Which of the following processes DOES NOT occur during the convective transfer of heat within a container of air? Group of answe

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Which of the following processes DOES NOT occur during the convective transfer of heat within a container of air? Group of answe

r choices The cooler portion of the air surrounding a warmer part exerts a buoyant force on it. The flow of air molecules results in a flow of heat. As the warmer part of the air moves, it is replaced by cooler air that is subsequently warmed. A continuous flow of warmer and cooler parts of air is established. The volume of a warmed part of the air is reduced and its density increases.

Physics

1 answer:

vovangra [49] · Answer 1 · 2021-12-25T19:33:02+03:00

The volume of a warmed part of the air is reduced and its density increases.

Explanation:

In a convective form of heat transfer, the volume of a warmed part of air is not reduced and its density does not increase.

During convection, heat causes the warm part of the air to expand and its volume increases. When volume increases, density is reduced.

Convection is a form of heat transfer that involves the actual movement of particles of the medium.
It usually occurs in fluids i.e gases and liquids.
In convection, the cold part exerts a buoyant force on the warmer air below and causes it to rise.
As the warmer part is rising the cooler part replaces it and a convective cell is formed in the process.

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