ASE 609 EXAM WITH COMPLETE
SOLUTIONS
The zrecovery zprocess zon zan zR-12 zor z
R-134 zA/C zsystem zshould zcontinue zuntil za zstable zvacuum zis zheld zby zthe
zsystem zfor:
(A) z1 zminute
(B) z2 zminutes z
(C) z4 zminutes z
(D) z5 zminutes z- zcorrect zanswers z-(B) z2 zminutes
A zrecycled zrefrigerant zcontainer zhas zbeen zchecked zand zfound zto zbe zabove
zthe zgiven zpressure zlimit zfor zthe zambient ztemperature.
Technician zA zsays zthat zthe zrefrigerant zcontainer zshould zbe zplaced zin za zcooler
zstorage zarea zbefore zuse.
Technician zB zsays zthat zthe zvapor zin zthe zcontainer zshould zbe zslowly zvented
zinto za zrefrigerant zhandling zunit.
Who zis zright? z
, (A) zA zonly z
(B) zB zonly z
(C) zBoth zA zand zB z
(D) zNeither zA znor zB z- zcorrect zanswers z-(B) zB zonly z
why zis zA zwrong?
The zozone zlayer zfilters zout zmost zof zthe zsun's zharmful:
(A) zInfrared zradiation.
(B) zUltraviolet zradiation.
(C) zGamma zradiation.
z(D) zAlpha zradiation. z- zcorrect zanswers z-(B) zUltraviolet zradiation.
The zreduction zof zozone zin zthe zstratosphere zcould zcause:
(A) zan zincrease zin zskin zcancer zand zeye zcataracts
(B) zan zincrease zin zplant zlife zgrowth. z
(C) zan zincrease zin zthe zearth's zpolar zice.
D) zan zincrease zin zmarine zlife zgrowth. z- zcorrect zanswers z-(A) zan zincrease zin
zskin zcancer zand zeye zcataracts
Technician zA zsays zthat zsunlight zstriking zCFC zmolecules zcan zcause zchlorine zto
zbe zreleased.
Technician zB zsays zthat zchlorine zatoms zreact zwith zozone zto zproduce zchlorine
zmonoxide.
Who zis zright?
z(A) zA zonly
z(B) zB zonly
z(C) zBoth zA zand zB
z(D) zNeither zA znor zB z- zcorrect zanswers z-(C) zBoth zA zand zB
R-134a zrefrigerant zmust zbe zrecycled zto zmeet zwhich zof zthese zpurity zstandards?
(A) zJ2788
(B) zDOT-4BA
(C) zJ1991
(D) zJ2099 z- zcorrect zanswers z-(D) zJ2099
If zthe zrequired zcharge zlevel zof zrefrigerant zfor zan zMVAC zsystem zis z40 zounces,
zwhich zof zthese zis zthe zcorrect zcharge zlevel zmeasured zin zpounds?
(A) z1.75 zlb z(794 zg)
(B) z2.50 zlb z(1.13 zkg)
(C) z3.75 zlb z(1.70 zkg)
(D) z4.50 zlb z(2.04 zkg) z- zcorrect zanswers z-(B) z2.50 zlb z(1.13 zkg)
How zmany zounces zare zin za zpound? z- zcorrect zanswers z-16 zoz
Technician zA zsays zthat zrecovery/recycling/recharging zequipment zfor zR-1234yf
zrefrigerant zrequires zintegration zwith za zrefrigerant zidentifier.
SOLUTIONS
The zrecovery zprocess zon zan zR-12 zor z
R-134 zA/C zsystem zshould zcontinue zuntil za zstable zvacuum zis zheld zby zthe
zsystem zfor:
(A) z1 zminute
(B) z2 zminutes z
(C) z4 zminutes z
(D) z5 zminutes z- zcorrect zanswers z-(B) z2 zminutes
A zrecycled zrefrigerant zcontainer zhas zbeen zchecked zand zfound zto zbe zabove
zthe zgiven zpressure zlimit zfor zthe zambient ztemperature.
Technician zA zsays zthat zthe zrefrigerant zcontainer zshould zbe zplaced zin za zcooler
zstorage zarea zbefore zuse.
Technician zB zsays zthat zthe zvapor zin zthe zcontainer zshould zbe zslowly zvented
zinto za zrefrigerant zhandling zunit.
Who zis zright? z
, (A) zA zonly z
(B) zB zonly z
(C) zBoth zA zand zB z
(D) zNeither zA znor zB z- zcorrect zanswers z-(B) zB zonly z
why zis zA zwrong?
The zozone zlayer zfilters zout zmost zof zthe zsun's zharmful:
(A) zInfrared zradiation.
(B) zUltraviolet zradiation.
(C) zGamma zradiation.
z(D) zAlpha zradiation. z- zcorrect zanswers z-(B) zUltraviolet zradiation.
The zreduction zof zozone zin zthe zstratosphere zcould zcause:
(A) zan zincrease zin zskin zcancer zand zeye zcataracts
(B) zan zincrease zin zplant zlife zgrowth. z
(C) zan zincrease zin zthe zearth's zpolar zice.
D) zan zincrease zin zmarine zlife zgrowth. z- zcorrect zanswers z-(A) zan zincrease zin
zskin zcancer zand zeye zcataracts
Technician zA zsays zthat zsunlight zstriking zCFC zmolecules zcan zcause zchlorine zto
zbe zreleased.
Technician zB zsays zthat zchlorine zatoms zreact zwith zozone zto zproduce zchlorine
zmonoxide.
Who zis zright?
z(A) zA zonly
z(B) zB zonly
z(C) zBoth zA zand zB
z(D) zNeither zA znor zB z- zcorrect zanswers z-(C) zBoth zA zand zB
R-134a zrefrigerant zmust zbe zrecycled zto zmeet zwhich zof zthese zpurity zstandards?
(A) zJ2788
(B) zDOT-4BA
(C) zJ1991
(D) zJ2099 z- zcorrect zanswers z-(D) zJ2099
If zthe zrequired zcharge zlevel zof zrefrigerant zfor zan zMVAC zsystem zis z40 zounces,
zwhich zof zthese zis zthe zcorrect zcharge zlevel zmeasured zin zpounds?
(A) z1.75 zlb z(794 zg)
(B) z2.50 zlb z(1.13 zkg)
(C) z3.75 zlb z(1.70 zkg)
(D) z4.50 zlb z(2.04 zkg) z- zcorrect zanswers z-(B) z2.50 zlb z(1.13 zkg)
How zmany zounces zare zin za zpound? z- zcorrect zanswers z-16 zoz
Technician zA zsays zthat zrecovery/recycling/recharging zequipment zfor zR-1234yf
zrefrigerant zrequires zintegration zwith za zrefrigerant zidentifier.
