Question

Which of the following is an example of a heat pump?
A. Evaporator
B. Double pipe heat exchanger
C. Refrigerator
D. None of the above

Answer 1

The heat pump is considered to occur in the thermodynamic process. This device can transfer heat. The transfer of the energy is in the form of the heat from the source of the heat. Basically, heat is absorbed from the hot region and then released to the colder region.

Complete step by step solution:
The heat pump is described as a mechanical device which is used to extract heat from the colder system and transfer it to the hotter system.
The heat pump is classified in two types: The single slit heat pump and the multi split heat pump.
Both of these are used in refrigerators.
The heat pump in the refrigerator is commonly $R410A$. This produces the charge of $1{\text{ }}kg{\text{ }}to{\text{ }}5{\text{ }}kg$. This heat pump is a single slit heat pump.
A multi-split heat pump is also available in the refrigerator. The commonly used multi split pump uses Chlorofluorohydrocarbons for their application.
The Chlorofluorohydrocarbon can overcome global warming $1000$ times as compared to the carbon dioxide. So, it is preferred.
So, from the above explanation, it is observed that a refrigerator is an example of heat pumps.
Finally, the refrigerator is an example of the heat pumps.

Note: Also, there are other forms of the heat pumps. The common example of the heat pump is the carbon dioxide and ammonia heat pump. This heat pump has lower global warming as compared to Chlorofluorohydrocarbons heat pump. Also, the coefficient of performance is much higher. But it is only observed at high temperatures.