S12 Certificate of Fitness Sprinkler Exam Questions and Answers

S12 Certificate of Fitness Sprinkler Exam
Questions and Answers


-vExhaustvsystemv-vcheckvforvanyvleakage,vthevdrainvcondensatevtrapvweekly;v-vCORRECTvANSWER-

-vThevvalvevenclosurevheatingvequipmentvsubjectvtovfreezingvconditionsvshallvbevinspectedv----
vduringvcoldvweathervforvitsvabilityvtovmaintainvavminimumvtemperaturevofvatvleastv4°Cv(40°F);v-

vCORRECTvANSWER-daily




-vValvesvenclosuresvequippedvwithvlowvtemperaturevalarmsvshallvbevinspectedv----
duringvcoldvweather.v-vCORRECTvANSWER-weekly

----vcanvbevusedvtovboostvwatervpressurevandvvolumevforvwatervbased
firevprotectionvsystems.v-vCORRECTvANSWER-Firevpumps

----
visvAvconditionvinvwhichvthevapplicationvofvthevcomponentvisvnotvwithinvitsvdesignedvlimitsvorvspecific

ationsv-vCORRECTvANSWER-Deficiancy

----
visvAvdeficiencyvthat,vifvnotvcorrected,vcanvhavevanveffectvonvthevperformancevofvthevfirevprotectionvsy

stem.v-vCORRECTvANSWER-CRITICALvDEFICIENCY

----
visvAvsprinklervfabricatedvwithvcorrosionvresistantvmaterials,vorvspecialvcoatingsvtovbevusedvinvanvatm

ospherevthatvwouldvcorrodevstandardvsprinklers.v-vCORRECTvANSWER-CORROSION-
RESISTANTvSPRINKLER

----
visvAvsprinklervsystemvemployingvopenvsprinklersvthatvarevattachedvtovavpipingvsystemvthatvisvconnec

tedvtovavwatervsupplyvthroughvavvalvevthatvisvopenedvbyvthevoperationvofvavdetectionvsystemvinstalled
vinvthevsamevareasvasvthevsprinklers.vWhenvthisvvalvevopens,vwatervflowsvintovthevpipingvsystemvandv

dischargesvfromvallvsprinklersvattached.v-vCORRECTvANSWER-DELUGEvSPRINKLERvSYSTEM

----
visvAnvapprovedvsystemvofvdevicesvandvequipmentvwhichvdetectsvavfirevandvdischargesvanvapprovedvf

irevextinguishingvagentvontovorvinvthevareavofvavfire.vSuchvtermvincludesvautomaticvsystemsvand,vwhe
revsuchvsystemsvarevauthorizedvbyvthisvcodevorvthevBuildingvCode,vmanuallyvactivatedvsystems.v-
vCORRECTvANSWER-FIREvEXTINGUISHINGvSYSTEM

,----
vshallvnotvbevusedvtovfastenvthevsystemvorvbuildingvattachmentsvtovthevstructure.vHangersvusedvwithv

----vpipingvmustvbevlistedvforvusevwithvthevpipingvmaterial.v-vCORRECTvANSWER-plastic

----vshouldvnotvbevallowedvtovbuild-
upvonvthevgravityvtank.vThevextravweightvofvitvmightvweakenvthevsupportsvofvthevtankvandvcausevthevta
nkvtovcollapsev-vCORRECTvANSWER-ice

----
vsupervisionvdevicesvmonitorvthevwatervtemperaturevandvthevwatervlevelvinvthevgravityvtank.Thesevde

vicesvsendvsignalsvtovanvapprovedvcentralvstationvcompanyvaboutvthevwatervlevelvandvwatervtempera
ture.v-vCORRECTvANSWER-Electrical

----vsystemsvmustvbevinstalledvtovputvoutvfiresvthatvstartvinvthevcompactorvchute.v-
vCORRECTvANSWER-Sprinkler




-----vandv-----
Impairmentvcoordinators/buildingvownersvshallvensurevthevplacementvofvthesevtagsvbyvMFSPC'svorv
MPv(asvrestricted).v-vCORRECTvANSWER-Impairmentvcoordinators/buildingvowners

