Alyssa943
Answered

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Air-conditioning principles are being discussed.

Technician A says that heat always travels from hot to cold.

Technician B says that convection is heat that travels through solids.

Who is correct?

Sagot :

GinnyAnswer

Final answer:

Technician A is correct as heat travels from hot to cold. Convection is the transfer of heat via the movement of a fluid like air, not necessarily requiring solids. Heat pumps illustrate how energy can be conveyed from colder to warmer environments.


Explanation:

Technician A is correct. Heat always travels from hot to cold areas based on the principle of heat transfer. This is evident in air-conditioning systems where in hot weather, heat moves from inside to outside, cooling the room.

Convection is the transfer of heat through the mass movement of a fluid like air. It involves upward movement of warm air, creating a convection current that helps in heat transfer. Convection does not require solids to be the medium for heat transfer.

Heat pumps, for instance, move heat from colder areas to warmer ones, contrary to the direction of natural heat flow, conveying energy as they function.


Learn more about heat transfer, convection, heat pumps here:

https://brainly.com/question/43235784


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