Practice Exam 2026
2027 Edition
Comprehensive
Review with Verified
Questions and
Correct Answers
, On a daily basis, which of the following should be verified in refrigerant recovery equipment?
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a.) Temperature Levels
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b.) Both Oil Levels and for Refrigerant Leaks
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c.) Refrigerant Leaks
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d.) Oil Levels - correct answer = b.) Both Oil Levels and for Refrigerant Leaks
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All recovery equipment should be checked for oil levels and refrigerant leaks on a daily basis.
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These should be replaced whenever necessary.
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m Technicians who work on small appliances with sealed systems must have: m m m m m m m m m m
a.) Universal 609 certification
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b.) Type II certification
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c.) Type I, II, or III certification
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d.) Type I or Universal certification - correct answer = d.) Type I or Universal certification
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Persons handling refrigerant during maintenance, service or repair of small appliances must
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be certified as either a Type I Technician or as a Universal Technician. (Page16 ESCO EPA
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9TH V2 Edition Prep Manual)
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Is it true or false that recovery devices should not be used on hydrogen-containing
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equipment?
a.) True m
b.) False - correct answer = a.) True
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Systems built before 1950 contain many different chemicals including sulfur dioxide and
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methyl formate. m
m To determine the type of refrigerant, which purity test is used?
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a.) ARI 700
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b.) ARI 900
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c.) ARI 200
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d.) ARI 500 - correct answer = a.) ARI 700
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ARI 700 is the established standard. This standard was created by the Air Conditioning,
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Heating, and Refrigeration Institute (AHRI) m m m m
m Equipment for recovery must be: m m m m
a.) Used on all equipment manufactured after November 15, 1995.
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b.) Used on all equipment manufactured after July 1, 1995.
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c.) CSA approved.
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