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TLS Online TPP Program
#Question id: 21942
#Unit 12. Biochemical Engineering
In a large scale bioreactor with fungal fermentation, the dissolved oxygen concentration gradient is primarily due to the
TLS Online TPP Program
#Question id: 21946
#Unit 12. Biochemical Engineering
If in a fed batch cultivation of recombinant E. coli, feeding of the substrate is based on the following equation F(t)= [μVX(t)]/SF.YXS. Where μ is specific growth rate and is maintained constant, F(t) is feed rate, X(t) biomass cell concentration,YXS is biomass yield coefficient and SF is the substrate feed concentration. The feed pattern indicates that with increasing time, every cell is receiving the
TLS Online TPP Program
#Question id: 21972
#Unit 12. Biochemical Engineering
Culture comprising a B. subtlis strain by inoculating 1g of cells into 1 liter bioreactor. Fermentor containing 10g/l of glucose. The maximum specific growth rate of the culture is 1.0 /h. The biomass yield from glucose is 0.5 g/g. If the residual glucose concentration left out is 1g/l, the final cell concentration in g/l achieved would be around
TLS Online TPP Program
#Question id: 21977
#Unit 12. Biochemical Engineering
The most precise method of estimating the metabolic heat produced in an aerobic fermentation process is by
TLS Online TPP Program
#Question id: 21487
#Unit 12. Biochemical Engineering
Match the Transport process with appropriate time constants given below.
| Transport process | Time constants |
| 1. Oxygen transfer | p. V/Q |
| 2. Heat transfer | q. 4V/(1.5ND3) |
| 3. Flow | r. VρCp/UA |
| 4. Mixing | s. 1/KLa |
Where V is volume; Q is pumping rate; N is agitation rate; D is diameter of the impeller; A is area and ρ is the density of the liquid
TLS Online TPP Program
#Question id: 21491
#Unit 12. Biochemical Engineering
Fill in the blanks with appropriate option: Vinegar is a liquid consisting of acetic acid produced by the fermentation of _______________ by _____________________.