A/C testing and service - part B 403cB

Question 1

What percentage of all ozone is concentrated in the stratosphere?

Answer 1

90%

Question 2

List four (4) negative occurrences that have been identified with the thinner ozone layer by scientific data.

Answer 2

• increase in skin cancers
• suppression of human immune response system
• increase in eye cataracts
• damage to agricultural crops
• increase in ground-level ozone
• increase in global temperatures.

Question 3

The international treaty that controls the elimination and phase out of CFC and HCFC refrigerants is the:

Answer 3

Montreal Protocol.

Question 4

An approved refrigerant container is a storage cylinder that conforms to the specifications of the:

Answer 4

Canadian Transport Commission (CTC).

Question 5

R134a refrigerant has an ODP (ozone depleting potential) of:

Answer 5

zero (0)

Question 6

You __________ refrigerant when you remove it from an air conditioning system in order to repair or replace a component.

Answer 6

recover

Question 7

You __________ a refrigerant when you remove contaminates such as moisture, acidity, and particulate matter.

Answer 7

recover

Question 8

You __________ a refrigerant when you send it to an outside facility, which can restore it to a new product specification.

Answer 8

reclaim

Question 9

You _________ refrigerant when you recharge an air conditioning system with recovered refrigerant.

Answer 9

reuse