swith sthe syellow squadrant sbearing sthe sinsignia sfor sradioactivity. C. Thesredsquadrantsmustsshowsashighsnumberstosindicatesansextremesreactivity sdue sto sthe spresence sof sradiation. D. All squadrants sshould sbe smarked swith sa shigh ssignal sdue sto sthe sradioactivity sinvolved.: sA.sThe sblue squadrant smust sdemonstrate sa ssignal sof s 3 sor s 4 scoupled swith sthe sradioactivity sinsignia sin sthe sbottom squadrant sof sthe splacard. Only sChoice sA scomes sclosest sto swhat sis sdescribed sas sbeing sstored sin sthe stank. sEven sthough sthere swas snot smuch selaboration son sthe snumber ssystem, swe swere stold sthat sthe shigher sthe ssignal s(i.e., snumber), sthe smore shazardous sthe smaterial sidentified. sOn sthat spremise salone.
- sThe stemperature srequired sto sconvert sa sfuel sfrom sa sliquid sstate sto sa sgaseous sstate sis sconsidered sto sbe swhat?: sThe sflashpoint sof sa sfuel The sflashpoint sof sa sfuel sis sthe stemperature srequired sof sa sliquid sto sconvert sto sa sgaseous sstate sor, sin sother swords, svaporize.sPyrolysis sconcerns sthe sconversion sof ssolids sto sa sgaseous sstate.
- 70.sAnother sterm sfor sa sliquidssubstance sthat sdemonstrates sa slowsflashpoint sis: sVolatile Any sliquid sthat shas sa slow sflashpoint sis sconsidered sto sbe svolatile. sButyl salcohol sis, sin sfact, sone ssuch ssubstance.sHowever, swe sare sconcerned swith sfinding sanother sterm rather sthan san sexample. sChoice sB sis swrong sbecause sit swas sstated sin sthe sarticle sthat sliquids sare snot scompressible.
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- sHow sis sliquid ssimilar sto sa sgas?: sBoth sassume sthe sshape sof stheir scontainer. A sliquid sand sa sgas sboth shave sthe scharacteristic sof sassuming sthe sshape sof stheir scontainment.
- sWhich sof sthe ssubstances sshown sin sthe schart sbelow sposes sthe sgreatest srisk sof saccidental scombustion swhile sbeing shandled? sSUBSTANCE sFLASH- sPOINT sGasoline s- 36 s° sF sAviation sfuel s- 50 s° sF sKerosene s 100 s° sF sMineral soil s 380 s° sF: sAviation sfuel According sto swhat sis sgiven sin sthe squestion, saviation sfuel shas sthe slowest sflashpoint. sIn sfact, sboth saviation sfuel sand sordinary sgasoline scan sexist sin sa sgaseous sstate sat sroom stemperature.sIfsvapors sfrom sthese sfuels sflow sacross san signition ssource, sthe sresult scan sbe san sexplosion.sKerosene sand smineral soil sare smuch smore sstable sdue sto stheir shigher sflashpoints.
- sIf sa sfirefighter sneeded sto sgain sentry sto sa spremises swhere sthe sdoors swere schained sand spadlocked, swhat stool sillustrated sbelow sis smost sappropriate sto sbe sused sto scut sthe schain slink sor sthe slock's sshackle?: sBolt sCutters Boltscutters swould sbesthesmostsappropriate stool susedsto scutschainslink.sStraight ssnips saresbetter sused stoscut sthinssheetsmetal sinsteadsofsthicksroundsmetal sstock.sA shacksaw scould scut seither sthe slock sor sthe schain; showever, sit swould sbe ssignificantly sslower sand smore sinconvenient sto suse sthan sbolt scutters.
- sWhich sof sthe sfollowing swrenches sis snot sconsidered sto sbe sadjustable? A. Crescent swrench B. Box swrench C. Monkey swrench D. Stilson swrench: sB.sBox sWrench The sbox swrench sis sthe sonly salternative slisted sthat slacks sadjustability.
