Engineering :: Thermodynamics
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A system
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[A]. |
Is a specified region, not necessarily of constant volume, where transfer of energy and/or mass are to be studied | [B]. |
Is a region of constant mass and only energy is allowed to cross the boundaries
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[C]. |
Cannot transfer either energy or mass to or from the surroundings | [D]. |
Has a mass transfer across its boundaries and the mass within the system is not constant |
[E]. |
None of the above |
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