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Why is the ice compartment placed at the upper portion of a refrigerator and nit at the lower portion?
Wiki User
∙ 13y ago
Because melting immediately this below placed and you can't immediately eat and Another Good Look increases.
Prenciss ann Flores
Wiki User
∙ 13y agobecause it looks nice
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How do hourglasses work?
they work by using the sand in it.when sand goes to the lower compartment. when it comes to the lower compartment fully one hour is over.
Why is a freezer compartment at the top of a refrigerator?
The cooling element in freezers is at the top in order to keep it its coolest. This is because in a freezer or fridge the heat travels using thermal convection. In your kettle you have a the heating element at the bottom so the water particles are less dense and rise upwards beofore cooling at the top and becoming colder denser particles that then replace thehot particles at the bottom. This cycle carries on....however in a fridge or freezer you want the particles to be colder and denser so the cooling element is at the top so it allows the particles rise then to cool faster at the top. Its basically the reverse of what you have in your kettle, that allows you to boil your water!
How is a refrigerator an example of a heat mover?
Normally, heat moves from a higher temperature to a lower temperature. Devices that use work to move heat are called heat movers. A refrigerator is an example of a heat mover because it takes the heat from inside of the refrigerator and moves it to the outside. The 2nd law of thermodynamics allows this to occur if work is done in the process. A refrigerator does work as it moves the heat from inside the refrigerator to the warmer room.
Why is a refrigerator a heat mover?
Because energy can't be taken away (except with fusion of atoms larger then iron, which is impractical for a refrigerator). This means the energy, the heat, has to be moved to another place for one place become lower in temperature.
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The refrigerator temperature control(s) is set to high. The refrigerator may have one or two controls.If it has only one control, it is used for the freezing(freezer) compartment andthe refrigerated(non-freezing) compartment as well. Simply lower the dial until the lower refrigerator stops freezing food but not so low that the freezer(upper) compartment stops freezing.If it has two controls, they should be labeled. One is for the upper(freezer)compartment and the other is for the lower(Non freezing/refrigerator) compartment. Turn down only the control for the lower(refrigerator)compartment until the food stops freezing.
Why are freezer on top of fridge?
One possible reason is because of the size of the freezer compared to the size of the refrigerator portion. If the refrigerator portion were placed over the freezer, then you would have to kneel down to use the freezer. Another part of it could pertain to convection. Cold air tends to circulate down. So with the right amount of gap between the freezer portion and the rest, just enough cold air can flow down to cool the refrigerator. So the evaporator coils are only in the freezer and yet can cool the entire unit. If the evaporator coils were on the bottom, then only the lower portion of the refrigerator would be cool since heat rises, and some of the cavity space would be wasted. So for simplicity and efficiency, the coils are placed on top and that this area is made the freezer. So they cool only the freezer and have a small opening to let the cold air come down (or warm air to come up to be more accurate) to reach the 34-38 degrees Fahrenheit needed for the refrigerator. Sometimes there is an adjustable damper there. The thermostat is just for the refrigerator in most cases, since if the refrigerator is within proper range, the freezer would be too, all because of the design. On those with a control for the freezer, that control generally moves a little damper (door). So the colder you set the freezer, the harder you are making the refrigerator portion to cool. Since the actual thermostat is located in the refrigerator section, the longer the compressor must run to make that compartment the proper temperature when you close the damper (by setting the freezer control colder).
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