Refrigeration & Air Conditioning Mechanic Red Seal · Question
Which safety device protects against excessive internal compressor temperature due to motor winding overheating?
The internal thermal overload switch is embedded in the motor windings to sense and protect against overheating directly within the compressor.
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Question: Which safety device protects against excessive internal compressor temperature due to motor winding overheating?
Answer options: ✅ Internal thermal overload.
- High-pressure switch.
- Low-pressure switch.
- Oil safety control.
Correct answer: Internal thermal overload.
Explanation: The internal thermal overload switch is embedded in the motor windings to sense and protect against overheating directly within the compressor.
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- 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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