Biochemical Engineering - Downstream Processing

Exercise :: Downstream Processing - Section 1

  • Downstream Processing - Section 1
16. 

If the solute passes through membrane freely, the the rejection coefficient (s) is

A. 1
B. 0
C. >1
D. <1

Answer: Option B

Explanation:

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17. 

If the membrane rejects all solute, the rejection coefficient (s) is

A. 1
B. 0
C. >1
D. <1

Answer: Option A

Explanation:

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18. 

In antibiotic manufacturing processes, the fermentation time ranges from

A. 2-3 weeks
B. 1-2 weeks
C. 4-5 weeks
D. 2-4 weeks

Answer: Option C

Explanation:

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19. 

The conventional filtration involves the separation of large particles generally

A. dp>5μm
B. dp>10μm
C. dp>15μm
D. dp>20μm

Answer: Option B

Explanation:

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20. 

Which of the operation does not come under upstream processing?

A. Media preparation
B. Inoculum development
C. Effluent treatment
D. Storage of raw material

Answer: Option C

Explanation:

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