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Discussion :: Heat and Mass Transfer

  1. When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by

    2. A.

     Conduction
    B.

     Convection
    C.

     Radiation
    D.

     Conduction and convection

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    Answer : Option A

    Explanation :

    Conduction transfers heat via direct molecular collision. An area of greater kinetic energy will transfer thermal energy to an area with lower kinetic energy. Higher-speed particles will collide with slower speed particles. The slower-speed particles will increase in kinetic energy as a result.

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