Refrigeration & Air Conditioning Mechanic Red Seal · Question
What is the Montreal Protocol primarily concerned with phasing out?
The Montreal Protocol is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances responsible for ozone
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Question: What is the Montreal Protocol primarily concerned with phasing out?
Answer options: ✅ Ozone-depleting substances
- Greenhouse gases
- Ammonia refrigerants
- Hydrocarbon refrigerants
Correct answer: Ozone-depleting substances
Explanation: The Montreal Protocol is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances responsible for ozone depletion.
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Question explanations
- Which of the following refrigerants is a hydrofluorocarbon (HFC) and has a high ozone depletion potential (ODP
- Which component is responsible for compressing the refrigerant vapour to a high pressure and temperature?
- According to the Canadian Electrical Code (CEC), what is the minimum required working clearance in front of el
- What is the main operating characteristic difference between a fixed orifice (capillary tube) and a Thermostat
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