Refrigeration & Air Conditioning Mechanic Red Seal · Question
If an electrical circuit breaker trips repeatedly, what is the most common immediate cause to investigate?
Circuit breakers are designed to trip when there's an overcurrent due to an overload or a short circuit to protect the wiring and equipment.
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Question: If an electrical circuit breaker trips repeatedly, what is the most common immediate cause to investigate?
Answer options: ✅ An overcurrent or short circuit.
- Low voltage at the power supply.
- A faulty thermostat setting.
- Improper grounding of the equipment.
Correct answer: An overcurrent or short circuit.
Explanation: Circuit breakers are designed to trip when there's an overcurrent due to an overload or a short circuit to protect the wiring and equipment.
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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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