Terminology Flashcards
what dat mean?
1
Q
System
A
A quantity of matter or a region in space chosen for study
2
Q
Surroundings
A
The mass or region outside the system
3
Q
Boundary
A
The real or imaginary surface that separates the system
from its surroundings
4
Q
True or False: The boundary of a system can be fixed or movable
A
True
5
Q
True or False: The boundary of a system cannot be fixed or move
A
False
6
Q
True or False: Systems may be considered to be closed or open
A
True
7
Q
True or False: Systems may not be considered to be closed or open
A
False
8
Q
Closed system (Control mass)
A
A fixed amount of mass, and no mass can cross its boundary
9
Q
Open system (control volume)
A
A properly selected region in space
10
Q
Controle surface
A
The boundaries of a control volume. It can be real or imaginary
