The Principle used to dissipate the heat from water to atmosphere via Radiator in the sequence is ______and ______(a) radiation and Conduction(b) radiation and Convection(c) conduction and Convection(d) convection and RadiationThis question was addressed to me in an interview.Query is from Methods of Cooling topic in division Cooling System of Automotive Engine Design

The Principle used to dissipate the heat from water to atmosphere via

1.	The Principle used to dissipate the heat from water to atmosphere via Radiator in the sequence is ______and ______(a) radiation and Conduction(b) radiation and Convection(c) conduction and Convection(d) convection and RadiationThis question was addressed to me in an interview.Query is from Methods of Cooling topic in division Cooling System of Automotive Engine Design
Answer» Correct choice is (c) conduction and CONVECTION To explain: Conduction occurs when the engine gets heated up and the heat is transferred from the combustion chamber to the WATER jacket where the water absorbs the heat. Convection takes place when the water becomes dense by ABSORBING the heat and which becomes LESS dense once it is passed through the radiator.

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