#1
Which organization is responsible for EPA Type 2 Certification?
Environmental Protection Agency (EPA)
ExplanationEPA oversees Type 2 Certification.
#2
Which EPA certification type is required for technicians handling small appliances containing less than 5 pounds of refrigerant?
Type I
ExplanationTechnicians need Type I certification for small appliances.
#3
Which refrigerant is commonly used in domestic refrigerators and air conditioners?
R-22
ExplanationR-22 is common in domestic refrigeration and ACs.
#4
What does EPA Type 2 Certification cover in refrigerant management?
Low-pressure appliances
ExplanationType 2 Certification pertains to low-pressure appliances.
#5
In refrigerant recovery, what is the purpose of the filter-drier?
To remove moisture and contaminants
ExplanationFilter-drier removes moisture and contaminants in recovery.
#6
What is the primary purpose of the EPA Section 608 regulation?
Regulating the use of ozone-depleting substances
ExplanationEPA Section 608 regulates ozone-depleting substances.
#7
What is the recommended recovery equipment for servicing high-pressure appliances?
Type I equipment
ExplanationType I equipment is recommended for high-pressure appliances.
#8
In refrigerant reclamation, what is the purpose of the reclaimer unit?
To purify refrigerant for reuse
ExplanationReclaimer unit purifies refrigerant for reuse.
#9
What is the ozone depletion potential (ODP) of R-22 refrigerant?
0.1
ExplanationR-22 has an ODP of 0.1.
#10
Which of the following is a hydrochlorofluorocarbon (HCFC) refrigerant?
R-22
ExplanationR-22 is an HCFC refrigerant.
#11
Which refrigerant is known for its low global warming potential (GWP)?
R-32
ExplanationR-32 has low GWP.
#12
What does the term 'superheat' refer to in refrigeration?
Excess refrigerant vapor above its boiling point
ExplanationSuperheat is excess vapor above boiling point.
#13
What is the purpose of the sight glass in a refrigeration system?
To visualize refrigerant flow
ExplanationSight glass visualizes refrigerant flow.