-----
vsprinklervheadvpervsystemvtowardvthevendvofvonevbranchvlinevshallvalsovbevremoved.vThisvisvdonevforv

investigatingvforvthevpresencevofvforeignvorganicvorvinorganicvmaterial.v-vCORRECTvANSWER-1

------
visvAvsprinklervsystemvemployingvautomaticvsprinklersvthatvarevattachedvtovavpipingvsystemvcontaini

ngvairvorvnitrogenvundervpressure.vThevreleasevofvthevairvorvnitrogen,(asvfromvthevopeningvofvavsprinkl
er)vresultsvinvthevwatervpressurevopeningvavvalvevknownvasvavdryvpipevvalve,vresultingvinvthevflowvofvw
atervintovthevpipingvsystemvandvoutvofvthevfusedvsprinklersvheads.v-vCORRECTvANSWER-
DRYvPIPEvSPRINKLERvSYSTEM

----
Avpumpvthatvisvavprovidervofvliquidvflowvandvpressurevdedicatedvtovfirevprotection.vAvfirevpumpvisvavpa
rtvofvavfirevsprinklervsystem'svwatervsupplyvandvcanvbevpoweredvbyvelectric,vdieselvorvsteam.vThevpum
pvintakevisveithervconnectedvtovthevpublicvundergroundvwatervsupplyvpipingvorvavstaticvwatervsourcev(
e.g.,vtank,vreservoir,vlake).vThevpumpvprovidesvwatervflowvatvhighervpressurevtovthevsprinklervsystemv
risersvandvhosevstandpipes.v-vCORRECTvANSWER-FIREvPUMP

----arevdesignedvtovcontrolvavfirevuntilvitsvoriginalvfuelvsourcevisvdepletedvorvuntilvfire-
fightingvactivitiesvcanvcommence.vAvfirevisvcontrolledvbyvcoolingvthevceiling-
levelvairvtemperatures,vreducingvthevfire'svratevofvheatvreleasevandvpre-
wettingvadjacentvcombustibles.v-vCORRECTvANSWER-
CONTROLvMODEvSPECIFICvAPPLICATIONvSPRINKLERSv(CMSA)

,----
arevlikelyvtovmakevautomaticvsprinklersvinoperativevorvslowvdownvthevspeedvofvoperation.vTheyvcanva
lsovseriouslyvblockvthevsprayvnozzlesvinvthevsprinklervheads.vTheyvcanvdamage,vweakenvorvdestroyvth
evdelicatevpartsvofvthevsprinklervheads.v-vCORRECTvANSWER-corosivevvapors

----isvavconditionvwhereva
suddenvincreasevinvpressurevmayvcausevthevvalvevto
trip.v-vCORRECTvANSWER-WatervHammer

----
isvAvdeficiencyvthatvdoesvnotvhavevanveffectvonvthevperformancevofvthevfirevprotectionvsystem,vbutvco
rrectionvisvneededvforvthevpropervinspection,vtesting,vandvmaintenancevofvthevsystem(s)v-
vCORRECTvANSWER-NONvCRITICALvDEFICIENCY




----isvanvindicatingvtypevofvcontrolvvalvevusedvforvfirevsprinklervsystem.v-vCORRECTvANSWER-
OSv&vYvvalv

----
loadedvsprinklervheadsvwithvnewvsprinklervheadsvrathervthanvattemptingvtovcleanvthem.vIfvthevdeposi
tsvarevhard,vattemptsvtovcleanvthevheadsvarevlikelyvtovdamagevthem.vThisvdamagevmayvpreventvthevsp
rinklervheadsvfromvworkingvproperly.vThevdamagevmayvalsovcausevthevsprinklervheadvtovleak.v-
vCORRECTvANSWER-Replace




----pumpsvsupplyvthevwatervtovmostvgravityvtanksv-vCORRECTvANSWER-Automaticvfill

----
Switchesvhavevavpaddlevinsertedvinsidevthevmainvsupplyvpipingvperpendicularvtovthevdirectionvofvflo
w.vUponvwaterflow,vthevpaddlevswitchvtransmitsvanvalarm.v-vCORRECTvANSWER-
Vanevtypevwaterflowv-

