Refrigeration & Air Conditioning Mechanic Red Seal · Question
Which type of heat transfer primarily occurs when radiant energy from the sun warms a dark-coloured roof?
Radiation is the transfer of heat through electromagnetic waves, which is how the sun's energy travels through space to warm objects on Earth.
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Question: Which type of heat transfer primarily occurs when radiant energy from the sun warms a dark-coloured roof?
Answer options:
- Conduction
- Convection ✅ Radiation
- Evaporation
Correct answer: Radiation
Explanation: Radiation is the transfer of heat through electromagnetic waves, which is how the sun's energy travels through space to warm objects on Earth.
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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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