SKILLCAT EPA 608 ACTUAL EXAM (LATEST 2026/2027
UPDATED) QUESTIONS & DEFINITIVE ANSWERS ALREADY
GRADED A+
True or false as long as an oil is not flammable at the starting
and ending temperature it can be used because the system is
contained
False
True or false Hydrolysis is when refrigerant oil breaks in the
presence of water
True
True or false Polyester oils are great because they can mix
with a lot of other oils
False
What are the most common ways leaks can occur
Wear and tear, poor initial construction
Common leak locations are
,Coils, valve connections, pipe connections
What information needs to be on the label of a container sent
for reclamation
Refrigerant type
What position must you ship cylinders of refrigerant
Upright
When shipping refrigerant that has been used you should
Attach dot classification tags, use recovery cylinders, properly
label contents
When shipping refrigerants in hazard class 2.2 what
information needs to be on the shipping paper
Number of cylinders of each gas
,Where can you find any safety related information on
refrigerants you're handling
Safety data sheets
True or false When sending used refrigerants to be reclaimed
you must dispose refrigerant cycles
False
Contaminated refrigerants can cause the appliance to
Cool less efficient
If a household freezer contains r22 we can retrofit it to operate
on
R410a
If we find refrigerant that is mixed what must we do
Send it to a certified reclaiming facility to try to reclaim it
, If we use nitrogen to pressurize a system or blow debris out
we can
Vent the nitrogen
Isobutane is
An acceptable substitute for all new household refrigerators
and freezers
New household refrigerators and freezers can be factory
charged with
R600a,r290
Small appliances include
Window ac units
UPDATED) QUESTIONS & DEFINITIVE ANSWERS ALREADY
GRADED A+
True or false as long as an oil is not flammable at the starting
and ending temperature it can be used because the system is
contained
False
True or false Hydrolysis is when refrigerant oil breaks in the
presence of water
True
True or false Polyester oils are great because they can mix
with a lot of other oils
False
What are the most common ways leaks can occur
Wear and tear, poor initial construction
Common leak locations are
,Coils, valve connections, pipe connections
What information needs to be on the label of a container sent
for reclamation
Refrigerant type
What position must you ship cylinders of refrigerant
Upright
When shipping refrigerant that has been used you should
Attach dot classification tags, use recovery cylinders, properly
label contents
When shipping refrigerants in hazard class 2.2 what
information needs to be on the shipping paper
Number of cylinders of each gas
,Where can you find any safety related information on
refrigerants you're handling
Safety data sheets
True or false When sending used refrigerants to be reclaimed
you must dispose refrigerant cycles
False
Contaminated refrigerants can cause the appliance to
Cool less efficient
If a household freezer contains r22 we can retrofit it to operate
on
R410a
If we find refrigerant that is mixed what must we do
Send it to a certified reclaiming facility to try to reclaim it
, If we use nitrogen to pressurize a system or blow debris out
we can
Vent the nitrogen
Isobutane is
An acceptable substitute for all new household refrigerators
and freezers
New household refrigerators and freezers can be factory
charged with
R600a,r290
Small appliances include
Window ac units
