Refrigeration & Air Conditioning Mechanic Red Seal · Question
What electrical component is used to limit the current flow in a circuit and provides overload protection?
A circuit breaker is designed to trip and open a circuit when current exceeds a safe level, protecting wiring and equipment from overload.
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Question: What electrical component is used to limit the current flow in a circuit and provides overload protection?
Answer options:
- Resistor
- Capacitor
- Inductor ✅ Circuit breaker
Correct answer: Circuit breaker
Explanation: A circuit breaker is designed to trip and open a circuit when current exceeds a safe level, protecting wiring and equipment from overload.
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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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