Q.

An open system

A. Is a specified region where transfers of energy and/or mass take place
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 necessarily constant
E. None of the above
Answer» D. Has a mass transfer across its boundaries, and the mass within the system is not necessarily constant
3.2k
0
Do you find this helpful?
23

View all MCQs in

Thermodynamics

Discussion

No comments yet