NJ BLUE SEAL REFRIGERATION TEST WITH CORRECT ANSWERS GRADED A.pdf

NJ BLUE SEAL REFRIGERATION
TEST WITH CORRECT ANSWERS
GRADED A+ FOR 2025-2026 ASSURED
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Ondadsingledactingdreciprocatingdcompressor,dwhatdisdthedfunctiondofdaddualdcontrolddevice?d-
ddCORRECTdANSWERSItdallowsdconstantdspeeddcontroldanddautomaticdstartdanddstops




Ifdadsystemdweredusingdandautomaticdexpansiondvalve,dwhatdwoulddthedconstantdpressuredbedmaintainedd
at?d-ddCORRECTdANSWERSThedevaporator



Whatdisdthedmaindadvantagedofdadcascadedrefrigerationdsystem?d-
ddCORRECTdANSWERSCapabledofdreachingdverydlowdtemperature




Choosedthedstatementdbelow,dwhichdwoulddprovedfalsedaboutdlithiumdbromideduseddindabsorptiondsystem
.d-ddCORRECTdANSWERSItdisdnon-corrosive



Whatdisdadslingdpsychrometerddeviceduseddtodmeasure?d-ddCORRECTdANSWERSRelativedhumidity



Adsystemdusingdandevaporativedcondenserdoperatesdmostdefficientlydunderdwhatdconditions?d-
ddCORRECTdANSWERSWhendthedwet-bulbdtemperaturedofdairdisdlow




Theddischargedgasdfromdthedcompressordisdwhat,dindadwet-compressiondrefrigerationdsystem?d-
ddCORRECTdANSWERSSaturated




Ifdadrefrigerationdsystemdweredoverdchargeddwithdrefrigerant,dwhatdconditionsdwoulddoccur?d-
ddCORRECTdANSWERSDecreasedindcapacitydanddincreasedindheaddpressure




Ifdadcoolingdtowerdcirculatedd4,300dGPMdofdwater,dwhatdisdthedcoolingdcapacitydindtons?d-
ddCORRECTdANSWERS1,433dtons

,Whatdconditiondwoulddcausedadsystemdtodnotdresponddtodandexpansiondvalvedadjustment?d-
ddCORRECTdANSWERSOildindthedevaporator




Indandabsorptiondsystem,dthedgeneratordreceivesdwhatdmedium?d-ddCORRECTdANSWERSStrongdliquor



Whichdwoulddhavedthedleasedeffectdondthedcapacitydofdadwater-cooleddcondenser?d-
ddCORRECTdANSWERSThedambientdairdtemperature




Whatdisdthedvolumedoccupieddbydadrefrigerantdunderdspecifieddconditionsdofdpressuredanddtemperature?d-
ddCORRECTdANSWERSSpecificdvolume




WhatdshoulddadcoolingdtowerdwaterdpHdbedmaintaineddat?d-ddCORRECTdANSWERS8



ThedabsolutedCelsiusdscaledisdreferreddtodbydwhichdtemperaturedscale?d-ddCORRECTdANSWERSKelvin



Whichddevicesdcontroldthedhighdsidedfloat?d-ddCORRECTdANSWERSCondenserdanddreceiver



IndFahrenheit,dwhatdisdthedequivalentdofd-15ddegreesdCelsius?d-ddCORRECTdANSWERS5ddegreesdF



Ifdyoudhaddadfloodeddevaporator,dwhichdtypedofdmeteringddevicedwoulddyouduse?d-
ddCORRECTdANSWERSLowdsidedfloat




Choosedthedformuladuseddtoddeterminedthednumberdofdcyclesdofdconcentrationdfordadcoolingdtower?d-
ddCORRECTdANSWERSCyclesd=dTowerdwaterdchloridesd/dMakeupdwaterdchlorides




Whatddeterminesdthedlowdsidedpressuredindadrefrigerationdsystem?d-
ddCORRECTdANSWERSThedamountdifdloaddondthedsystem




Whichdsealdisdnotduseddondadrefrigerationdsystem?d-ddCORRECTdANSWERSMechanical

, Whichdwaterdchemistrydtestdisduseddtoddeterminedcoolingdtowerdcyclesdofdconcentration?d-
ddCORRECTdANSWERSChlorides




Whydisdadrheostatduseddondadsynchronousdmotor?d-
ddCORRECTdANSWERSTodvarydthedpowerdfactordtodthedloaddconditions




Whatdwoulddhappendifdyoudhaddadsuddenddropdindthedtemperaturedindthedcoolingdtowerdofdadlithiumdbrom
idedabsorptiondsystem?d-ddCORRECTdANSWERSCrystallizationdindthedsystem



Whatdisdthedfunctiondofdadheatdexchangerdindandabsorptiondsystem?d-
ddCORRECTdANSWERSAllowsdthedweakdliquordtodheatdthedstrongdliquor




Definedthedtermd"refrigerantdreclaiming"d-
ddCORRECTdANSWERSSellingdreprocesseddrefrigerantdasd"reclaimeddrefrigerant"d;dReprocessingdthedrefrige

rantdintodadnewdproductdthatdcandbedreusedd;dChemicallydanalyzingdandddistillingdthedrefrigerantd;dAlldofdth
edabove



Whichdphrasedbestddescribesdthedtermd"freedair"?d-ddCORRECTdANSWERSAirdatdatmosphericdconditions



Howdisdthedsettingdondadthermostaticdexpansiondvalvedrated?d-ddCORRECTdANSWERSDegreesdofdsuperheat



Whichdstatementddescribesdthedoperationdofdadsingledactingdcompressor?d-
ddCORRECTdANSWERSThedrefrigerationdgasdisdcompresseddondonlydonedsidedofdthedpiston




Whichdofdthedfollowingdwoulddcausedadnoisydcompressor?d-
ddCORRECTdANSWERSLackdofdoild;dDryddamageddseald;dLooseddrivedcouplingd;dAlldofdthedabove




Whendthedevaporatordloaddincreases,dwhatdhappensdtodthedsuctiondpressuredofdthedsystem?d-
ddCORRECTdANSWERSFlowdremainsdconstantdwithdadcorrespondingdpressuredincrease




Thermostaticdexpansiondvalvesdaredrateddindwhatdunitsdofdmeasurement?d-
ddCORRECTdANSWERSTonsdofdrefrigeration