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What do you mean by term refrigeration?
refrigeration, the process of removing heat from an enclosed space or from a substance for the purpose of lowering the temperature
What is principle of refrigeration?
Working Principle of Refrigerator
A refrigerant is a substance used in a heat cycle to transfer heat from one area, and remove it to another. A refrigerant when passed through the food kept in the refrigerator, it absorbs heat from these items and transfers the absorbed heat to the surrounding with less temperature.
Why is it called refrigeration?
Refrigerator Etymology
But the word refrigerator is much older; it dates to the early 1600s, and refrigerate, from the Latin verb refrigerare and ultimately from the adjective frigus, meaning "cold," dates to the preceding century.
What is refrigeration and its unit?
Unit of refrigeration: Unit of refrigeration is TR (Ton of refrigeration). It is the amount of heat which is required to extract from one tonne of water at 0°C in order to convert it into equivalent ice at 0°C in a day. 1 TR = 3.5 kW = 210 kJ/min = 50 kcal/min
What is refrigeration temperature?
The ideal refrigerator temperature is 40 degrees Fahrenheit or below, according to the Food and Drug Administration (FDA). These temperatures inhibit the growth of microorganisms that can cause foodborne illnesses, such as salmonella, listeria, and E
Why is refrigeration important?
Refrigeration is a helpful tool to keep foods fresh longer. When food is held at a proper temperature, the growth of bacteria slows down, which helps reduce the risk of food poisoning. To keep your perishable foods fresh, make sure your refrigerator is set at or below 40°F.
Which liquid is used in refrigerator?
A refrigerant is a substance or mixture which is used in a heat pump and refrigeration. Some of the common refrigerants include Chlorofluorocarbons (CFCs), Hydrochlorofluorocarbons (HCFCs), Hydrofluorocarbons (HFCs), and Natural Refrigerants