EPA 608 Type II Sample Test Questions And Correct Answers.
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Course
EPA 608
Institution
EPA 608
EPA 608 Type II Sample Test Questions And
Correct Answers.
Before charging a new system with refrigerant, what should be done? - answerPressurize
with nitrogen (classified as an inert gas) and leak
Which refrigerant can be used for leak detection as a trace gas and pressurized
with nitrogen? -...
EPA 608 Type II Sample Test Questions And
Correct Answers.
Before charging a new system with refrigerant, what should be done? - answer✔✔Pressurize
with nitrogen (classified as an inert gas) and leak
Which refrigerant can be used for leak detection as a trace gas and pressurized
with nitrogen? - answer✔✔R-22
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 of
the leak
d. Refrigerant dye - answer✔✔c. Electronic or ultrasonic leak detector will provide the general
area of
the leak
Traces of oil around a sight glass inlet fitting of a refrigeration system might be
the indication of:
a. A leak
b. Excessive oil in the system
c. An overcharge
d. A restriction at the TXV - answer✔✔a. A leak
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 - answer✔✔d. All the above
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 - answer✔✔d. Split air conditioning equipment with five (5) pounds of refrigerant
or more
What are the leak repair requirements for comfort cooling appliances and commercial
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 industrial
process refrigeration\
c. a and b
d. None of the above - answer✔✔c. a and b
What type of refrigerant was the most common before outlawing CFCs and
HCFCs?
a. R-12
b. R-22
c. R-500
d. R-134A - answer✔✔b. R-22
The required level of evacuation for recovery equipment manufactured after
November 15, 1993, on a system containing less than 200 pounds of R-12
refrigerant is:
a. 0 inches Hg
b. 4 inches Hg
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