Refrigeration & Air Conditioning Mechanic Red Seal · Question
Triple-evacuation pulls vacuum to:
Deep vacuum standard.
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Question: Triple-evacuation pulls vacuum to:
Answer options: ✅ ≤ 500 microns to remove moisture/NCG
- Atmosphere
- No need
- Positive pressure
Correct answer: ≤ 500 microns to remove moisture/NCG
Explanation: Deep vacuum standard.
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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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