Refrigeration & Air Conditioning Mechanic Red Seal · Question
Which component is responsible for sensing the evaporator coil temperature to control superheat in a TXV system?
The thermal bulb, attached to the suction line near the evaporator outlet, senses the refrigerant's temperature and transmits it to the TXV power head.
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Question: Which component is responsible for sensing the evaporator coil temperature to control superheat in a TXV system?
Answer options: ✅ Thermal bulb
- Distributor
- Power head
- Equalizer line
Correct answer: Thermal bulb
Explanation: The thermal bulb, attached to the suction line near the evaporator outlet, senses the refrigerant's temperature and transmits it to the TXV power head.
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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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