ANSWERS
1.As technicians we must stay up to date on
ANS Federal state and local law
2.For universal certification you will receive how many questions
ANS 100
3.What is passing grade for all epa certifications
ANS 70%
4.True or false you must memorize all regulations because they
will stay the same forever
ANS False
5.Can chlorine from the environment come from natural
resources such as volcanoes
ANS Yes but they are not the primary source
6.True or false Ground level ozone is what reflects and absorbs
harmful uv rays from the sun
ANS False
7.In which way does ozone depletion affect humans
ANS Increased risk of skin cancer and cataracts
8.Is there evidence that refrigerants are in the stratosphere
ANS Yes
9.One molecule of chlorine can destroy how many molecules of
ozone
, ANS -
100,000
10.Ozone has oxygen atoms.
ANS 3
11.True or false the majority of the ozone is located in the
troposphere
ANS False
12.How many molecules of ozone can three molecules of chlorine
destroy
ANS -
300,000
13.What is the major function of ozone in the stratosphere
ANS Absorb and reflect uv rays from the sun
14.What is the primary source of Chlorine in the stratosphere
ANS Emissions of refrigerants by human like cfc and hcfc
15.What molecule destroys the ozone layer
ANS Chlorine
16.Which of the following are effects of the ozone layer
depletion
ANS Decreasing crop yields and threat to wild and marine life
17.Who does ozone depletion affect
ANS People all over the world
18.After refrigerant is phased out can equipment still contain
refrigerant
, ANS Yes
19.After refrigerant is phased out can technicians service
equipment contain- ing that refrigerant
ANS Yes
20.After being phased out, where can technicians obtain
refrigerant to service equipment that contains that refrigerant?
ANS From recovered or reclaimed refriger- ant
21.Can refrigerant be resold
ANS Yes, but only if it has been reclaimed to AHRI Standard 700
specifications
22.Equipment has to be certified to epa standards in order to
recover which refrigerants
ANS Cfc hcfc hfc
23. If you are selling r 22 refrigerant who can you sell to
ANS A technician or business with an epa 608
24.If you recover r 22 can you use the recovered refrigerant in
another device owned by a different person
ANS Yes but only if it is reclaimed and meets ahri 700 standards
25.In the United States when we're all CFCs phased out
ANS 1995
26.In the United States when we're r22 r124b phased out
ANS 2020
27.In the United States when will all HCFCS be phased out
ANS 2030
28.What records should be kept for r22