Refrigeration & Air Conditioning Mechanic Red Seal · Question
Which device uses a bimetallic strip to open or close contacts based on temperature changes?
Many common thermostats utilize a bimetallic strip that bends with temperature changes to operate electrical contacts for control.
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Question: Which device uses a bimetallic strip to open or close contacts based on temperature changes?
Answer options:
- Capacitor
- Relay
- Thermocouple ✅ Thermostat
Correct answer: Thermostat
Explanation: Many common thermostats utilize a bimetallic strip that bends with temperature changes to operate electrical contacts for control.
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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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