FREE ODP Regulations and Safe Handling Practices Questions and Answers

Question 1

The complete phase-out deadline of R-22 is by ______ in developed countries:

Accepted Answer

January 1, 2020

Answer

January 1, 2028

Answer

January 1, 2030

Answer

January 1, 2025

Question 2

Halons used in fire extinguishers contain ______ atoms:

Accepted Answer

Bromine

Answer

Hydrogen

Answer

Nitrogen

Answer

Chlorine

Question 3

CFCs have atmospheric lifetimes ranging from over ______.

Accepted Answer

50 to 100 years

Answer

100 to 150 years

Answer

25 to 50 years

Answer

10 to 25 years

Question 4

The average ozone concentration in Earth's atmosphere as a whole is only about ______ parts per million:

Accepted Answer

0.3

Answer

0.8

Answer

0.1

Answer

0.5

Question 5

The ozone layer absorbs the sun's which of following radiation and prevents it from falling on the earth's surface:

Accepted Answer

UV radiation

Answer

Gamma radiation

Answer

X-rays radiation

Answer

Infrared radiation

Question 6

The ozone layer is mainly found at _______ above the surface of the earth.

Accepted Answer

6 to 30 miles

Answer

20 to 40 miles

Answer

60 to 80 miles

Answer

40 to 60 miles

Question 7

UV radiation can cause which of the following more significantly:

Accepted Answer

Skin cancer

Answer

Nervous disorder

Answer

Heart attack

Answer

Loss of vision

Question 8

Which one of the following is the largest ozone depletion substation that is emitted through the activities of humans:

Accepted Answer

Nitrous oxide

Answer

Atomic Bromine

Answer

Atomic chlorine

Answer

Carbon monoxide

Question 9

What types of compounds can damage the Earth's ozone layer?

Accepted Answer

Chlorofluorocarbons

Answer

Carbon dioxides

Answer

Pesticides

Answer

None of the above.

Question 10

Scientists predict that the ozone layer will return to pre-1980 levels by ______ :

Accepted Answer

2060 to 2075

Answer

2150 to 2200

Answer

2100 to 2120

Answer

2030 to 2060