Heat and Mass Transfer

Heat transfer in liquid and gases takes place by_____.

  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. Conduction and convection
Answer: Option B.
Explanation:

When a fluid, such as air or a liquid, is heated and then travels away from the source, it carries the thermal energy along. This type of heat transfer is called convection.

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