SKILLCAT EPA 608 CERTIFICATION EXAM
2026 COMPREHENSIVE PRACTICE
QUESTIONS AND VERIFIED CORRECT
ANSWERS WITH DETAILED RATIONALES
UNIVERSAL TECHNICIAN CERTIFICATION
STUDY GUIDE
If the oil is contaminated what do we do - CORRECT ANSWER -Flush the
system
Non-condensables would _ the pressure on the high side of an active
recovery device - CORRECT ANSWER -Increase
Recovery devices are tested and certified by - C As technicians we must stay
up to date on - CORRECT ANSWER -Federal state and local law
For universal certification you will receive how many questions - CORRECT
ANSWER -100
What is passing grade for all epa certifications - CORRECT ANSWER -70%
True or false you must memorize all regulations because they will stay the
same forever - CORRECT ANSWER -False
,Can chlorine from the environment come from natural resources such as
volcanoes - CORRECT ANSWER -Yes but they are not the primary source
True or false Ground level ozone is is what reflects and absorbs harmful uv
rays from the sun - CORRECT ANSWER -False
In which way does ozone depletion affect humans - CORRECT ANSWER -
Increased risk of skin cancer and cataracts
Is there evidence that refrigerants are in the stratosphere - CORRECT
ANSWER -Yes
One molecule of chlorine can destroy how many molecules of ozone -
CORRECT ANSWER -100,000
Ozone has ____ oxygen atoms. - CORRECT ANSWER -3
True or false the majority of the ozone is located in the troposphere -
CORRECT ANSWER -False
How many molecules of ozone can three molecules of chlorine destroy -
CORRECT ANSWER -300,000
, What is the major function of ozone in the stratosphere - CORRECT
ANSWER -Absorb and reflect uv rays from the sun
What is the primary source of Chlorine in the stratosphere - CORRECT
ANSWER -Emissions of refrigerants by human like cfc and hcfc
What molecule destroys the ozone layer - CORRECT ANSWER -Chlorine
Which of the following are effects of the ozone layer depletion - CORRECT
ANSWER -Decreasing crop yields and threat to wild and marine life
Who does ozone depletion affect - CORRECT ANSWER -People all over the
world
After refrigerant is phased out can equipment still contain refrigerant -
CORRECT ANSWER -Yes
After refrigerant is phased out can technicians service equipment
containing that refrigerant - CORRECT ANSWER -Yes
After being phased out, where can technicians obtain refrigerant to service
equipment that contains that refrigerant? - CORRECT ANSWER -From
recovered or reclaimed refrigerant
Can refrigerant be resold - CORRECT ANSWER -Yes, but only if it has been
reclaimed to AHRI Standard 700 specifications
2026 COMPREHENSIVE PRACTICE
QUESTIONS AND VERIFIED CORRECT
ANSWERS WITH DETAILED RATIONALES
UNIVERSAL TECHNICIAN CERTIFICATION
STUDY GUIDE
If the oil is contaminated what do we do - CORRECT ANSWER -Flush the
system
Non-condensables would _ the pressure on the high side of an active
recovery device - CORRECT ANSWER -Increase
Recovery devices are tested and certified by - C As technicians we must stay
up to date on - CORRECT ANSWER -Federal state and local law
For universal certification you will receive how many questions - CORRECT
ANSWER -100
What is passing grade for all epa certifications - CORRECT ANSWER -70%
True or false you must memorize all regulations because they will stay the
same forever - CORRECT ANSWER -False
,Can chlorine from the environment come from natural resources such as
volcanoes - CORRECT ANSWER -Yes but they are not the primary source
True or false Ground level ozone is is what reflects and absorbs harmful uv
rays from the sun - CORRECT ANSWER -False
In which way does ozone depletion affect humans - CORRECT ANSWER -
Increased risk of skin cancer and cataracts
Is there evidence that refrigerants are in the stratosphere - CORRECT
ANSWER -Yes
One molecule of chlorine can destroy how many molecules of ozone -
CORRECT ANSWER -100,000
Ozone has ____ oxygen atoms. - CORRECT ANSWER -3
True or false the majority of the ozone is located in the troposphere -
CORRECT ANSWER -False
How many molecules of ozone can three molecules of chlorine destroy -
CORRECT ANSWER -300,000
, What is the major function of ozone in the stratosphere - CORRECT
ANSWER -Absorb and reflect uv rays from the sun
What is the primary source of Chlorine in the stratosphere - CORRECT
ANSWER -Emissions of refrigerants by human like cfc and hcfc
What molecule destroys the ozone layer - CORRECT ANSWER -Chlorine
Which of the following are effects of the ozone layer depletion - CORRECT
ANSWER -Decreasing crop yields and threat to wild and marine life
Who does ozone depletion affect - CORRECT ANSWER -People all over the
world
After refrigerant is phased out can equipment still contain refrigerant -
CORRECT ANSWER -Yes
After refrigerant is phased out can technicians service equipment
containing that refrigerant - CORRECT ANSWER -Yes
After being phased out, where can technicians obtain refrigerant to service
equipment that contains that refrigerant? - CORRECT ANSWER -From
recovered or reclaimed refrigerant
Can refrigerant be resold - CORRECT ANSWER -Yes, but only if it has been
reclaimed to AHRI Standard 700 specifications
