Mechanical Engineering - Thermodynamics - Discussion
Discussion Forum : Thermodynamics - Section 1 (Q.No. 33)
33.
In the first law of thermodynamics, the total energy of the system remains constant.
Discussion:
11 comments Page 2 of 2.
Debajyoti Halder said:
8 years ago
It's for an isolated system. The total energy of the universe remains constant. Universe = system + surrounding. It's not necessary that energy of the system has to be constant. Because heat and work are boundary phenomenon.
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