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प्रश्न
Explain, why is water used as a coolent in motor car radiators?
टीपा लिहा
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उत्तर
Water has the highest specific heat capacity of 4.2 Jg-1 °C-1 and its temperature does not rise beyond 100°C. Thus, it can absorb large amount of heat from the working engine, which is then radiated out through radiator Thus, on low temperature the engine works efficiently.
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