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EPA 608 UNIVERSAL EXAM ACTUAL EXAM ALL 160 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+ CA$34.00   Add to cart
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EPA 608 UNIVERSAL EXAM ACTUAL EXAM ALL 160 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+

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  • Course
  • EPA 608 UNIVERSAL
  • Institution
  • EPA 608 UNIVERSAL

EPA 608 UNIVERSAL EXAM ACTUAL EXAM ALL 160 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+

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Document information

  • November 12, 2023
  • 23
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • epa 608 universal exam
  • epa 608 universal
  • epa 608
  • epa 608 universal
  • epa 608 universal exam actual exam all

Written for

  • EPA 608 UNIVERSAL
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EPA 608 UNIVERSAL EXAM 2023-2024 ACTUAL EXAM
ALL 160 QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+

A hermetic compressor must never be operated when: -
ANSWER-C) there is a dehydration vacuum in the system.


"Self-contained" recovery devices: - ANSWER-B) can capture
liquid and/or vapor refrigerant without the assistance of
components in the air- conditioning or refrigeration equipment.


Systems charged with R-410A should be leak checked with: -
ANSWER-C) pressurized nitrogen.


R-410A is not a typical blended refrigerant because: - ANSWER-
D) All of the above are true


A ternary refrigerant blend is a ____ part mixture. - ANSWER-B)
three-part


In a refrigeration system, high pressure vapor is converted to high
pressure liquid in the: - ANSWER-D) condenser


Which of the following is an approved "drop-in" service
replacement for R-12? - ANSWER-D) According to the EPA there
are no "drop-in" replacements

,EPA 608 UNIVERSAL EXAM 2023-2024 ACTUAL EXAM
ALL 160 QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+
The proper method of discarding a disposable refrigerant cylinder
is to: - ANSWER-B) assure that all refrigerant is recovered and
that the cylinder is rendered useless, then recycle the metal.


CFC refrigerants are so named because they contain the
elements: - ANSWER-A) chlorine, fluorine, carbon


Before you dispose of any system containing a refrigerant, you
must: - ANSWER-A) recover the refrigerant.


According to EPA regulations, which of the following procedures
is not an approved technique for system cleanup after a burnout?
- ANSWER-B) flushing with liquid refrigerant to clean tubing


When using nitrogen to pressurize a system, you should always: -
ANSWER-B) Charge through a pressure regulator.


What effects can ozone depletion have on the environment? -
ANSWER-D) all of the above


Non-Azeotropic refrigerants leak from a system: - ANSWER-B) in
uneven amounts due to different vapor pressures.


An example of an HCFC refrigerant is: - ANSWER-B) R-22

, EPA 608 UNIVERSAL EXAM 2023-2024 ACTUAL EXAM
ALL 160 QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+

Which chemicals are controlled by the Montreal Protocol? -
ANSWER-D) all of the above


Systems charged with R-134a should be leak checked with: -
ANSWER-D) pressurized nitrogen.


When evacuating a system, the hoses should be: - ANSWER-D)
equal to or larger than vacuum pump inlet connection.


It has been illegal to vent substitutes for CFC and HCFC
refrigerants since: - ANSWER-D) November 1995.


Never use oxygen or compressed air to pressurize a system
because: - ANSWER-A) when mixed with compressor oil or some
refrigerants, it could explode.


Refrigerant cylinders should always be: - ANSWER-D) all of the
above


Even though R-22 is considered non-toxic, it: - ANSWER-B) can
cause asphyxia.

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