EPA 608 Certification Exam- Qwik Study 2024
Ozone stratosphere above the earth consists of molecules containing... -Correct Ans-3
oxygen atoms (O3)
The oxygen we breathe contains how many atoms in each molecule? -Correct Ans-two
atoms (O2)
The ozone layer consists of ozone in the stratosphere at an altitude of between
__________above the earth -Correct Ans-7 and 28 miles
the ozone layer is formed by what? -Correct Ans-Ultra violet light from the sun acting on
oxygen molecules,absorbs and scatter UV light from the sun
What does the Ozone layer do? -Correct Ans-prevents harmful amounts of UV light from
reaching Earth.
What is another name for the ozone layer? -Correct Ans-ozone shield
Ozone in the lower atmosphere where we breathe is caused by what? -Correct Ans-UV
radiation from the sun acting on smog and air pollutants
Ozone at ground level is what? -Correct Ans-Harmful pollutant
Ozone in the stratosphere is what? -Correct Ans-Protective Shield
The ability of a substance to destroy ozone in the stratosphere is referred to as the
what? -Correct Ans-Ozone depletion potential (ODP)
,Chlorine in refrigerants causes what? -Correct Ans-stratospheric ozone depletion
The rise in the amount of chlorine measured in the stratosphere matches what? -
Correct Ans-The rise in ozone-depleting emissions of CFC's and HCFC's over the same
period
According to the Roland-Molina Theory how many ozone molecules are destroyed by
each chlorine atom? -Correct Ans-100,000
What happens when ozone depletion occurs? -Correct Ans-More UV radiation
penetrates to the earths surface.
The rise in the amount of chlorine measured in the stratosphere over the same time
matches what? -Correct Ans-The amount of fluorine
The chlorine in the stratosphere is believed to come primarily from what? -Correct Ans-
CFC's & HCFC's
Stratospheric ozone protection is a -Correct Ans-global problem
What is the Montreal Protocol? -Correct Ans-and international treaty that addresses
limiting ozone depleting substances.
Increased concentration in the stratosphere of chlorine and bromine pose what? -
Correct Ans-substantial risks of ozone depletion
The Ozone layer -Correct Ans-protects Earth from harmful ultraviolet rays
, What are some side effects of increased UV radiation? -Correct Ans-Skin Cancer,
cataracts, suppression of immune system, reduced crop yields, damage to marine life,
increased degradation of polymers, climate change
What is the SNAP Program? -Correct Ans-The Significant New Alternatives Policy
identifies refrigerants with lower overall risks to human health and the environment.
Technicians who violate the Clean Air Act provisions can be -Correct Ans-fined up to
$44,539 per day per violation, lose their certification, and face federal charges
Knowingly releasing refrigerants during the service, maintenance, repair or disposal of
appliances is... -Correct Ans-illegal
Chlorofluorocarbons (CFCs) contain what elements? -Correct Ans-chlorine, fluorine,
carbon
Which refrigerants have the highest ODP -Correct Ans-CFC's
What makes CFC's chemically stable? -Correct Ans-They contain no hydrogen
What makes CFC's damaging to the ozone? -Correct Ans-They contain chlorine
What do CFC's & HCFC's do in water? -Correct Ans-They do not dissolve or breakdown
What were some commonly used CFC's before being banned? -Correct Ans-R-11 & R-12
Ozone stratosphere above the earth consists of molecules containing... -Correct Ans-3
oxygen atoms (O3)
The oxygen we breathe contains how many atoms in each molecule? -Correct Ans-two
atoms (O2)
The ozone layer consists of ozone in the stratosphere at an altitude of between
__________above the earth -Correct Ans-7 and 28 miles
the ozone layer is formed by what? -Correct Ans-Ultra violet light from the sun acting on
oxygen molecules,absorbs and scatter UV light from the sun
What does the Ozone layer do? -Correct Ans-prevents harmful amounts of UV light from
reaching Earth.
What is another name for the ozone layer? -Correct Ans-ozone shield
Ozone in the lower atmosphere where we breathe is caused by what? -Correct Ans-UV
radiation from the sun acting on smog and air pollutants
Ozone at ground level is what? -Correct Ans-Harmful pollutant
Ozone in the stratosphere is what? -Correct Ans-Protective Shield
The ability of a substance to destroy ozone in the stratosphere is referred to as the
what? -Correct Ans-Ozone depletion potential (ODP)
,Chlorine in refrigerants causes what? -Correct Ans-stratospheric ozone depletion
The rise in the amount of chlorine measured in the stratosphere matches what? -
Correct Ans-The rise in ozone-depleting emissions of CFC's and HCFC's over the same
period
According to the Roland-Molina Theory how many ozone molecules are destroyed by
each chlorine atom? -Correct Ans-100,000
What happens when ozone depletion occurs? -Correct Ans-More UV radiation
penetrates to the earths surface.
The rise in the amount of chlorine measured in the stratosphere over the same time
matches what? -Correct Ans-The amount of fluorine
The chlorine in the stratosphere is believed to come primarily from what? -Correct Ans-
CFC's & HCFC's
Stratospheric ozone protection is a -Correct Ans-global problem
What is the Montreal Protocol? -Correct Ans-and international treaty that addresses
limiting ozone depleting substances.
Increased concentration in the stratosphere of chlorine and bromine pose what? -
Correct Ans-substantial risks of ozone depletion
The Ozone layer -Correct Ans-protects Earth from harmful ultraviolet rays
, What are some side effects of increased UV radiation? -Correct Ans-Skin Cancer,
cataracts, suppression of immune system, reduced crop yields, damage to marine life,
increased degradation of polymers, climate change
What is the SNAP Program? -Correct Ans-The Significant New Alternatives Policy
identifies refrigerants with lower overall risks to human health and the environment.
Technicians who violate the Clean Air Act provisions can be -Correct Ans-fined up to
$44,539 per day per violation, lose their certification, and face federal charges
Knowingly releasing refrigerants during the service, maintenance, repair or disposal of
appliances is... -Correct Ans-illegal
Chlorofluorocarbons (CFCs) contain what elements? -Correct Ans-chlorine, fluorine,
carbon
Which refrigerants have the highest ODP -Correct Ans-CFC's
What makes CFC's chemically stable? -Correct Ans-They contain no hydrogen
What makes CFC's damaging to the ozone? -Correct Ans-They contain chlorine
What do CFC's & HCFC's do in water? -Correct Ans-They do not dissolve or breakdown
What were some commonly used CFC's before being banned? -Correct Ans-R-11 & R-12
