The radiator of a car is painted back . Why?
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Car radiators are painted dull black because black color is both good absorber and good radiator of heat. The heat generated by the engine is efficiently radiated due to the dull black pain.
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Answer: Car radiators are painted dull black because black color is both good absorber and good radiator of heat. The heat generated by the engine is efficiently radiated due to the dull black pain. ... This improves the heat transfer out of the radiator when air isn't moving through the radiator.
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