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EPA 609 EXAM FINAL REVIEW WITH CORRECT ANSWERS
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EPA 609 EXAM FINAL REVIEWWITH CORRECT ANSWERS
Lifetime of CFCs is believed to range from _____ years? - correct answer-2 to 100
For determining the Ozone Depletion Potential ________ having been assigned a factor
of 1? - correct answer-CFC-11
Ester-based synthetic oils can be mixed with other oils? - correct answer-False
Since ________, it is no longer legal for CFCs to be manufactured or imported into the
United States? - correct answer-January 1, 1996
Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants? - correct
answer-November 15, 1995
Ozone at ground level ans at Stratosphere is a harmful pollutant? - correct answer-
False
A refillable refrigerant cylinder must not be filled above ______ of its full capacity? -
correct answer-80%
Each chlorine ion can able to destroy ______ ozone mole? - correct answer-100,000
R-134a is a chlorine-free refrigerant? - correct answer-True
MVAC systems being disposed must be evacuated to _____ of mercury before being
scrapped? - correct answer-4 inches
Ozone layer absorbs and scatters ________ from the sun? - correct answer-Ultraviolet
light
An award of up to ______ may be paid to a person supplying information that leads to a
penalty against a technician who is intentionally venting? - correct answer-10,000
Every refrigerant cylinder need not be protected by some type of pressure relief device?
- correct answer-False
Ozone molecule consists of ______ atoms of oxygen? - correct answer-Three
CFCs are highly reactive in _____ of atmosphere? - correct answer-Lower level
, Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found
in buses, also requires Section ______ certification? - correct answer-608
Stratosphere layer consists of about _____ of the available Ozone? - correct answer-
90%
k
Moisture klevel kin kRecycled kR-12 k(CFC-12) kthat khas kbeen kdirectly kremoved kfrom, kand
kintended kto kbe kreturned kto, ka kmobile kair-conditioning ksystem kcannot kexceed
k_______ kPPM kby kweight? k- kcorrect kanswer-15
Ozone kdepletion kIncrease kglobal kwarming? k- kcorrect kanswer-True
Non-condensables kin ka krefrigeration ksystem kresult kin ka k_______ kdischarge
kpressure? k- kcorrect kanswer-Higher
At khigh ktemperaturesCFC-12 kcan kdecompose kto kform k_______? k- kcorrect kanswer-
Both koptions kare kcorrect: khydrofluoric kacid kand khydrochloric kacid
If ka ktechnician kis kalready ktrained kand kcertified kto khandle kCFC-12, khe khas kto kbe kre-
certified kto khandle kHFC-134a? k- kcorrect kanswer-False
The kClean kAir kAct k(CAA) kof k______ kdirects kEPA kto kestablish krequirements kto
kprevent kthe krelease kof kozone kdepleting ksubstances? k- kcorrect kanswer-1990
Refrigerants kare klighter kthan kthe kair? k- kcorrect kanswer-False
External kRecovery kTanks kmust kbe kevacuated kto k______ kof kmercury kbefore kbeing
kput kinto kservice? k- kcorrect kanswer-27 kinches
Disposable kRefrigerant kTanks, kunder k_______ kmust kbe kevacuated kbefore kbeing
kscrapped? k- kcorrect kanswer-20 kpounds
______ kof kstratospheric kchlorine kcomes kfrom kozone-depleting ksubstances? k- kcorrect
kanswer-82%
Which kof kthe kfollowing krefrigerants khas khigh kozone-depletion kpotential? k- kcorrect
kanswer-CFCs
Supplies kof kCFC krefrigerant kfor kequipment kservicing kcan kONLY kcome kfrom kwhich kof
kthe kfollowing? k- kcorrect kanswer-All kof kthe kabove krecovery, krecycle, kreclaimation
Which kof kthe kfollowing khas kthe kOzone kDepletion kPotential k(ODP) kvalue kof k1? k-
kcorrect kanswer-CFC-11
CFCs kmanufacture kwas kdiscontinued kas kof k_______? k- kcorrect kanswer-January k1,
k1996
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