A system – McqOptions

MCQOPTIONS

1.	A system
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
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
Answer» B. Is a region of constant mass and only energy is allowed to cross the boundaries

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