EPA 608 COMPREHENSIVE EXAM SCRIPT
VERIFIED QUESTIONS COMPLETE
ANSWERS GRADED APLUS
◉ What is the definition of a Type I Appliance?
Answer: A small appliance that is manufactured, charged, and
hermetically sealed in a factory with 5 Lbs. of refrigerant or less.
◉ What is the definition of a Type II Appliance?
Answer: High pressure or very high pressure appliances except
for small appliances and motor vehicle air conditioning.
Refrigeration systems containing more than 5 Lbs. of high or very
high pressure refrigerants.
◉ What is the definition of a Type III Appliance?
Answer: Low pressure equipment like low pressure chillers.
◉ All refrigerants are assumed to be a single chemical if they are
numbered what?
Answer: 1-399 and 600 and above.
◉ What is an Azeotrope?
Answer: A mixture of two or more liquids in such a ratio that it's
composition cannot be changed by vaporizing it.
, ◉ Azeotrope's are numbered what?
Answer: 500 to 599
◉ What is fractionation?
Answer: When the refrigerant leaks, it leaks out in different rates
due to the different pressures.
◉ What is Temperature Glide?
Answer: When the temperature of the vaporizing refrigerant
changes, even though the pressure remains the same.
◉ What are the two basic types of recovery devices?
Answer: Self-Contained and System-Dependent.
◉ System-Dependent devices may only be used on appliances
containing how much refrigerant?
Answer: 15 Lbs of refrigerant or less
◉ What MUST be placed on a refrigerant cylinder being returned
for reclaiming.
Answer: A refrigerant label.
VERIFIED QUESTIONS COMPLETE
ANSWERS GRADED APLUS
◉ What is the definition of a Type I Appliance?
Answer: A small appliance that is manufactured, charged, and
hermetically sealed in a factory with 5 Lbs. of refrigerant or less.
◉ What is the definition of a Type II Appliance?
Answer: High pressure or very high pressure appliances except
for small appliances and motor vehicle air conditioning.
Refrigeration systems containing more than 5 Lbs. of high or very
high pressure refrigerants.
◉ What is the definition of a Type III Appliance?
Answer: Low pressure equipment like low pressure chillers.
◉ All refrigerants are assumed to be a single chemical if they are
numbered what?
Answer: 1-399 and 600 and above.
◉ What is an Azeotrope?
Answer: A mixture of two or more liquids in such a ratio that it's
composition cannot be changed by vaporizing it.
, ◉ Azeotrope's are numbered what?
Answer: 500 to 599
◉ What is fractionation?
Answer: When the refrigerant leaks, it leaks out in different rates
due to the different pressures.
◉ What is Temperature Glide?
Answer: When the temperature of the vaporizing refrigerant
changes, even though the pressure remains the same.
◉ What are the two basic types of recovery devices?
Answer: Self-Contained and System-Dependent.
◉ System-Dependent devices may only be used on appliances
containing how much refrigerant?
Answer: 15 Lbs of refrigerant or less
◉ What MUST be placed on a refrigerant cylinder being returned
for reclaiming.
Answer: A refrigerant label.
