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Mechanical Engineering Mcqs

A closed system is one in which_________________________?

 (A)  mass does not cross boundaries of the system, though energy may do so

 (B)  mass crosses the boundary but not the energy

 (C)  neither mass nor energy crosses the boundaries of the system

 (D)  both energy and mass cross the boundaries of the system

 (E)  thermodynamic reactions take place

Submitted By :Ali Uppal

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