EPA 608 UNIVERSAL EXAM REVIEW SOLVED QUESTIONS COMPLETE ANSWERS GRADED A
PLUS
Question:
What are the three equipment-specific types covered in the EPA 608 certification?
Answer:
Type I (small appliances), Type II (high-pressure appliances), and Type III (low-pressure
appliances).
Question:
What significant act was amended in 1990 to establish Section 608?
Answer:
The Clean Air Act (CAA).
Question:
What is the main goal of Section 608?
Answer:
To minimize emissions of ozone-depleting substances (ODS) and their substitutes.
Question:
What does the Montreal Protocol aim to achieve?
Answer:
It phases out the production and use of CFCs and HCFCs due to their high ozone depletion
potential.
,Question:
What is the Ozone Depletion Potential (ODP) of CFCs like R-12?
Answer:
1.0.
Question:
What is the GWP of R-404A?
Answer:
3,922.
Question:
What does the AIM Act mandate regarding HFCs?
Answer:
It mandates a phase-down of high-GWP HFCs by 85% by 2036.
Question:
What are the two types of refrigerant blends?
Answer:
Azeotropic blends and zeotropic blends.
Question:
What is superheat in refrigeration?
Answer:
The temperature of vapor above its boiling point.
Question:
, What is subcooling in refrigeration?
Answer:
The temperature of liquid below its condensation point.
Question:
What is required before opening or disposing of any appliance containing regulated refrigerant?
Answer:
Recovery of the refrigerant.
Question:
What is the maximum recovery level required for small appliances manufactured after 1993?
Answer:
90% recovery or evacuation to 4" Hg vacuum.
Question:
What type of recovery equipment is required for appliances over 15 lbs of refrigerant?
Answer:
Self-contained recovery equipment.
Question:
What is the primary health hazard associated with refrigerants?
Answer:
Asphyxiation due to displacement of oxygen.
Question:
What must be observed to avoid toxicity when handling certain refrigerants?
PLUS
Question:
What are the three equipment-specific types covered in the EPA 608 certification?
Answer:
Type I (small appliances), Type II (high-pressure appliances), and Type III (low-pressure
appliances).
Question:
What significant act was amended in 1990 to establish Section 608?
Answer:
The Clean Air Act (CAA).
Question:
What is the main goal of Section 608?
Answer:
To minimize emissions of ozone-depleting substances (ODS) and their substitutes.
Question:
What does the Montreal Protocol aim to achieve?
Answer:
It phases out the production and use of CFCs and HCFCs due to their high ozone depletion
potential.
,Question:
What is the Ozone Depletion Potential (ODP) of CFCs like R-12?
Answer:
1.0.
Question:
What is the GWP of R-404A?
Answer:
3,922.
Question:
What does the AIM Act mandate regarding HFCs?
Answer:
It mandates a phase-down of high-GWP HFCs by 85% by 2036.
Question:
What are the two types of refrigerant blends?
Answer:
Azeotropic blends and zeotropic blends.
Question:
What is superheat in refrigeration?
Answer:
The temperature of vapor above its boiling point.
Question:
, What is subcooling in refrigeration?
Answer:
The temperature of liquid below its condensation point.
Question:
What is required before opening or disposing of any appliance containing regulated refrigerant?
Answer:
Recovery of the refrigerant.
Question:
What is the maximum recovery level required for small appliances manufactured after 1993?
Answer:
90% recovery or evacuation to 4" Hg vacuum.
Question:
What type of recovery equipment is required for appliances over 15 lbs of refrigerant?
Answer:
Self-contained recovery equipment.
Question:
What is the primary health hazard associated with refrigerants?
Answer:
Asphyxiation due to displacement of oxygen.
Question:
What must be observed to avoid toxicity when handling certain refrigerants?
