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EPA 608 TEST FINAL EXAM AND PRACTICE QUESTIONS EXAM NEWEST ACTUAL EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+ $22.99
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EPA 608 TEST FINAL EXAM AND PRACTICE QUESTIONS EXAM NEWEST ACTUAL EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+

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EPA 608 TEST FINAL EXAM AND PRACTICE QUESTIONS EXAM NEWEST ACTUAL EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+

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  • December 6, 2024
  • 42
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • EPA 608
  • EPA 608

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By: jugonzalez11 • 1 month ago

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EPA 608 TEST FINAL EXAM AND PRACTICE
QUESTIONS EXAM NEWEST ACTUAL EXAM
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+
What characteristic or characteristics of CFCs make them more likely than other
chlorine compounds to reach the stratosphere? - (answers)Don’t dissolve in water



Each chlorine atom in the stratosphere can destroy how many ozone molecules? -
(answers)100,000 ozone molecules



Which refrigerant contains a CFC?

R500, R12, R113 or R11? - (answers)Theyre all CFC's



HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? -
(answers)Hydrogen, chlorine, flourine and carbon



Which refrigerant is a chlorine free refrigerant? - (answers)HFC R 134A



What is the result damage to the ozone layer? - (answers)Increases in human skin
cancer



According to the EPA, chlorine in the stratosphere is believed to come primarily
from the CFCs rather than from volcanoes because - (answers)-) The rise in the
amount of chlorine measured in the stratosphere over the past 2 decades matches
the rise of chlorine which has different natural sources of chlorune overthe same
period

, 2


-) The rise of chlorine in the statosphere matches the rise in CFCs over the same
period

-) samples of air taken over erupting volcanoes shows that volcanoes contribute a
small amount of chlorine in the stratosphere compared to CFCs

-) ALL OF THE ABOVE



Which is a violation of the EPA clean air act? - (answers)-) falsifying or failing to
keep required records

-) failing to keep evacuation levels before opening or disposing of appliances

-) knowingly releasing HFC's, HCFCs or CFC refrigerants

-) ALL OF THE ABOVE



Discarding of disposable cylinders is accomplished by - (answers)Assuring that all
refrigerant is recovered and that the cylinders are rendered useless then recycle the
metal



How much money can be awarded to a person who supplies information leading to
a conviction against the technician who is intentionally venting refrigerants or
violatingsome other provision of the EPA CLEAN AIR ACT - (answers)$10,000



CFC's will no longer be manufactured or imported into the U.S. after what year? -
(answers)1995



Since July 1, 1992 it has been illegal to: - (answers)Knowingly releasing HCF or
HCFC refrigerants in the U.S.

, 3


Which compounds are controlled by the Montreal protocol? - (answers)-) chloric
floric carbons

-) hydro chloric carbons

-) halons

-) all of the above



EPA regulations cover all AC and refrigeration equipment when containing what?
- (answers)Any refrigerant or refrigerant substitute



The syntetic substitute currently usedwith blends containing HCFCs is: -
(answers)Alcobenzine



What is the significance of atheotropic mixture: - (answers)The mixture combines
to act as a single compound refrigerant



Cooling occurs in a vapor compression refrigeration system when: -
(answers)Refrigerant liquid boils into a vapor



Ozone depletion in the stratosphere is what type of problem: - (answers)Its a
GLOBAL problem



The definition of recover is: - (answers)To remove refrigerant in any condition
from a system and store it an external container without neccesarily testing it

, 4


Which of the following leak detection methods is considered by the EPA to be the
effective for locating the general area of small leaks? - (answers)Electronic
ultrasonic testers



Recovery during low ambient temperatures will: - (answers)Slow the recovery
process



During dehydration of a refrigeration system the refrigeration system is heated to: -
(answers)Decrease dehydration time



To determine the safe pressure for leak testing one should use: - (answers)Low
side test data plate value



Care should be used to avoid over filling refrigerant storage cylinders because: -
(answers)The internal pressure of the cylinders may rise and cause an explosion



When transporting cylinders containing used refrigerants DOT REQUIRES that
you: - (answers)attach DOT classification tags



What is the significance of an azeotropic mixture? - (answers)The mixture
combines to act like a single component refrigerant



CF Cs are more likely to reach the stratosphere than other chlorine-containing
compounds because___________. - (answers)They are chemically very stable

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