Why the car radiators is painted black?
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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. Answer: ... This improves the heat transfer out of the radiator when air isn't moving through the radiator.
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The heat generated by the engine is efficiently radiated due to the dull black pain. Answer: Car radiators are painted black because it emits the most heat through radiation (highest emissivity). This improves the heat transfer out of the radiator when air isn't moving through the radiator.
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