Q. An open system (Solved)
1. Is a specified region where transfers of energy and/or mass take place
2. Is a region of constant mass and only energy is allowed to cross the boundaries
3. Cannot transfer either energy or mass to or from the surroundings
4. Has a mass transfer across its boundaries, and the mass within the system is not necessarily constant
5. None of the above
- d. Has a mass transfer across its boundaries, and the mass within the system is not necessarily constant