EPA 608 Type II Test Questions.pdf file:///C:/Users/HP/Desktop/TYPA%20NEW/EPA%20608%20Type%
EPA 608 Type II Test Questions
1. Before charging a new system with refrigerant, what should be done?
ANS Pres-surize with nitrogen (classified as an inert gas) and leak
2. Which refrigerant can be used for leak detection as a trace gas and pres-surized
with nitrogen?
ANS R-22
3. What tools can you use to find general area of leaks and pinpoint leaks?
a. Soap bubbles.
b. Look for oil residue
c. Electronic or ultrasonic leak detector will provide the general area ofthe leak
d. Refrigerant dye
ANS c. Electronic or ultrasonic leak detector will provide the generalarea of
the leak
4. Traces of oil around a sight glass inlet fitting of a refrigeration system mightbe
the indication of
a. A leak
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b. Excessive oil in the system
c. An overcharge
d. A restriction at the TXV
ANS a. A leak
5. Describe ways you can visually look for leaks.
a. Using soap bubbles
b. Looking for traces of oil
c. Excessive superheat, caused by low refrigerant charge
d. All the above
ANS d. All the above
6. Type II classification, as identified by EPA, applies to what equipment?
a. Small appliances with five (5) pounds of refrigerant or less
b. Refrigerators, freezers, and vending machine appliances
c. Low pressure appliances
d. Split air conditioning equipment with five (5) pounds of refrigerant
or more
ANS d. Split air conditioning equipment with five (5) pounds of refrigerantor more
7. What are the leak repair requirements for comfort cooling appliances andcommercial
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Appliances containing 50 lbs. or more of refrigerant?
a. Must be repaired if leak rate exceeds 15% in comfort cooling appliances.
b. Must be repaired if leak rate exceeds 35% in all commercial and industrialprocess
refrigeration\
c. a and b
d. None of the above
ANS c. a and b
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