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Exam (elaborations)

REFRIGERANT AND RECOVERY QUIZ QUESTIONS AND CORRECT VERIFIED ANSWERS

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REFRIGERANT AND RECOVERY QUIZ QUESTIONS AND CORRECT VERIFIED ANSWERS

Institution
MACS
Course
MACS

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REFRIGERANT AND RECOVERY QUIZ
QUESTIONS AND CORRECT VERIFIED
ANSWERS
theA2recoveryA2processA2onA2anA2R-12A2orA2R-
134aA2A/
CA2systemA2shouldA2continueA2untilA2aA2stableA2vacuumA2heldA2byA2theA2systemA2forA2-
A2Ans--2A2minutes


technicianA2aA2saysA2thatA2theA2refrigerantA2containerA2shouldA2beA2placedA2inA2aA2coolerA
2storageA2areaA2beforeA2useA2


technicianA2bA2saysA2thatA2theA2vaporA2inA2theA2containerA2shouldA2beA2slowlyA2ventedA2in
toA2aA2refrigerantA2handlingA2unitA2-A2Ans--bA2only

theA2ozoneA2layerA2filtersA2outA2mostA2ofA2theA2sunsA2harmfulA2-A2Ans--
ultravioletA2radiation

theA2reductionA2ofA2ozoneA2inA2theA2stratosphereA2couldA2causeA2-A2Ans--
anA2increaseA2inA2skinA2cancerA2andA2eyeA2cataracts

technicianA2aA2saysA2thatA2sunlightA2strikingA2CFCA2moleculesA2canA2causeA2chlorineA2toA
2beA2releasedA2


technicianA2bA2saysA2thatA2chlorineA2atomsA2reactA2withA2ozoneA2toA2produceA2chlorineA2
monoxideA2-A2Ans--bothA2aA2andA2b

RA2134aA2refrigerantA2mustA2beA2reclaimedA2toA2meetA2whichA2ofA2theseA2purityA2standard
sA2-A2Ans--j2099

ifA2theA2requiredA2chargeA2levelA2ofA2refrigerantA2forA2MVACA2systemA2isA240A2ouncesA2wh
ichA2ofA2theseA2isA2correctA2chargeA2levelA2measuredA2inA2poundsA2-A2Ans--
#numberA2ofA2ouncesA2/16A22.50

technicianA2aA2saysA2thatA2recover/recycling/rechargingA2equipmentA2forA2R-
1234yfA2refrigerantA2requiresA2integrationA2withA2aA2refrigerantA2identifier

technicianA2bA2saysA2thatA2recovery/recycling/rechargingA2equipmentA2forA2R-
1234yfA2refrigerantA2usesA2aA217mmA2O.DA2quickA2couplerA2onA2theA2lowA2sideA2serviceA2
hoseA2-A2Ans--aA2only

whichA2ofA2theseA2identifiesA2aA2cylinderA2ofA2R1234yfA2-A2Ans--whiteA2withA2redA2band
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Uploaded on
June 29, 2026
Number of pages
3
Written in
2025/2026
Type
Exam (elaborations)
Contains
Questions & answers

Subjects

  • refrigerant and recovery quiz questions and correc
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