Example of closed system, and what is it considered to be a closed system?

Question

Example of closed system, and what is it considered to be a closed system?

Answer 1

In most instances, a closed system is one that can work independently with little or no ancillary support from other systems or processes.



For an example, a home heat pump could be considered a closed system because it performs its function completely with electrical power as its only ancillary support system.

Answer 2

Communism??