TLS Online TPP Program

#Question id: 14349


An aerated bioreactor will increase oxygen transfer rates with the addition of detergents because it 

#Section 5: Bioprocess Engineering and Process Biotechnology
  1. enhances bubble coalescence
  2. causes bubbles to expand
  3. discourages bubble coalescence 
  4. increases the surface tension of the liquid 
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TLS Online TPP Program

#Question id: 14744

#Section 5: Bioprocess Engineering and Process Biotechnology

For production of an enzyme used for synthesis of a sun protection lotion, the required kinetic data and constants are: 
vmax = 2.3 mmol.m-3 s-1 Km = 8.9 mmol.-1 So = 12 mmol1- 
Find the reaction time for 95% conversion of raw material 

TLS Online TPP Program

#Question id: 14745

#Section 5: Bioprocess Engineering and Process Biotechnology

heat exchanger, one transfer unit means 

TLS Online TPP Program

#Question id: 14746

#Section 5: Bioprocess Engineering and Process Biotechnology

During cultivation of microorganism in a fermenter, various parameters are controlled by appropriate mechanism, match the following 

ProbesMechanism
A. Thermistor1. activation of acid/alkali group
B. Oxygen electrode2. Activation of vegetable oil pump
C. Metal rod3. activation of hot/cold water pump
D. pH electrode4. increase/decrease in stirrer motor speed
OptionABCD
a)2314
b)3241
c)1243
d)3421

TLS Online TPP Program

#Question id: 14747

#Section 5: Bioprocess Engineering and Process Biotechnology

Mechanism of separation of contaminants present in air by fibrous media are. 

TLS Online TPP Program

#Question id: 14748

#Section 5: Bioprocess Engineering and Process Biotechnology

 For scaling up of a bioreactor the following parameter is assumed to be constant

TLS Online TPP Program

#Question id: 14749

#Section 5: Bioprocess Engineering and Process Biotechnology

For a turbine aeration agitation, the power consumption