Curioustab

Home » Biochemical Engineering » Sterilization

The collection efficiency by diffusion increases with

decreasing particle size
decreasing air velocity
both (a) and (b)
increasing particle size

Correct Answer: both (a) and (b)

← Previous Question Next Question→

More Questions from Sterilization

Model proposed by the Friedlander, correlating the air filtration efficiency by impaction can be expressed as (where NSt is the Stokes number)
The K used in the equation for X10=2.303/K depends upon
The reduction of number of cells from 1010 to one will result into the del factor (Δ) of
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)
For the turbulent flow, the dispersion coefficient is correlated as a function of
The deviation from ideal plug flow due to axial mixing can be described by the
The del factor (Δ) increases as the final number of cells
For indirect heating, the plate and frame heat exchanger is generally more effective than the shell and tube heat transfer due to its
The overall del factor (Δ) may be represented as
Typical aeration rates for aerobic fermentation are

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion