Question

If the packing density (α) is defined as the volume of the fiber unit volume of filter bed, the velocity within the filter void space is equal to (where V is velocity in fluid void space and V0 is undisturbed fluid velocity)
A.V = V0/(1-α)
B. V-V0 = 1 - α
C. V = V0(1 - α)
D. V = V0/(1 + α)

Answer 1

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Option (C) is correct.

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Answer 2

$\huge {\mathfrak {\underline{ \underline{Answer ;}}}}$



[B] is the correct option



→ If the packing density (α) is defined as the volume of the fiber unit volume of filter bed, the velocity within the filter void space is equal to (where V is velocity in fluid void space and V0 is undisturbed fluid velocity) V-V0 = 1 - α



$\huge \underline {\underline{\tt{Thanks}}}$