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EPA 609 TECHNICIAN CERTIFICATION QUESTIONS WITH CORRECT ANSWER1.
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EPA 609 TECHNICIAN CERTIFICATION QUESTIONS WITH CORRECT ANSWER1.
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EPA 609 TECHNICIAN CERTIFICATIONQUESTIONS WITH CORRECT ANSWERS
1. yyT/F yyOzone yyat yyground yylevel yyans yyat yyStratosphere yyis yya yyharmful yypollutant
yy- yyAnswer yyFALSE
2. yyFor yydetermining yythe yyOzone yyDepletion yyPotential yy__________ yyhaving yybeen
yyassigned yya yyfactor yyof yy1 yy- yyAnswer yyCFC-11
3. yyOzone yylayer yyabsorbs yyand yyscatters yy__________ yyform yythe yysun yy- yyAnswer
yyUltraviolet yylight
4. yyT/F yyR-134 yyis yya yychlorine-free yyrefrigerant yy- yyAnswer yyTRUE
5. yya yyrefillable yyrefrigerant yycylinder yymust yynot yybe yyfilled yyabove yy_________ yyof
yyits yyfull yycapacity yy- yyAnswer yy80%
6. yyT/F yyEster-based yysynthetic yyoils yycan yybe yymixed yywith yyoils yy- yyAnswer yyFALSE
7. yyAn yyaward yyof yyup yyto yy___________ yymay yybe yypaid yyto yya yyperson yysuppplying
yyinformation yythat yyleads yyto yya yypenalty yyagainst yya yytechnician yywho yyis yyintentially
yyventing yy- yyAnswer yy$10,000
8. yyMVAC yysystems yybeing yydisposed yymust yybe yyevacuated yyto yy_____________
yyof yymercury yybefore yybeing yyscrapped yy- yyAnswer yy4 yyINCHES
9. yySince yy_______________ yyit yyis yyno yylonger yylegal yyfor yyCFCs yyto yybe
yymanufactured yyor yyimported yyinto yythe yyUnited yyStates yy- yyAnswer yyJAN yy1ST,
yy1996
10. yySince yy___________________ yyit yyis yyillegal yyto yyvent yysubstitutes yyfor yyCFC
yyand yyHCFC yyrefrigerants yy- yyAnswer yyNOV yy15, yy1995
11. yyEach yychlorine yyion yyare yyable yyto yydestroy yy___________________ yyozone
yymolecules yy- yyAnswer yy100,000
12. yyLifetime yyof yyCFSs yyis yybelieved yyto yyrange yyfrom yy________ yyyears yy- yyAnswer
yy20 yyTO yy100
13. yyOzone yymolecules yyconsists yyof yy_______________ yyatoms yyof yyoxygen yy-
yyAnswer yyTHREE
, 14.Non-condensables yyin yya yyrefrigeration yysystem yyresult yyin yya
yy________________ yydischarge yypressure yy- yyAnswer yyhigher
15. yyT/F yyOzone yydepletion yyincreases yyglobal yywarming yy- yyAnswer yyTRUE
16. yyT/F yyIf yya yytechnician yyis yyalready yytrained yyand yycertified yyto yyhandle yyHFC-
134a yy- yyAnswer yyFALSE
17.The yyClean yyAir yyAct yy(CAA) yyof yy_____________ yydirects yyEPA yyto yyestablish
yyrequirements yy- yyAnswer yy1990
18. yyOver yythe yyroad yyrefrigeration yyunits yyand yyR-22 yy(HCFC) yyair yyconditioning yy-
yyAnswer yysuch yyas yythat yyfound yyin yybuses, yyalso yyrequire yySection yy____________
yycertification, yy608
19. yyMoisture yylevel yyin yyRecycled yyR-12(CFC-12) yythat yyhas yybeen yydirectly
yyremoved yyfrom yy- yyAnswer yyand yyintended yyto yybe yyreturned yyto, yya yymobile yyair-
conditioning yysystem yycannot yyexceed yy________________ yyPPM yyby yyweight, yy15
20. yyAt yyhigh yytemperature yyCFC-12 yycan yydecompose yyto yyform yy_____________ yy-
yyAnswer yyhydrochloric yyor yyhydrofluoric yyacid
21. yyT/F yyRefrigerants yyare yylight yythan yyair yy- yyAnswer yyFALSE
22. yyT/F yyEvery yyrefrigerant yycylinder yyneed yynot yybe yyprotected yyby yysome yytype yyof
yypressure yyrelief yydevice yy- yyAnswer yyFALSE
23. yyStratosphere yylayer yyconsists yyof yyabout yy____________ yyof yythe yyavailable
yyOzone: yy- yyAnswer yy90%
24.CFC yyare yyhighly yyreactive yyin yy_______________ yyof yyatmosphere yy- yyAnswer
yylower yylevels
25.HFC-134a yyis yythe yyrefrigerant yythat yyreplaced yy_____________ yyin yyautomotive
yyair yyconditioning yysystems yy- yyAnswer yyR-12
26. yyR-152 yyis yya yychemical yycompound yyof yywhich yyof yythe yyfollowing: yy- yyAnswer
yyHYDROGEN yyAND yyFLUORINE
27. yyT/F yyR-134a yya yyrefrigerant yydoes yypose yya yycancer yyor yybirth yydefect yyhazard
yy- yyAnswer yyFALSE
28. yyT/F yyMVAC yysystems yyneed yynot yybe yyevacuated yyto yya yyvacuum yybefore
yyservicing yy- yyAnswer yyFALSE
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