Exam (elaborations)
EPA 608 CERTIFICATION EXAM- QWIK STUDY GUIDE QUESTIONS AND ANSWERS
- Course
- Institution
EPA 608 CERTIFICATION EXAM- QWIK STUDY GUIDE QUESTIONS AND ANSWERS
[Show more]
Content preview
EPA 608 CERTIFICATION EXAM- QWIKSTUDY GUIDE QUESTIONS AND
ANSWERS
Ozone stratosphere above the earth consists of molecules containing... - Answer-3
oxygen atoms (O3)
The oxygen we breathe contains how many atoms in each molecule? - Answer-two
atoms (O2)
The ozone layer consists of ozone in the stratosphere at an altitude of between
__________above the earth - Answer-7 and 28 miles
the ozone layer is formed by what? - Answer-Ultra violet light from the sun acting on
oxygen molecules,absorbs and scatter UV light from the sun
What does the Ozone layer do? - Answer-prevents harmful amounts of UV light from
reaching Earth.
What is another name for the ozone layer? - Answer-ozone shield
Ozone in the lower atmosphere where we breathe is caused by what? - Answer-UV
radiation from the sun acting on smog and air pollutants
Ozone at ground level is what? - Answer-Harmful pollutant
Ozone in the stratosphere is what? - Answer-Protective Shield
The ability of a substance to destroy ozone in the stratosphere is referred to as the
what? - Answer-Ozone depletion potential (ODP)
Chlorine in refrigerants causes what? - Answer-stratospheric ozone depletion
The rise in the amount of chlorine measured in the stratosphere matches what? -
Answer-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? - Answer-100,000
What happens when ozone depletion occurs? - Answer-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? - Answer-The amount of fluorine
The chlorine in the stratosphere is believed to come primarily from what? - Answer-
CFC's & HCFC's
Stratospheric ozone protection is a - Answer-global problem
What is the Montreal Protocol? - Answer-and international treaty that addresses limiting
ozone depleting substances.
Increased concentration in the stratosphere of chlorine and bromine pose what? -
Answer-substantial risks of ozone depletion
The Ozone layer - Answer-protects Earth from harmful ultraviolet rays
What are some side effects of increased UV radiation? - Answer-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? - Answer-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 - Answer-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... - Answer-illegal
Chlorofluorocarbons (CFCs) contain what elements? - Answer-chlorine, fluorine, carbon
Which refrigerants have the highest ODP - Answer-CFC's
What makes CFC's chemically stable? - Answer-They contain no hydrogen
What makes CFC's damaging to the ozone? - Answer-They contain chlorine
What do CFC's & HCFC's do in water? - Answer-They do not dissolve or breakdown
What were some commonly used CFC's before being banned? - Answer-R-11 & R-12
Hydrochloroflurocarbons (HCFCs) contain what elements? - Answer-Hydrogen,
chlorine, fluorine, carbon
What makes HCFC's less damaging to the environment than CFC's? - Answer-They
contain hydrogen which makes them less stable and decompose faster
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
80461 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now