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“Heat transferred from the bowl of the spoon to the handle” is an example of which of the following way of heat transfer?(a) Conduction(b) Convection(c) Radiation(d) FiltrationThis question was addressed to me in quiz.Question is taken from Heat Exchangers in division Building Blocks of Dairy Processing of Dairy Engineering

Answer»

Right answer is (a) CONDUCTION

Best explanation: Conduction means a transfer of THERMAL energy through SOLID bodies and through layers of liquid at rest (without physical flow or mixing in the direction of heat transfer). The QUESTION shows an example of heat conduction to a TEASPOON in a cup of hot coffee. Heat is transferred by conduction to the handle, which becomes warmer.



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