Question

what is refrigerator???​

Answer 1

Answer:

Explanation:

an appliance or compartment which is artificially kept cool and used to store food and drink. Modern refrigerators generally make use of the cooling effect produced when a volatile liquid is forced to evaporate in a sealed system in which it can be condensed back to liquid outside the refrigerator.

Answer 2

Explanation:

Refrigerators are heat engines that work in backward direction converting mechanical work into heat. They transfer heat from inside a closed space to its external environment so that inside space is cooled below ambient temperature.