Refrigeration & Air Conditioning Mechanic Red Seal · Question
Which component is represented by the symbol of two parallel lines with a gap and an arrow crossing them diagonally in an electrical diagram?
The symbol of two parallel lines with a gap and an arrow crossing them diagonally typically represents a variable resistor, also known as a potentiometer or rhe
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Question: Which component is represented by the symbol of two parallel lines with a gap and an arrow crossing them diagonally in an electrical diagram?
Answer options:
- A fuse
- A normally open push button ✅ A variable resistor (potentiometer)
- A capacitor
Correct answer: A variable resistor (potentiometer)
Explanation: The symbol of two parallel lines with a gap and an arrow crossing them diagonally typically represents a variable resistor, also known as a potentiometer or rheostat, indicating a component whose resistance can be adjusted.
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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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