----systemsvarevdesignedvforvsituationsvwherevtherevisvdangervofvseriousvwater
damage.v-vCORRECTvANSWER-Preaction

---,---,---vandvothervdebrisvmayvcausevdamagevtovthevpumpvorvobstructvthevsprinklervsystemvpipingv-
vCORRECTvANSWER-mud,vgravelvandvleaves




.vSprinklervsystemvsupervisionvisvcommonlyvprovidedvforvseveralvpurposes.vTheyvarevusedvtov-
vCORRECTvANSWER-

1)vwatervsupplyvcontrolvvalves,v2)vlowvwatervlevelvinvwatervsupplyvtanks,v3)vlowvtemperaturevinvwaterv
supplyvtanksvorvgroundvlevelvreservoirs,v4)vhighvorvlowvwatervlevelvinvpressurevtanks,v5)vhighvorvlowvair
vpressurevinvpressurevtanks,v6)vhighvorvlowvairvpressurevinvdryvpipevorvpre-

actionvsprinklervsystems,v7)vfailurevofvelectricvpowervsupplyvorvphasevreversalvtovfirevpumpsvand,v8)v
automaticvoperationvofvelectricvfirevpumps.

, .vThevsprinklervsystemvcannotvbevsuppliedvifvtherevisvnotvenoughv-vCORRECTvANSWER-
watervinvthevtank

.Avpressurevtankvisvusuallyvhousedvinvanv----vstucturev-vCORRECTvANSWER-enclosed

(centrifug)Av----
vtankvcanvbevusedvifvthevtankvsuppliesvthevpumpvduevtovgravity.vsupplyvsource.vAvwatervtankvcanvbevu

sedvifvthevtankvsuppliesvthevpumpvduevtovgravity.vInvothervwordsvthevweightvofvthevwatervforcesvthevw
atervtovflowvintovthevpumpv-vCORRECTvANSWER-water

(dryvpiping)Invmostvcasesvthe
airvpressurevinvthevpipingvisvcontrolledv-vCORRECTvANSWER-
automaticallyvbyvanvairvmaintenancevdevice

(FDC)v.v-vCORRECTvANSWER-

(FDC)Avworkingvspacevofvnotvlessvthan
----vinchesvinvwidth,v----vinchesvinvdepthvandv----vinchesvinvheightvshallvbevprovidedvand
maintainedvinvfrontvofvandvaroundvwall-mountedvandvfree-standingvfirevdepartment
connections,vexceptvasvotherwisevrequiredvorvapproved.v-vCORRECTvANSWER-36/26/78

(gravity)vDuringvfreezingvweather,vthevtemperaturev
ofvthevwatervinsidevthevtankvandvthevriservmustvbevcheckedv(howvoften)v-vCORRECTvANSWER-
dailyvorvweekly

(gravity)vThevpumpsvfillvthevtankvatvavratevofv----
vgpmv(gallonsvpervminute)vorvmore.vThevfloatsvturnvonvthev----

vpumpvwhenvthevwatervinvthevtankvisvtoovlow.v-vCORRECTvANSWER-65/fill




(howvman)devicesvarevusedvtovreducevthevtimevneededvtovopenvthevclappervandvallowvwatervinto
thevsystem.v-vCORRECTvANSWER-2

(PIV)vThevbuildingvorvsectionvofvthevbuildingvcontrolledvby
thevvalvevisvusuallyvmarkedvonvthev-vCORRECTvANSWER-post

(preaction)Watervdamagevisvusuallyvcausedvby----vorv----
.vUndernormalvconditionsvtherevisvnovwatervinvthevpiping.vThevairvinvthevpipingvmayvorvmayvnotvbe
undervpressure.v-vCORRECTvANSWER-damagedvsprinklers/brokenvpiping.

(pressvtankvalarm)vThevalarmvsystemvautomaticallyvmonitorsvthevair-to-
watervvolumevratiovwhichvshouldvalwaysvbev1v(---)vtov2v(----).v-vCORRECTvANSWER-air/water

(pressurevtank)vsome