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Refrigerators

Does the light really go out when we close the door? From the early icebox to the modern built-in frost-free stainless steel double door works of art, refrigerators have improved greatly over the years, and we seldom think about them until they don't work right. From cleaning methods to repairs, this category is the place to get advice and answers to your questions about refrigerators.

3,286 Questions

What is the typical temperature of a household freezer?

Your freezer should be set at −18 °C (0 ºF) or lower, but definitely not above −10 ºC (14 ºF).

Ice cream will start to soften between −14 °C (6 °F) and −12 °C (10 °F) (well for serving, but not for longer storage). Some yeasts can start to grow around 15°F. Freezing does not kill bacteria but can slow their growth and keep food edible for much longer.

A industrial freezer should be set at around −21 °C (−6 °F). A colder freezer renders frost fine so as not to break up cells and speed evaporation, and a fuller freezer stays at temperature longer and with smaller power consumption.

at least 32 degrees or below Fahrenheit, because this is the freezing point of water. most manufacturers recommend setting the freezer at 0 degrees

Why does the whole ham package have a use by date of 2 months when you say whole ham only lasts 3 to 7 days in the refrigerator?

The date on the package applies only if it is unopened and stored under the conditions specified on the package. As soon as it is opened, the shelf life is greatly reduced.

A can of mushroom soup might have a "best by" of a year from now. But if I open it today, there is no way that I would expect it to remain good for a year.

How quickly must frozen chicken be eaten once placed in refrigerator to thaw?

This is a proper way to thaw meats. If the meat is cooked,you can wait to eat this up to 5 days. If the meat is raw, you can wait 3 to 4 days.

The cooling effect inside a refrigerator is produced by?

Normally it is a result of heating and pressurizing a liquid using a compressor, then cooling it down using a condenser (the coils) and finally letting the cooled and pressurized liquid pass through an expansion valve (a small hole) where it vaporizes in the lower pressure and absorbs the heat inside the refrigerator.

Does corn lose taste and nutrients when stored in fridge?

As the corn grows older, it loses nutrients and goes through flavor changes. It will retain them longer if it is refrigerated.

How long can keep defrosted lobster in the fridge?

This food will keep for about 1 to 2 days in the refrigerator. Place the food in an air tight container for the best results. This food can easily be transferred to the freezer for longer storage time.

How does freon work?

Lecture: (the answer you are looking for is below)

Freon is no longer freon it is now known as refrigerant, the original Freon hasn't been in use for decades. Freon was a brand name.

Refrigerant cycle:So we have a pure gas, at room temperature and pressure a gas.

If we compress the gas we get a hot gas that occupies less space.

We then cool the hot gas and this turns the gas into a liquid. We use a "condenser" (special high pressure radiator on a car or air conditioner) to do this.

Then the cool high pressure liquid goes to one of two types of "expansion" devices:

  1. Most AC systems (not all) use a pilot tube or orifice
  2. Some Dodge cars and trucks as well as large buses etc use a specialised expansion valve

These two devices both spray the cool liquid into a evaporator ( a special radiator again) that is maintained at low pressure, this causes the liquid to boil and vaporise. Making the evaporator very cold.

The refrigerant gets warmed by what ever we are trying to cool (EG: the air inside of your car)

Once the gas is warm it travels back to the compressor to start over again

Other uses:Basically this heat pump technology is used on refrigerators, AC systems of all sizes, heat and cool heat pump systems, Highway truck refrigerated trailers, The space shuttle and so many more.

How long does cooked string beans stay good if not in the refrigerator?

Cooked string beans should not be left unrefrigerated for more than two hours, or only one if the ambient temperature is very warm.

How long will cooked lasagne keep in refrigerator?

48 hours max in a cold fridge

Cold is a relative term. The safe temperature is BELOW 40F on a GOOD thermometer made for refrigerators.

What was the John Standard refrigerator invention?

John Standard, African-American inventor, invented patented improvements to the early refrigerator. Please see Related Link for more information.

What is the temperature of a freezer?

No. Anything below 0 F is fine. -20 is on the cold side. But -40 can make your food take a long time to thaw, and will get freezerburned fast. My freezer can sometimes go below -30 during certain cycles and it is just fine. I recommend -10 but -20 is OK.

Why does chicken soup bubble in refrigerator?

If the chicken soup is bubbling, it is fermenting or growing gas-forming bacteria. You have either kept it too long, did not cook it properly to begin with, cooled it improperly or contaminated it.

What is the best way to store raw beef in the refrigerator?

This food will keep for about 5 days in the refrigerator. Place the food in an air tight container for the best results. This food can easily be transferred to the freezer for longer storage time.

Is it ok to eat cooked souffle that was left out of refrigerator?

That depends how long it was left out of the refrigerator - hopefully not more than an hour or maybe two. If you are uncertain, don't eat it.

How many psi gas charge in a refrigeration compressor?

I fix Coke coolers and vendors usually r134a and r 12 134a is 20 pressure and 12 14 to 16 alot easier to add with scale after pulling a vacuum

Are scallops ok to eat if they were left out of fridge over night?

Not a good idea, particularly since they are fish and spoil quickly.

How long can salmon from a can keep in fridge?

Time until actual spoilage depends upon too many variables to make a definitive statement. Plan to use it as any seafood leftovers - preferably within a couple days.