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NJ REFRIGERATION BLUE SEAL 2.pdf

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NJ REFRIGERATION BLUE SEAL

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NJ REFRIGERATION BLUE SEAL 2-C
EXAM QUESTIONS WITH CORRECT
ANSWERS GRADED A+ FOR 2025-
2026 ASSURED EXCEL!!
Namegtheg4gstepsgofgagmechanicalgrefrigerationgsystemg-
ggCORRECTgANSWERSevaporation,gexpansion,gcompression,g&gcondensation




Namegtheg4gpartsgofgagrefrigerationgsystemg-
ggCORRECTgANSWERScompressor,gcondenser,greceiver,g&gevaporator




Namegtheg3gmethodsgofgheatgtransferg-ggCORRECTgANSWERSconduction,gconvection,g&gradiation



Whatgtypegofgheatgincreasesgtemp,gbutgthegstategremainsgthegsame?g-ggCORRECTgANSWERSsensiblegheat



600,000gBTU/HRg=g____gtonsgofgrefrigeration?g-ggCORRECTgANSWERS50



Howgmanygtonsgofgrefrigerantgisgreq'dgtogpreventg2,000glbsgofgicegfromgmeltingging24ghrs?g-
ggCORRECTgANSWERS1gton




Whatgisgthegheatgofgammoniagatg5°F?g-ggCORRECTgANSWERS565gBTUs



Whatgisgthegpressuregofg5°Fgofgammonia?g-ggCORRECTgANSWERS19.6gpsig



Whatgaregexpansiongvalvesgratedgin?g-ggCORRECTgANSWERSTons



Whatgisgangindicationgyourgexpansiongvalvegisgleaking?g-ggCORRECTgANSWERSItgwouldgfrostgup

, Whatgformulagisgusedgtogdeterminegtowergwatergcycles?g-
ggCORRECTgANSWERSTowergwatergchloridesg/gmakegupgwatergchlorides




Whatgwillgcauseghighgheadgpressure?g-ggCORRECTgANSWERSAgdirtygcondenserg/gair



Howgmanyglbsgofgrefrigerantgcangbegstoredgingagcylindergwithgag125glbgcapacity?g-
ggCORRECTgANSWERS100glbs




Whatg2gvaluesgaregneededgtogcalculategthegamountgofgrefrigerationgreq'd?g-
ggCORRECTgANSWERSBTUsgtogbegremovedg&gthegtimegreq'dgtogcompressgthegrefrigerant




Whichgsealgwouldgnotgbegusedgongagcompressor?g-ggCORRECTgANSWERSMechanicalgseal



Wheregisgthegboostergcompressorgofgag2-stagegrefrigerationgsystemgisglocated?g-
ggCORRECTgANSWERSBetweengthegevaporatorg&gthegintercooler




Whichgchemistrygisgusedgtogdeterminegtowergwatergcycles?g-ggCORRECTgANSWERSchlorides



Wheregisgtheglocationgofgagsub-coolergorgpre-cooler?g-ggCORRECTgANSWERSBeforegthegexpansiongvalve



WhatgisgthegformulagforgBoyle'sgLaw?g-ggCORRECTgANSWERSP1gxgV1g=gP2gxgV2



Ingagshellgandgtubegheatgexchanger,gwheregisgthegrefrigerantglocated?g-ggCORRECTgANSWERSShellgside



Whatgmediumgdoesgtheggeneratorgreceivegingangabsorptiongsystem?g-ggCORRECTgANSWERSstronggliquor



Whatgdoesgitgmeangifgagrefrigerantgisganhydrous?g-ggCORRECTgANSWERSAbsencegofgwater



Lithiumgbromidegis:g-ggCORRECTgANSWERShighlygcorrosive

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