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Heat energy is transferred through the
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ACTIVITY 1. How Heat Energy is being transferred through the following situations? Writer
for Conduction, CVT for Convection and RDT for Radiation on the space before the number
2. Cool air coming from an air conditioner
3. Heat coming from a bonfire
4. Metal spoon becomes hot when you dip it in a hot water
1. Ironing clothes
5. Steaming cup of hot tea​

Sagot :

1. How Heat Energy is being transferred through the following situations? Writer for Conduction, CVT for Convection and RDT for Radiation on the space before the number?

ANSWER:

Conduction: The smoother the surface, the better is the heat transfer. Air gaps between the heater and the surface to be heated can reduce heater performance.

Convection: heat transfer between heat a surface and adjacent fluid and by the flow of fluid from one place to another, induced by temperature

Radiation: it's the transfer of thermal energy through matter of space by electromagnetic wave.

2. Cool air coming from an air conditioner

Answer: The air coming out should be 14 to 20 degrees cooler than the air going in. An air conditioner that's not cooling to those levels could be low on refrigerant or have leaks. A unit cooling more than 20 degrees could have a severe blockage.

3. Heat coming from a bonfire

Answer:  

4. Metal spoon becomes hot when you dip it in a hot water

Answer: if a metal spoon is dipped into a cup of hot water, the end of the spoon soon feels warm. Heat is transferred along the spoon by conduction. When a point on an object is heated, the molecules there vibrate more strongly. Conduction is the transfer of these vibrations within the material.

1. Ironing clothes

5. Steaming cup of hot tea​Answer: 1.

Explanation:

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