Chemical Engineering > GATE 2013 > Mass Balance
The mass balance for a fluid with density (ρ) and velocity vector (&vec;v) is
A
∂ρ/∂t+∇⋅(ρ&vec;V)=0
B
∂ρ/∂t+&vec;V⋅(∇ρ)=0
C
∂ρ/∂t+ρ(∇⋅&vec;V)=0
D
∂ρ/∂t-&vec;V⋅(∇ρ)=0

Correct : a

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