0
I'm taking this to mean "how do refrigerators work?" A refrigerator (or fridge) is a heat exchanger attached to an insulated chamber; it removes heat from the chamber and pumps it outside. The rear of a refrigerator has plates which feel warm - this is the removed heat being released. To understand how a heat exchanger works, recall how cold you feel after getting out of a warm bath or pool; the cooling is caused by the water evaporating. Heat exchangers use a similar principle but with a coolant which boils at a low temperature. The coolant is pumped through two coils in the fridge; a condenser coil which is exposed to the outside air and an evaporator coil which is exposed to the air in the insulated chamber. As the coolant is compressed into a liquid in the condenser heat is released to the outside, in the evaporator the coolant evaporates - absorbing heat from the insulated chamber. A problem with fridges is that the coolant has usually been freon (a CFC), nowadays liquid propane gas is starting to gain favour.
What else can I help you with?
A refrigerator does not cool the food inside it properly if the food is too tightly packed?
When food is tightly packed in a refrigerator, the airflow is restricted, making it difficult for the cold air to circulate evenly. This can lead to uneven cooling and pockets of warm air where food may spoil faster. To ensure proper cooling, it's important to leave space between items for air to flow freely.
If a refrigerator is a heat pump that follows the first law of thermodynamics how much heat was removed from food inside of the refrigerator if it released 240J of energy to the room?
Not enough information. The refrigerator must also follow the Second Law.The energy released to the room is the energy removed from the room, PLUS the energy used by the refrigerator (for example, as electrical energy).
What energy transformation happens in a refrigerator?
In a refrigerator, electrical energy is transformed into thermal energy by the compressor to remove heat from the interior of the refrigerator. This process allows the refrigerator to maintain a cooler temperature inside to preserve food and beverages.
Where does the energy for the refrigerator come from?
The energy for a refrigerator typically comes from electricity. The refrigerator's compressor and other components work together to remove heat from inside the appliance, keeping food cold.
Why and how was the refrigerator invented?
The refrigerator was invented to preserve food and extend its shelf life. The first practical refrigerator was invented in 1876 by Carl von Linde, who used a compressor to cool air and create a refrigeration cycle. This invention revolutionized food storage and changed the way people preserved perishable goods.
Is it safe to store food in a pot in the refrigerator?
Of course you can. The food in the pot will not cause any harm to your refrigerator as long as the pot has cooled down. It's probably not safe to put the Teflon pot in the refrigerator if it scorching hot. That might not be safe. Mr. Know it all
Are you supposed to put food in the refrigerator after it has cooled down?
It is better to only put hot food into a fridge after it has cooled. A lot of hot food would alter the coolness inside the fridge and cause the motor to start running when it didn't really need to.
Which food was correctly cooled?
The soup was correctly cooled by being transferred to a shallow container and placed in an ice water bath before being stored in the refrigerator to ensure rapid cooling and prevent bacterial growth.
How is the air cooled in a household refrigerator?
It goes through the pipes
What is An appropriate method for cooling a large quantity of food?
A large quantity of food must be cooled by immediate refrigeration. The refrigerator's temperature should be set as cold as possible and, if practicable, the food to be cooled should be refrigerated on shallow trays or dishes to allow for quick cooling. You could also put your trays of food into the freezer until cold, before covering or sealing and refrigerating.A large quantity of food must be cooled by immediate refrigeration. The refrigerator's temperature should be set as cold as possible and, if practicable, the food to be cooled should be refrigerated on shallow trays or dishes to allow for quick cooling. You could also put your trays of food into the freezer until cold, before covering or sealing and refrigerating.
Should food be cooled down before putting it fridge?
Yes, from what I have heard and read. Moving hot food to a cold refrigerator can cause bacteria to form and grow rapidly. The food should be cooled to room temperature before refrigerating.
Is it true that keeping of hot food inside refrigerator will cause the refrigerator not to function?
Keeping hot food in the refrigerator will make the food cold. It will not damage your refrigerator.
What is the maximum time food must be allowed to cool out of as refrigerated unit?
Food doesn't specifically have to be cooled in a certain time. Food must be covered once it has cooled however, so don't leave it out for more than a few hours. ANSWER: For safety reasons, food must be cooled within 4 hours, otherwise pathogens can grow and make the food unsafe to eat. Never leave any food out of the refrigerator for more than 4 hours as well, for the same reason.
What is the approved method of thawing food using the keyword "refrigerator"?
The approved method of thawing food using the keyword "refrigerator" is to place the food in the refrigerator to thaw slowly and safely.
Is a roast that was cooked and cooled in a crockpot and then sat out of the refrigerator in the same unheated covered crockpot for 8 hrs still safe to eat?
No food safety professional would say it is safe to eat. Discard it.
What did refrigerator do?
Preserves food.
What does refrigerator?
It cools food
