TLS Online TPP Program
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TLS Online TPP Program
#Question id: 21059
#Unit 12. Biochemical Engineering
To reduce the level of deactivation of media components for culturing Lactobacillus spp., a high temperature and short time (HTST) regime is used for sterilization,
PRIMARILY because:
TLS Online TPP Program
#Question id: 21062
#Unit 12. Biochemical Engineering
Aqueous Two Phase System (ATPS) is used to isolate a protease from a fermentation broth. The partition coefficient (K) is 2.5. For 80 % recovery of protease in a single step, the volume ratios of upper and the lower phases should be:
TLS Online TPP Program
#Question id: 21066
#Unit 12. Biochemical Engineering
To achieve complete separation of two pharmaceutical compounds (shown as two peaks in the chromatogram), the relative separation (RS) should be:
TLS Online TPP Program
#Question id: 20823
#Unit 12. Biochemical Engineering
In a plug flow bioreactor running at steady state, 12.5% cells are recycled back to the inlet. If the cells grow at μmax=1 h-1 throughout the length of the reactor (L=124 cm), then the flow velocity should be
TLS Online TPP Program
#Question id: 20824
#Unit 12. Biochemical Engineering
In a CSTR, first order reaction takes place converting A to B. If at a dilution rate (D)= 0.5 h-1, 50% of A gets converted to B, then the rate constant ‘k’ of the reaction is:
TLS Online TPP Program
#Question id: 20827
#Unit 12. Biochemical Engineering
A new spherical resin (of radius 300 urn) has been developed in which only the outer layer is activated to a depth of 100 um (as shown in figure). The fraction of the activated volume is:
