Refrigeration & Air Conditioning Mechanic Red Seal · Question
When evacuating a refrigeration system, what is the recommended final vacuum level (in microns) to ensure all non-condensable gases and moisture are removed?
A vacuum level of 500 microns (0.5 Torr) or lower is generally recommended to effectively remove moisture and non-condensable gases from a refrigeration system.
Start free practice for Refrigeration & Air Conditioning Mechanic Red Seal
500 questions · no signup required · 40 free questions per day
Question: When evacuating a refrigeration system, what is the recommended final vacuum level (in microns) to ensure all non-condensable gases and moisture are removed?
Answer options:
- 250 microns ✅ 500 microns
- 1000 microns
- 2500 microns
Correct answer: 500 microns
Explanation: A vacuum level of 500 microns (0.5 Torr) or lower is generally recommended to effectively remove moisture and non-condensable gases from a refrigeration system.
Start free practice for Refrigeration & Air Conditioning Mechanic Red Seal
500 questions · no signup required · 40 free questions per day
More about Refrigeration & Air Conditioning Mechanic Red Seal
Related Questions
- 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
- Which type of electric motor requires a capacitor for starting and running, offering higher efficiency and bet
- When evacuating a refrigeration system, what is the recommended deep vacuum level, typically measured in micro
More for Refrigeration & Air Conditioning Mechanic Red Seal candidates
FAQs
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
Ready to practice?
Free, no signup required. Build a wrong-question list as you go.
Start Free Refrigeration & Air Conditioning Mechanic Red Seal Practice →Related courses
Other Canadian certifications candidates often prepare for alongside this one.