Questions and CORRECT Answers
Chlorofluorocarbon (CFC) refrigerants consist of: - CORRECT ANSWER - Chlorine,
Fluorine, Carbon
What causes a CFC molecule to break down once it reaches the upper atmosphere? - CORRECT
ANSWER - Ultraviolet light
The Ozone layer: - CORRECT ANSWER - Reduces ultraviolet radiation.
Hydrochlorofluorocarbon (HCFC) refrigerants consists of: - CORRECT ANSWER -
Hydrogen, Chlorine, Fluorine, Carbon.
Which of the following refrigerants causes the least amount of damage to the ozone layer? -
CORRECT ANSWER - R-134a
Are there any fluorocarbon refrigerants that cause no harm to stratospheric ozone? - CORRECT
ANSWER - Yes, HFC's
Which of the following is not a direct result of ozone depletion? - CORRECT ANSWER -
Increased incidence of smog
There are two environmental issues relating to refrigerants; one is ozone-depletion and the other
is: - CORRECT ANSWER - The effect on global warming.
Are there any other chemicals, besides refrigerants, that damage the ozone layer? - CORRECT
ANSWER - Yes, the Bromine in a Halon fire extinguisher system is more damaging.
, The ODP Certification obtained from another province is accepted in Ontario: - CORRECT
ANSWER - When it is recognized by the Ministry of the Environment
A vehicle may not be refilled with CFCs under any circumstance. However already contained
CFCs can continue to be used in the air-conditioning system if the air conditioning system was
installed in a motor vehicle on or before what date? - CORRECT ANSWER -
December31, 1994
When servicing refrigeration or air conditioning equipment on Federal property within Ontario, a
service technician must: - CORRECT ANSWER - FoIIow both Ontario and federal
regulations.
The production, import and export of virgin HCFC refrigerants by Canada is presently legislated
to end by: - CORRECT ANSWER - January 1, 2020
The refill of CFCs or HCFCs for mobile air conditioner is - CORRECT ANSWER - Not
allowed
A person who services a refrigeration/air conditioning system that contains or may have
contained a CFC/HCFC/HFC, must conduct the leak testing in accordance with: - CORRECT
ANSWER - The Code of Practice for the Elimination of the Fluorocarbon Emissions from
Refrigeration and Air Conditioning Systems.
Ontario Regulation 463/10 applies to refrigerants containing: - CORRECT ANSWER -
Hydrofluorocarbons, Chlorofluorocarbons, and Hydrochlorofluorocarbons.
How many refrigerants are recommended to be transported in the same recovery cylinder? -
CORRECT ANSWER - One.
To ensure that the vacuum pump performs adequately, the ____________ vacuum must be
changed on a regular basis. - CORRECT ANSWER - Oil