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The abbreviation for refrigerants containing chlorine, fluorine, carbon, and hydrogen is ____.


A) HFC
B) HCFC
C) CFC
D) HFAC

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Refrigerants that damage the ozone layer contain an element called ____________________.

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To remove the refrigerant from a system without any testing or processing and to be put back into the same system is called ____.


A) recovery
B) renew
C) reclaim
D) recycle

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Which of the following refrigerants is considered an HFC-type of refrigerant?


A) R-134a.
B) R-12.
C) R-22.
D) R-11.

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A

On what does universal EPA certification allow a service technician to work?

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A technician with a ...

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To process refrigerant to new product specifications is called ____.


A) recovery
B) renew
C) reclaim
D) recycle

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Refrigerants that have a low Ozone Depletion Potential (ODP) will, in turn, have a high "Total Equivalent Warming Impact" (TEWI).

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How many chlorine atoms does it take to destroy 100,000 ozone molecules in the stratosphere?


A) 1,
B) 10,
C) 100,
D) 1,000,

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On what does Type I EPA certification allow a service technician to work ?

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Equipment containing...

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In refrigerant blends, when does fractionation occur?

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Fractionation occurs when one or more of the refrigerants in the blend condense or evaporate at different rates than the other refrigerants.

When a technician works for a company in which the technician does not have a financial interest, the technician does not have to be certified.

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When did it become illegal to "intentionally" vent HFC refrigerants to the atmosphere? Give the month, day, and year.

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The date w...

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The fine for venting refrigerant into the atmosphere can be as high as $____________________ per day.

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27,500,275...

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The fastest way to remove refrigerant from a system is to take it out in the ____________________ state.

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Why is stratospheric ozone so important to our environment?

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It shields the Earth...

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On what does a Type II EPA certification allow a service technician to work?

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High pressure systems with ref...

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HCFC-based blends work best with ____________________ lubricants, while HFC-based blends work best with ester lubricants.

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alkylbenzene

What is tropospheric ozone and why are we not concerned with protecting it?

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It is a pollutant an...

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How are near-azeotropic blends identified?

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They are designated ...

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Which of the following refrigerants is a CFC-type refrigerant?


A) R-22.
B) R-123.
C) R-134a.
D) R-12.

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