1) A control volume is a system that (a) always contains the same matter. (b) al
ID: 1717431 • Letter: 1
Question
1) A control volume is a system that
(a) always contains the same matter. (b) allows a transfer of matter across its boundary. (c) does not interact in any way with its surroundings. (d) always has a constant volume.
2. A system is at steady state if
(a) none of its properties changes with time. (b) none of its properties changes with location within the system. (c) none of its properties changes with time or with location within the system. (d) none of the above.
5. When a system is isolated,
(a) its mass remains constant. (b) its temperature may change. (c) its pressure may change. (d) all of the above.
Explanation / Answer
Control volume is a system that allows a transfer of matter across its boundary (b)
A system is said to be steady state if none of its properties changes with time or with location (c)
When a system is isolated it's mass remains constant (a)
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