How does dichlorodifluoromethane help to keep the temperature in a refrigerator down to freezing temperature?

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All refrigerants remove and reject heat in the same way they just do so at different temperature and pressure relationships, for example, water at sea level "boils" or changes state at or above 212F, we can control the boiling point by adding or reducing the pressure exerted upon it. Water in a 30" vacuum will "boil" at room temperature. We can increase the boiling point or temperature by increasing pressure above ambient which is how an autiomotive radiator operates, the radiator cap holds 3 to 12 lbs of pressure and this determines the boiling point. Refrigeration works this same way, R 22 refrigerant at 70 psi will always be at 40F and above or below t will boil or condense. Refrigerant "boils" to remove heat and "condenses" to reject the heat outdoors.

At what temperature is it necessary to turn on the pump to keep pipes from freezing?

You answered you own question: at freezing. At or near 32 degrees F your pump should be turned to keep water moving. moving water doesn't freeze. It is important that any exposed pipes, filter and pump have moving water at freezing as this water will freeze first and cause the item to crack. That's (MORE)

What is the proper temperature for a refrigerator?

Various Answers . The refrigerator should be at about 35°F (1.6°C) which is above freezing, so your milk won't freeze. . The refrigerator should be set between 40°F and 34°F (~4.4°C to 1.1°C). The closer it gets to freezing (32°F or 0°C), the longer the food will keep. Som (MORE)

Temperature of freezing?

Each material has a different melting point (this term is preferred to freezing). See an encyclopedia for values.

What is the typical temperature of a household refrigerator?

The ideal refrigerator temperature range is 1°-4.5°C (34°-40°F) . Bacterial and mold growth are considerably slowed down at these temperatures, thus retarding food spoilage. Since water freezes at 0°C (32°F), this prevents fresh foods from freezing, although when the temperature is (MORE)

Freezing temperature of water?

The freezing point of water depends on its contents and theenvironment. Mostly pure water uses the tiniest of impurities toform the ice crystal structure, which occurs naturally at about 32degrees Fahrenheit or 0 degrees Celcius. However, things like airpressure and the contents of the water can cha (MORE)

What temperature should a refrigerator be maintained at?

The ideal refrigerator temperature range is 1°-4.5°C (34°-40°F) . Bacterial and mold growth are considerably slowed down at these temperatures, thus retarding food spoilage. Since water freezes at 0°C (32°F), this prevents fresh foods from freezing, although when the temperature is (MORE)

What is the temperature for freezing?

It is easy for everyone to know. Water freezes at 0 degrees Celsius. (if that's how you spell it). The temperature is very cold, so it freezes the water.

How does sweating help keep your body temperature constant?

Sweating is a homeostatic mechanism that allows us control our body temperature. Suppose during peak metabolic activity, one's body T rises significantly. Since water (sweat) has many properties including high capacity to absorb heat without increasing much in T, sweat in a way transports this exces (MORE)

What is temperature is freezing temperature?

It depends on what exactly you want to freeze. Every substance has a different freezing temperature. The freezing temperature of pure distilled water is 32 degrees Fahrenheit or 0 degrees Celsius.

What is the the temperature of a refrigerator?

The ideal refrigerator temperature range is 1°-4.5°C (34°-40°F) . Bacterial and mold growth are considerably slowed down at these temperatures, thus retarding food spoilage. Since water freezes at 0°C (32°F), this prevents fresh foods from freezing, although when the temperature is (MORE)

What is the best temperature for a refrigerator and freezer?

34°F - 40°F is the ideal refrigerator temperature range. Some Web sites just say under 40°F, but not so cold to freeze fresh foods. Dairy products and meats keep best at the low end of the temperature range. A freezer should be set at 0°F, or lower, if possible. If the temperature get (MORE)

What is the normal refrigerator temperature?

Refrigerators help to keep foods fresher for longer. It is important to keep the fridge cold, but not too cold, so that things begin to freeze. The normal temperature should be somewhere between 35 and 38 degrees F depending on your preference.

Temperature gauge keeps going up and down?

Temperature gauge reads signals off the coolant temperature sensor. It can also point to a faulty thermostat. If your car runs rough in cold, idles rough and uses up more fuel then coolant temperature sensor is your problem. They are normaly a cheap and easy diy to do.

Why is temperature controlled in refrigerators?

simply to keep food fresh. If the fridge's temp is too high, food will warm to room temperature and go off faster. Too cold, then the food will freeze! Everytime you open the fridge door you are letting room temperature air inside, increasing the temperature of the air inside the fridge, therefore t (MORE)

What is the definition of critical Temperature of a Refrigerant?

the temperature which occupied to liquefy the gas at its critical pressure and critical volume ,it is represented by Tc. --------------------------------------------------------------------------------------------- Rafaelrz. The Critical Temperature of a fluid is the maximum temperature at which i (MORE)

What it the temperature in normal refrigerator?

Емили Катрин Фуга 26-ти февруари 1995 год. Емили Фугата е невероятно schollar и schoolperson. Тя присъства erjkger (MORE)

Does refrigerator affect temperature of room?

A refrigerator is a "heat pump." That is, it pumps heat out of a cold area (inside) to a warm area (the room). Thus, when working at its best, a refrigerator is a heater. However, the laws of thermodynamics assures us that it will always use more energy than it puts to work, so that extra energy wil (MORE)

How does dry ice help keep the temperature low?

­ ­Dry ice is frozen carbon dioxide. A block of dry ice has a surface temperature of -109.3 degrees Fahrenheit (-78.5 degrees C). Dry ice also has the very nice feature of sublimation -- as it breaks down, it turns directly into carbon dioxide gas rather than a liquid. The super-cold tempe (MORE)

How does turning temperature down help global warming?

Turning the settings down on air conditioners means that less electricity is used. Most of our electricity comes from burning fossil fuels which release carbon dioxide, a powerful greenhouse gas. So reducing the heating and cooling in our houses and workplaces helps reduce global warming.

How does freon help to keep the temperature in a refrigerator down to keep the to freezing temperature?

The refrigerant itself doesn't do all of the work... heat and humidity is also drawn out of the passenger compartment by components of the AC system. In a nutshell, the refrigerant absorbs heat drawn from the passenger compartment, and cycles through the AC system. It is pressurized, which causes it (MORE)

How do you adjust the temperature to colder in a refrigerator?

It depends on the refrigerator - instructions differ by brand and model. There is usually a circular dial or a digital display on the top of the fridge. Turning the dial downwards or pressing the minus (-) button reduces temperature. Without knowing the brand and model, that's all the information (MORE)