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Q: What is a heat sink and what does it do in the system unit?
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What component is under the fan and heat sink?

A central processing unit (CPU), is under the fan and heat sink. The processor creates a lot of heat as it works, and would soon burn-out if not cooled.


What is a combination heat sink and cooling fan?

It's quite literally a combined heat sink and fan. It's used to help keep a CPU -- Central Processing Unit -- from over heating.


What is the function of a processor heat sink?

To sink the heat.


What is a heat sink and what is it used for?

Anything that creates heat that is surplus to requirements. Examples in electronic engineering would be microchips such as CPUs. An internal combustion engine APEX :)


Why is a sink called a sink?

Probably because it draws/absorbs the heat making the heat "sink" into it


How does a heat sink work in the power supply?

A heat sink works on the principle of thermal transfer. The heat sink transfers heat from the chip to the air, wicking heat away.


Is water a type of heat sink?

Yes! Water is a heat sink.


What is the unit for heat?

The metric unit for heat is the calorie - the heat required to raise 1 gram of water by 1 deg C. In the SI unit system it would be the kilocalorie - the heat to raise 1 kg by 1 degC


Why is it called a heat sink?

Probably because it draws/absorbs the heat making the heat "sink" into it


What goes between a CPU and heat sink?

Heatsink compount or special heat pad. The reason for this is to form a tight thermal bond between the processor (CPU = Central Processing Unit) and heatsink for the best transfer of heat away from the CPU.


Does the fan outside on the unit have to work for the central heating unit?

is it really run ning or is it possible that you have a heat pump system and it is the heating portion of the system operating?


How does heat capacity makes water a good heat sink?

If a body of water has a high heat capacity, it can store more thermal energy making it a good heat sink.