Consider a model of finite control volume (volume V and surface area) – McqOptions

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1.	Consider a model of finite control volume (volume V and surface area) fixed in space with elemental volume dV, vector elemental surface area d\(\vec{S}\), density ρ and flow velocity \(\vec{V}\).
A.	\(\rho\vec{V}.d\vec{S}\) is positive when _____________
B.	The mass flow is outward
C.	The mass flow is inward
D.	The mass flow is positive
E.	The mass flow is negative
Answer» B.

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