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Biochemical Engineering - Sterilization

Exercise : Sterilization - Section 1
  • Sterilization - Section 1
11.
The collection efficiency by interception increases with the
increasing particle diameter
increasing air flow velocity
both (a) and (b)
increasing particle size
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
For indirect heating, the plate and frame heat exchanger is generally more effective than the shell and tube heat transfer due to its
larger heat transfer area
smaller heat transfer area
lesser cost
more number of plates
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The mechanism of air filtration in fibrous filter is
electrostatic attraction
impaction
interception
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
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)
V-V0 = 1 - α
V = V0(1 - α)
V = V0/(1 + α)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
For the turbulent flow, the dispersion coefficient is correlated as a function of
Reynolds number
Sherwood number
Schmidt number
Grashof number
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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