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15. Thermal energy from a fire moves up through a chimney by:

A. conduction
B. convection
C. radiation
D. both convection and radiation
E. both conduction and convection

Answer :

Final answer:

Thermal energy from a fire moves up through a chimney mainly by convection and radiation. Convection involves hot air rising, while radiation allows heat to move through space. Conduction plays a minimal role in this process.


Explanation:

Understanding Heat Transfer in a Chimney

Thermal energy from a fire moves up through a chimney primarily by convection and radiation. Convection occurs when hot air from the fire rises and is replaced by cooler air from the surrounding environment. This movement of air creates a convection current which helps to carry the heat up the chimney.

Additionally, radiation also plays a significant role in this heat transfer process. The fire emits thermal energy in the form of infrared radiation, which can travel through space and warm up the surrounding area, including the chimney. While conduction does occur, it is relatively slow compared to convection and radiation.

Summary of Heat Transfer Methods

  • Convection: Hot air rises through the chimney.
  • Radiation: Heat is emitted from the fire as infrared radiation.
  • Conduction: Heat transfer through contact is minimal in this scenario.

Learn more about Heat Transfer here:

https://brainly.com/question/41507218


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