- sIf san selectrician sneeded sto sflare sthe send sof sa spiece sof selectrical sconduit sto screate sa scoupling swith sanother spiece sof selectrical sconduit, swhat skind sof stool swould sbe sused? A. sA sbrace swith san sauger sbit B. sA sbrace swith sa sream
Study sonline sat shttps://quizlet.com/_1vuyfg 16 s/ s 34 B. Keep syour shands sabove sthe spoint sof simpact. C. Never suse syour shands sto sbreak sglass. D. Initially sbreak sthe stopmost sportion sof sa swindow, sand sthen swork syour sway sto sthe sbottom sof sthe spane.:
- sIf sa sfirefighter sen sroute sto san semergency sbecame sinvolved sin sa straffic saccident,swhichsofsthesoptionssgivensbelowswouldsbesthesnextsappropriatesstep sto stake? A. Stop simmediately. B. Assess sthe samount sof sdamage sdone. sIf sit sseems sinsignificant, sit swould ssimply sbe sa swaste sof stime sto sreport sit. C. Notify shis sor sher ssuperior safter sthe spolice shave sconducted sa sthorough sinvestigation. D. Bring sthe svehicle sto sa shalt sonly swhen sit sis ssafe sto sdo sso.:
- sWhen sartificial srespiration sis srequired, sthe svictim's shead sis stilted sback sby slifting sgently sthe sback sof sthe sneck sand spushing sthe sforehead sdown.sWhat sis sthe sprinciple sreason sfor sdoing sthis?:
- sThe sprotective sbarrier sbetween sa scar's sengine sand sthe spassenger scompartment sis sreferred sto sas sa sfirewall. sJudging sby sits slocation, sthis sbarrier sprincipally sserves swhat sfunction?:
- 21.sGasolinesenginessbecomesmoresefficientswhenstheysoperatesatsseaslevel sversus shigher selevations.sWhat sis sthe smost sprobable sreason sfor sthis?:
- 24.sOn soccasion,sfire sdepartments sreceive semergency scalls sregarding speo- sple sthat shave sfallen sthrough sthe sice son sfrozen slakes sor sponds.sThrowing sa srope sor sline sto sthe svictim sis ssometimes sineffective sbecause sthe svictim spanics sor sbecause shypothermia sprecludes sany spossibility sof sa ssafe srescue.sWhen sfirefighters slay sa swooden sladder son sthe sice sand suse sit sas sa scrawlway sto sextend sdirect sreach sto sthe svictim, swhat swould sthis sbe sconsidered? A. Safe; seven sif sthe sice swere sto sbreak, sthe sladder swould sfloat. B. Unsafe. sIt swould sbe squicker sto sjust swalk sto sthe sedge sof sthe sice sand spull sthe svictim sout sof sthe swater. C. The ssafest salternative sconsidering sthe scircumstances.sThe sladder sserves sto
Study sonline sat shttps://quizlet.com/_1vuyfg 17 s/ s 34 displace sweight sover sa swider sarea sand sthus smakes sit sless slikely sthat sthe sice swill sbreak sfurther. D. Unsafe.sThe sadded sweight sof sthe sladder smay scause sthe sice sto sbreak sfurther, sthus scomplicating seffective srescue.:
- sWhich sof sthe sfirefighting spractices sbelow sgive sthe sgreatest sbenefit sin sreducingsthesneedsforsextrasmanpowerswhenssalvagesoperationssaresundertak- sen? A. Open sall sdoors sand swindows sto sprovide sextensive sventilation. B. Use sa shose sstream sjudiciously swhen ssuppressing sa sfire. C. Removesassmuchsfurnituresorsmerchandiseswithinsthesbuildingsassquicklysas spossible. D. Cover severything spossible swith spolyethylene ssheeting sto sreduce sfurther sdamage sfrom ssmoke.:
- sWhich skind sof sfire sis sprobably sthe sworst sfor sfirefighters sto scope swith?:
