[Solved] The characteristics of a control volume are

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Q.	The characteristics of a control volume are
A.	The volume shape and position with respect to an observer may change
B.	The volume shape and position with respect to an observer are fixed
C.	There is no material flow across the boundary
D.	Pulsejet
E.	There is material flow across the boundary
Answer» E. There is material flow across the boundary

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