There are three kinds of the system:
1.3.1 Closed System– it is called a closed system when it has an unchanged mass and energy that can flow in or out the boundary. The Fig. 1.2 (b) describes the closed system where no transfers of massoccur.
1.3.2 Open System– it is called an open system when the boundary crosses along with the heat and work getshifted. Fig. 1.2 (c) represents an open system.
1.3.3 Isolated System– when there is no interaction found observed between the system and surrounding then it is said to be an isolated system. No transfer of mass or energy occurs in this system. So it consists of a fixed mass and fixed power system. Fig. 1.2 (d) shows an isolated system.
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