313A Refrigerants & Environmental Regulations

Question 1

Under the Canadian Environmental Protection Act (CEPA), which federal regulation specifically controls ozone-depleting substances (ODS) in Canada?

Accepted Answer

The Ozone-depleting Substances and Halocarbon Alternatives Regulations (ODSHAR)

Answer

The Refrigerant Management Canada Regulation

Answer

The Montreal Protocol Domestic Implementation Act

Answer

The Greenhouse Gas Pollution Pricing Act

Question 2

What is the ozone depletion potential (ODP) of R-22 (HCFC-22)?

Accepted Answer

0.034

Answer

0

Answer

0.05

Answer

1.0

Question 3

Under the Montreal Protocol, which class of refrigerants was phased out first due to the highest ozone depletion potential?

Accepted Answer

CFCs (chlorofluorocarbons)

Answer

HFCs (hydrofluorocarbons)

Answer

HCFCs (hydrochlorofluorocarbons)

Answer

Natural refrigerants (ammonia, CO2)

Question 4

What refrigerant has completely replaced R-22 in new Canadian residential air conditioning equipment?

Accepted Answer

R-410A

Answer

R-134a

Answer

R-407C

Answer

R-404A

Question 5

What does GWP (Global Warming Potential) measure for refrigerants?

Accepted Answer

The relative contribution of the refrigerant to greenhouse warming compared to CO2 over 100 years

Answer

The refrigerant's ability to absorb heat in the evaporator

Answer

The operating pressure range of the refrigerant

Answer

The toxicity level of the refrigerant

Question 6

In Canada, who must be certified to purchase and handle refrigerants containing ODS or HFCs above certain thresholds?

Accepted Answer

Technicians certified under the Refrigerant Management Canada (RMC) certification program

Answer

Any licensed electrician

Answer

Only engineers registered with Professional Engineers Ontario

Answer

Any HVAC company with a provincial business licence