EPA 608 CERTIFICATION EXAM- QWIK
STUDY 2025 (UPDATED) QUESTIONS
WITH COMPLETE SOLUTIONS!!
1 of 185
Term
What is the Montreal Protocol?
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and international treaty that a local law regulating air quality
addresses limiting ozone standards.
depleting substances.
, a scientific study on climate change a public awareness campaign about
effects. recycling.
Don't know?
2 of 185
Term
What must appliances always be evacuated to?
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5 psig 20 psig
10 psig 0 psig
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3 of 185
Term
When can you charge used refrigerant?
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when it is mixed with
other refrigerants only when it is new
, when its going back into
the same appliance or
another when it is expired
appliance owned by the same
owner
Don't know?
4 of 185
Term
What makes HFO Refrigerants less flammable the HC Refrigerants?
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they contain chlorine they contain fluorine
they contain carbon they contain bromine
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5 of 185
Term
What factors effect recovery time?
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, size of equipment being
evacuated, the size of the
vacuum pump, the size of the type of refrigerant used
the lines, ambient
temperatures, moisture in
the system
only the size of the vacuum pump the age of the equipment
Don't know?
6 of 185
Term
What should you use to verify test pressure, refrigerant and,
normal charge?
Give this one a try later!
the pressure gauge reading the refrigerant type
the value on the
system nameplate the manufacturer's manual
Don't know?
STUDY 2025 (UPDATED) QUESTIONS
WITH COMPLETE SOLUTIONS!!
1 of 185
Term
What is the Montreal Protocol?
Give this one a try later!
and international treaty that a local law regulating air quality
addresses limiting ozone standards.
depleting substances.
, a scientific study on climate change a public awareness campaign about
effects. recycling.
Don't know?
2 of 185
Term
What must appliances always be evacuated to?
Give this one a try later!
5 psig 20 psig
10 psig 0 psig
Don't know?
3 of 185
Term
When can you charge used refrigerant?
Give this one a try later!
when it is mixed with
other refrigerants only when it is new
, when its going back into
the same appliance or
another when it is expired
appliance owned by the same
owner
Don't know?
4 of 185
Term
What makes HFO Refrigerants less flammable the HC Refrigerants?
Give this one a try later!
they contain chlorine they contain fluorine
they contain carbon they contain bromine
Don't know?
5 of 185
Term
What factors effect recovery time?
Give this one a try later!
, size of equipment being
evacuated, the size of the
vacuum pump, the size of the type of refrigerant used
the lines, ambient
temperatures, moisture in
the system
only the size of the vacuum pump the age of the equipment
Don't know?
6 of 185
Term
What should you use to verify test pressure, refrigerant and,
normal charge?
Give this one a try later!
the pressure gauge reading the refrigerant type
the value on the
system nameplate the manufacturer's manual
Don't know?