- sWhat sis sthe sreason sthat sair sshould sbe sbled sfrom sa shose simmediately sbefore sadvancing sinto sa sburning sstructure?:
- sElecting sto suse sa sfog sor sfine sspray sinstead sof sa ssolid sstream sdoes snot sprovide swhich sof sthe sfollowing sadvantages? A. This smethod suses sless swater. B. It scovers sa sgreater sarea. C. It sabsorbs smore sheat. D. It srequires slow sdischarge spressure.:
- sUpon sarriving sat sa swarehouse ssuspected sof shaving sa sgas sleak sof sunknownsorigin sinside,stwo sthings swere simmediately sapparent sto sthe sfire screw. sBothsmetalsdoorsstosthesfrontsandsbackswereslockedsandstheresweresnoswindows sonsthesgroundsfloor.sUndersthescircumstances,swhatsissthesbestspossiblesmeans sto sconduct sa sforcible sentry? A. Use san soxyacetylene scutting storch son sthe sfront sdoor. B. Utilize sa spry sbar sor ssome ssimilar stool sto swedge sopen sthe sdoor sat sthe sjamb. C. Use sa sfireman's saxe sto screate sa shole sin sthe sdoor slarge senough sto saccommo-
Study sonline sat shttps://quizlet.com/_1vuyfg 19 s/ s 34 A. 7,905.2 scubic sfeet B. 6,480 scubic sfeet C. 967 scubic sfeet D. 135 ssquare sfeet:
- sA ssolution scontains s35% sbenzene sand s65% swater. sIf s 14 sliters sof sthis ssolution sis sdiluted sby sadding s4.5 sliters sof swater, swhat spercentage sof sbenzene swould sbe spresent sin sthe snew smixture? A. 23.7% B. 26.49% C. 31.7% D. 43.55%:
- sWhich sinstrument scould sbest sdetermine sif sthe sinterior sdiameters sof stwo spipes sis sidentical?:
- 79.sWhichsofsthe stools sbelowslacks sthe sability stosmiter ssquare?sA.sTry ssquare B. sCombination ssquare C. sCarpenter's sframing ssquare D. sBoth sA sand sC:
- sWhich sof sthe swrenches sbelow sis smore sconvenient sand scan ssave stime swhen sit sis snecessary sto sloosen sor stighten sa sbolt sin stight squarters? A. Crescent swrench B. Stilson swrench C. Offset swrench D. Socket swrench:
- 82.sWhatskind sof swrench sdemonstrates sansL-shaped shexagonal sdesign sthat sis sused sto stighten sor sloosen smachined ssetscrews? A. Allen swrench
Study sonline sat shttps://quizlet.com/_1vuyfg 20 s/ s 34 B. Torque swrench C. Stilson swrench D. Offset swrench:
- sWhat skind sof sfile swould sbe sbetter ssuited sto ssharpen sthe sdull sedges sof sa ssaw sblade sand sachieve sproper sangle sset? A. Flat sfile B. Round sfile C. Triangular sfile D. Bench sgrinder:
- sConsidering show sclosely sbuildings swere sspaced stogether, sthe skind sof smaterials sused sin stheir sconstruction, sand sthe sinadequacy sof sfirefighting sequipment sin sthe slate s1800s sand searly s1900s, sit sis snot shard sto sunderstand why s"conflagrations" swere snot sthat suncommon. s"Conflagrations" smost snearly smeans A. Firefighter sstrikes B. Out-of-control sfires C. Fire-related smedical sdisabilities D. Firefighter sfatalities:
- sIf sfirefighter srecruits shave sany sdegree sof s"acrophobia," stheir sability sto sperform stheir sduties sat sa sfire scan ssuffer sand sput sco-workers sat srisk. s"Acropho- sbia" smost snearly smeans A. Stagefright B. Fear sof sheights C. Paranoia D. Uncertainty:
- 86.sSome sof sthe squestions son sthe slieutenant's sexam smade sCarl sfeel sa sshade sof s"ineptitude." s"Ineptitude" smost snearly smeans sA. sConfidence
