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EPA Section 608 Core Exam for 2023/2024 COMPLETE SOLUTION 100% VERIFIED ANSWERS A+ GRADED Free $17.99   Add to cart

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EPA Section 608 Core Exam for 2023/2024 COMPLETE SOLUTION 100% VERIFIED ANSWERS A+ GRADED Free

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EPA Section 608 Core Exam for 2023/2024 COMPLETE SOLUTION 100% VERIFIED ANSWERS A+ GRADED Free

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  • August 19, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
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EPA Section 608 Core Exam for 2023/2024 COMPLETE
SOLUTION 100% VERIFIED ANSWERS A+ GRADED Free



Chlorofluorocarbons (CFCs), Hydrochlorofluorocarbons (HCFCs),
and Hydrofluorocarbons (HFCs) have what in common. -
✔✔ANSW✔✔..They must be recovered before opening or
disposing of appliances.

For an appliance that uses a CFC, HCFC, or HFC refrigerant,
which of the following violates the prohibition on venting? -
✔✔ANSW✔✔..Refrigerants emitted when cutting a line without
properly evacuating the appliance

HFC refrigerants contain what elements -
✔✔ANSW✔✔..Hydrogen, Fluorine, and Carbon

How do refrigerant blends leak from a system? -
✔✔ANSW✔✔..At uneven rates die to different vapor pressures.

How do the global warming potentials of isobutane (R-600a),
propane (R-290), and R-441 compare to the GWPs of HFC 134a,
R404a, and R-410A? - ✔✔ANSW✔✔..They are significantly lower

How does the global warming potential of R-410A compare to that
of carbon dioxide - ✔✔ANSW✔✔..It is thousands of times greater

How should disposable cylinders of CFCs, HCFCs, and HFCs be
discarded? - ✔✔ANSW✔✔..Remove all remaining refrigerant,
render the cylinder useless, and recycle the metal

, How should refrigerant blends be charged? - ✔✔ANSW✔✔..As a
liquid

In addition to fines and being required to appear in court, what
penalty can be imposed on service technicians who violate Clean
Air Act provisions? - ✔✔ANSW✔✔..They may lose their
certification

Refrigerant cylinders should be all of the following EXCEPT: -
✔✔ANSW✔✔..a. be free of rust and damage
b. filled to 95% of capacity
c. be labeled
d. be secure


** b. filled to 95% of capacity

Under EPA regulations, what standard must reclaimed refrigerant
meet before it can be resold? - ✔✔ANSW✔✔..AHRI 700

What are the characteristics of hyrofluoroolefins (HFOs)? -
✔✔ANSW✔✔..Non-ozone depleting, and have a low global
warming potential

What does a Section 608 certification allow a technician to do? -
✔✔ANSW✔✔..Purchase or handle controlled refrigerants

What does ozone in the stratosphere above the earth consist of? -
✔✔ANSW✔✔..Molecules containing 3 oxygen atoms

What evidence demonstrates that chlorine in the stratosphere is
primarily from man-made chemicals rather than from natural
sources such as volcanos? - ✔✔ANSW✔✔..a. The rise in the

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