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Biochemical Engineering - Sterilization

Exercise : Sterilization - Section 1
  • Sterilization - Section 1
16.
In sterilization process, spore of which of the following organism is considered as control?
Bacillus subtilis
Clostridium botulinum
Bacillus stearothermophilus
Aspergillus niger
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Analogus to the molecular diffusion, the x-directional flux of microorganisms suspended in a medium due to the axial mixing can be represented as (where Jn is flux component 'n', cn is concentration of'n')
Jn = -dcn/dx
Jn = dcn/dx
Jn = -D dcn/dx
Jn = D dcn/dx
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The typical size of particles collected by diffusion mechanism is
<0.25μm
<0.5μm
<0.75μm
<1μm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The X90 value for a filtration system is
the time required to reduce microbial population by 90%
the time required to traverse survivor curve by one log cycle.
the depth required to reduce population by 90%
the depth of the filter required to reduce population by 99%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The value of K
increases with increase in air velocity
decreases with increase in air velocity
increases to an optimum with increase in air velocity and decreases on further increase of air velocity
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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