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EPA 609 TECHNICIAN CERTIFICATION QUESTIONS WITH CORRECT ANSWERS.
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EPA 609 TECHNICIAN CERTIFICATION QUESTIONS WITH CORRECT ANSWERS.
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EPA 609 TECHNICIAN CERTIFICATIONQUESTIONS WITH CORRECT ANSWERS
1. rrT/F rrOzone rrat rrground rrlevel rrans rrat rrStratosphere rris rra rrharmful rrpollutant rr-
rrAnswer rrFALSE
2. rrFor rrdetermining rrthe rrOzone rrDepletion rrPotential rr__________ rrhaving rrbeen
rrassigned rra rrfactor rrof rr1 rr- rrAnswer rrCFC-11
3. rrOzone rrlayer rrabsorbs rrand rrscatters rr__________ rrform rrthe rrsun rr- rrAnswer
rrUltraviolet rrlight
4. rrT/F rrR-134 rris rra rrchlorine-free rrrefrigerant rr- rrAnswer rrTRUE
5. rra rrrefillable rrrefrigerant rrcylinder rrmust rrnot rrbe rrfilled rrabove rr_________ rrof rrits rrfull
rrcapacity rr- rrAnswer rr80%
6. rrT/F rrEster-based rrsynthetic rroils rrcan rrbe rrmixed rrwith rroils rr- rrAnswer rrFALSE
7. rrAn rraward rrof rrup rrto rr___________ rrmay rrbe rrpaid rrto rra rrperson rrsuppplying
rrinformation rrthat rrleads rrto rra rrpenalty rragainst rra rrtechnician rrwho rris rrintentially
rrventing rr- rrAnswer rr$10,000
8. rrMVAC rrsystems rrbeing rrdisposed rrmust rrbe rrevacuated rrto rr_____________ rrof
rrmercury rrbefore rrbeing rrscrapped rr- rrAnswer rr4 rrINCHES
9. rrSince rr_______________ rrit rris rrno rrlonger rrlegal rrfor rrCFCs rrto rrbe rrmanufactured
rror rrimported rrinto rrthe rrUnited rrStates rr- rrAnswer rrJAN rr1ST, rr1996
10. rrSince rr___________________ rrit rris rrillegal rrto rrvent rrsubstitutes rrfor rrCFC rrand
rrHCFC rrrefrigerants rr- rrAnswer rrNOV rr15, rr1995
11. rrEach rrchlorine rrion rrare rrable rrto rrdestroy rr___________________ rrozone
rrmolecules rr- rrAnswer rr100,000
12. rrLifetime rrof rrCFSs rris rrbelieved rrto rrrange rrfrom rr________ rryears rr- rrAnswer rr20
rrTO rr100
13. rrOzone rrmolecules rrconsists rrof rr_______________ rratoms rrof rroxygen rr- rrAnswer
rrTHREE
, 14.Non-condensables rrin rra rrrefrigeration rrsystem rrresult rrin rra rr________________
rrdischarge rrpressure rr- rrAnswer rrhigher
15. rrT/F rrOzone rrdepletion rrincreases rrglobal rrwarming rr- rrAnswer rrTRUE
16. rrT/F rrIf rra rrtechnician rris rralready rrtrained rrand rrcertified rrto rrhandle rrHFC-134a rr-
rrAnswer rrFALSE
17.The rrClean rrAir rrAct rr(CAA) rrof rr_____________ rrdirects rrEPA rrto rrestablish
rrrequirements rr- rrAnswer rr1990
18. rrOver rrthe rrroad rrrefrigeration rrunits rrand rrR-22 rr(HCFC) rrair rrconditioning rr-
rrAnswer rrsuch rras rrthat rrfound rrin rrbuses, rralso rrrequire rrSection rr____________
rrcertification, rr608
19. rrMoisture rrlevel rrin rrRecycled rrR-12(CFC-12) rrthat rrhas rrbeen rrdirectly rrremoved
rrfrom rr- rrAnswer rrand rrintended rrto rrbe rrreturned rrto, rra rrmobile rrair-conditioning
rrsystem rrcannot rrexceed rr________________ rrPPM rrby rrweight, rr15
20. rrAt rrhigh rrtemperature rrCFC-12 rrcan rrdecompose rrto rrform rr_____________ rr-
rrAnswer rrhydrochloric rror rrhydrofluoric rracid
21. rrT/F rrRefrigerants rrare rrlight rrthan rrair rr- rrAnswer rrFALSE
22. rrT/F rrEvery rrrefrigerant rrcylinder rrneed rrnot rrbe rrprotected rrby rrsome rrtype rrof
rrpressure rrrelief rrdevice rr- rrAnswer rrFALSE
23. rrStratosphere rrlayer rrconsists rrof rrabout rr____________ rrof rrthe rravailable rrOzone:
rr- rrAnswer rr90%
24.CFC rrare rrhighly rrreactive rrin rr_______________ rrof rratmosphere rr- rrAnswer rrlower
rrlevels
25.HFC-134a rris rrthe rrrefrigerant rrthat rrreplaced rr_____________ rrin rrautomotive rrair
rrconditioning rrsystems rr- rrAnswer rrR-12
26. rrR-152 rris rra rrchemical rrcompound rrof rrwhich rrof rrthe rrfollowing: rr- rrAnswer
rrHYDROGEN rrAND rrFLUORINE
27. rrT/F rrR-134a rra rrrefrigerant rrdoes rrpose rra rrcancer rror rrbirth rrdefect rrhazard rr-
rrAnswer rrFALSE
28. rrT/F rrMVAC rrsystems rrneed rrnot rrbe rrevacuated rrto rra rrvacuum rrbefore rrservicing rr-
rrAnswer rrFALSE
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