Viscosity ranges for different impeller, find correct match?

      Types                                                                         Maximum viscosity(cp)

      P) Helical ribbon                                (I) 105

      Q) Propellers                                                                    (II)  106

      R) Helical screws                                                             (III) 104

TLS Online TPP Program

#Question id: 14430

#Section 5: Bioprocess Engineering and Process Biotechnology

Which is not correctly match, effect of process variables on mass transfer characteristics?

Process variable                     mass transfer characteristics

P. P/V                              -          oxygen transfer rate

q. Impeller tip speed     -          mixing time

r. Reynolds                     -          number shear rate 

TLS Online TPP Program

#Question id: 14431

#Section 5: Bioprocess Engineering and Process Biotechnology

the centrifugal separation of biomass of 80um sized cells of density 1.04kgm^-3 was carried out in a tubular centrifuge having a diameter of 15cm and rotating at 1200 rev/min. calculate the residence time if distance between the liquid surface and the axis of rotation was 0.8cm, the liquid viscosity were 1.0kgm^-3 and 0.013 gcm^-ls-1respectively. 

TLS Online TPP Program

#Question id: 14432

#Section 5: Bioprocess Engineering and Process Biotechnology

the centrifugal separation of biomass of 80um sized cells of density 1.04kgm^-3 was carried out in a tubular centrifuge having a diameter of 15cm and rotating at 1200 rev/min. the axis of rotation was 0.8cm, the liquid viscosity were 1.0kgm^-3 and 0.013 gcm-ls^-1 respectively. Calculate the volumetric capacity of the centrifuge if its length was 40cm? 

TLS Online TPP Program

#Question id: 14433

#Section 5: Bioprocess Engineering and Process Biotechnology

the centrifugal separation of biomass of 80um sized cells of density 1.04kgm^-3 was carried out in a tubular centrifuge having a diameter of 15cm and rotating at 1200 rev/min. the axis of rotation was 0.8cm, the liquid viscosity were 1.0kgm-3 and 0.013 gcm-^ls^-1 respectively. centrifuge length is 40cm, calculate the  factor? 

TLS Online TPP Program

#Question id: 14434

#Section 5: Bioprocess Engineering and Process Biotechnology

the centrifugal separation of biomass of 80um sized cells of density 1.04kgm-3 was carried out in a tubular centrifuge having a diameter of 15cm and rotating at 1200 rev/min. the axis of rotation was 0.8cm, the liquid viscosity was 1.0kgm-3 and 0.013 gcm-ls-1 respectively. centrifuge length is 40cm, what will be the time required for centrifuging 1000 litres of broth? 

TLS Online TPP Program

#Question id: 14435

#Section 5: Bioprocess Engineering and Process Biotechnology

Differential centrifugation separates the particle which is different in