EPA 609 TECHNICIAN CERTIFICATION QUESTIONS AND CORRECT VERIFIED ANSWERS

EPA 609 TECHNICIAN CERTIFICATION
QUESTIONS AND CORRECT VERIFIED
ANSWERS
1.A2T/FA2OzoneA2atA2groundA2levelA2ansA2atA2StratosphereA2isA2aA2harmfulA2pollutantA2-
A2Ans--FALSE


2.A2ForA2determiningA2theA2OzoneA2DepletionA2PotentialA2__________A2havingA2beenA2as
signedA2aA2factorA2ofA21A2-A2Ans--CFC-11

3.A2OzoneA2layerA2absorbsA2andA2scattersA2__________A2formA2theA2sunA2-A2Ans--
UltravioletA2light

4.A2T/FA2R-134A2isA2aA2chlorine-freeA2refrigerantA2-A2Ans--TRUE

5.A2aA2refillableA2refrigerantA2cylinderA2mustA2notA2beA2filledA2aboveA2_________A2ofA2itsA2f
ullA2capacityA2-A2Ans--80%

6.A2T/FA2Ester-basedA2syntheticA2oilsA2canA2beA2mixedA2withA2oilsA2-A2Ans--FALSE

7.A2AnA2awardA2ofA2upA2toA2___________A2mayA2beA2paidA2toA2aA2personA2suppplyingA2inf
ormationA2thatA2leadsA2toA2aA2penaltyA2againstA2aA2technicianA2whoA2isA2intentiallyA2ventin
gA2-A2Ans--$10,000

8.A2MVACA2systemsA2beingA2disposedA2mustA2beA2evacuatedA2toA2_____________A2ofA2
mercuryA2beforeA2beingA2scrappedA2-A2Ans--4A2INCHES

9.A2SinceA2_______________A2itA2isA2noA2longerA2legalA2forA2CFCsA2toA2beA2manufacture
dA2orA2importedA2intoA2theA2UnitedA2StatesA2-A2Ans--JANA21ST,A21996

10.A2SinceA2___________________A2itA2isA2illegalA2toA2ventA2substitutesA2forA2CFCA2andA
2HCFCA2refrigerantsA2-A2Ans--NOVA215,A21995


11.A2EachA2chlorineA2ionA2areA2ableA2toA2destroyA2___________________A2ozoneA2mole
culesA2-A2Ans--100,000

12.A2LifetimeA2ofA2CFSsA2isA2believedA2toA2rangeA2fromA2________A2yearsA2-A2Ans--
20A2TOA2100

13.A2OzoneA2moleculesA2consistsA2ofA2_______________A2atomsA2ofA2oxygenA2-A2Ans--
THREE

, 14.Non-
condensablesA2inA2aA2refrigerationA2systemA2resultA2inA2aA2________________A2discharg
eA2pressureA2-A2Ans--higher

15.A2T/FA2OzoneA2depletionA2increasesA2globalA2warmingA2-A2Ans--TRUE

16.A2T/FA2IfA2aA2technicianA2isA2alreadyA2trainedA2andA2certifiedA2toA2handleA2HFC-134aA2-
A2Ans--FALSE


17.TheA2CleanA2AirA2ActA2(CAA)A2ofA2_____________A2directsA2EPAA2toA2establishA2requi
rementsA2-A2Ans--1990

18.A2OverA2theA2roadA2refrigerationA2unitsA2andA2R-22A2(HCFC)A2airA2conditioningA2-
A2Ans--
suchA2asA2thatA2foundA2inA2buses,A2alsoA2requireA2SectionA2____________A2certification,A
2608


19.A2MoistureA2levelA2inA2RecycledA2R-12(CFC-
12)A2thatA2hasA2beenA2directlyA2removedA2fromA2-A2Ans--
andA2intendedA2toA2beA2returnedA2to,A2aA2mobileA2air-
conditioningA2systemA2cannotA2exceedA2________________A2PPMA2byA2weight,A215

20.A2AtA2highA2temperatureA2CFC-12A2canA2decomposeA2toA2formA2_____________A2-
A2Ans--hydrochloricA2orA2hydrofluoricA2acid


21.A2T/FA2RefrigerantsA2areA2lightA2thanA2airA2-A2Ans--FALSE

22.A2T/
FA2EveryA2refrigerantA2cylinderA2needA2notA2beA2protectedA2byA2someA2typeA2ofA2pressure
A2reliefA2deviceA2-A2Ans--FALSE


23.A2StratosphereA2layerA2consistsA2ofA2aboutA2____________A2ofA2theA2availableA2Ozon
e:A2-A2Ans--90%

24.CFCA2areA2highlyA2reactiveA2inA2_______________A2ofA2atmosphereA2-A2Ans--
lowerA2levels

25.HFC-
134aA2isA2theA2refrigerantA2thatA2replacedA2_____________A2inA2automotiveA2airA2conditio
ningA2systemsA2-A2Ans--R-12

26.A2R-152A2isA2aA2chemicalA2compoundA2ofA2whichA2ofA2theA2following:A2-A2Ans--
HYDROGENA2ANDA2FLUORINE

27.A2T/FA2R-134aA2aA2refrigerantA2doesA2poseA2aA2cancerA2orA2birthA2defectA2hazardA2-
A2Ans--FALSE