ODS test

Question 1

what does HFO stand for?

Answer 1

hydrofluoroolefin

Question 2

what is the ODP and GWP of CFC’s?

Answer 2

highest ozone depletion, high gwp

Question 3

what are the ODP and GWP of HCFC’s?

Answer 3

deplete ozone, high gwp

Question 4

what are the ODP and GWP of HFC’s?

Answer 4

no ozone depletion, higher gwp

Question 5

what is the ODP and GWP of HFO’s?

Answer 5

no ozone depletion, low gwp

Question 6

What is the ODP and GWP of HC’s?

Answer 6

no ozone depletion, low gwp

Question 7

R-11 and R-12 are examples of…

Answer 7

CFCs

Question 8

R-22 and R-142B are examples of…

Answer 8

HCFCs

Question 9

R134A is an example of…

Answer 9

HFCs

Question 10

R1234-yf is an example of…

Answer 10

HFOs

Question 11

methane, propane, butane, methane are examples of…

Answer 11

HCs

Question 12

(Page 6) How is O3 formed?

Answer 12

UV radiation. It splits O2 into O, then O atoms bond with O2 molecules to form O3.

Question 13

(Page 6) What are the 4 main elements that destroy ozone?

Answer 13

nitrogen, hydrogen, chlorine, and bromine.

Question 14

(Page 6) how is the Earth’s ozone divided between the troposphere and stratosphere?

Answer 14

90% in stratosphere, 10% in troposphere.

Question 15

(Page 7) Why is ozone depleted at the poles than at the equator?

Answer 15

because of the colder temperatures

Question 16

(Page 8) What’s the difference between UV-a, UV-b, and UV-c?

Answer 16

UV-a : 5% filtered by O3, less intense.

UV-b : 95% filtered by O3, more intense.

UV-c : 100% filtered by O3, most intense.