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Exam 4: Refrigerant Management

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Question 1

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The best mineral oils for use in refrigeration and air conditioning systems are __________.

A) aromatics
B) naphthenics
C) paraffinics
D) systematics

E) A) and C)
F) B) and D)

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B

Question 2

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What does the acronym ODP stand for when referring to the environment?

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ozone depl...

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Question 3

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List two commonly used HCFC refrigerants.

What does the acronym GWP stand for when referring to the environment?

What is another name for global warming?

Which of the following terms is defined as "the process of removing refrigerant from an air conditioning system and storing it in an external container"?

List the four types of refrigerant certifications.

Which of the following statements is correct regarding the ozone depletion potential (ODP) of refrigerants?

Because of the danger __________ pose to the environment, they have not been produced since December 1995.

Which of the following terms is defined as "the process by which refrigerant that has been removed from an air conditioning system is treated to reduce the levels of contamination in the system"?

Which refrigerant/s have an ODP of zero?

Which is NOT a health risk associated with ozone depletion?

As our industry has moved away from using CFC refrigerants and is in the process of moving away from HCFC refrigerants, more and more air conditioning and refrigeration applications are utilizing __________ and __________.

List four desired properties of refrigerants.

Which HFC refrigerant has taken the place of R-12 for use in domestic refrigeration?

When referring to ozone layer protection, we are concerning ourselves with ________?

In what year did it become necessary for all HVAC technicians to become certified to handle refrigerant under Section 608 of the Clean Air Act?

Define the following refrigerant acronyms: HFC HC CFC HCFC

Which oil type works well with HFC and HFC-based blended refrigerants?

In what year did it become unlawful to knowingly vent CFCs and HCFCs?