Messelsen and Stahl model of replication was called

TLS Online TPP Program

#Question id: 15583

#Section 4: Fundamentals of Biological Engineering

The dissolved oxygen concentration during the measurement of K_La by sodium sulphite method is

TLS Online TPP Program

#Question id: 15584

#Section 4: Fundamentals of Biological Engineering

Increasing the agitation in a reactor increases oxygen transfer primarily because:

TLS Online TPP Program

#Question id: 15585

#Section 4: Fundamentals of Biological Engineering

A stirrer has a power number (Np) 10. If the stirrer speed (N) is 1 s^-1 , its diameter D= 1 m and the density of the medium is 1000 kg/m3, the ungassed power input (P) in watts is

TLS Online TPP Program

#Question id: 15586

#Section 4: Fundamentals of Biological Engineering

In SI system, the unit of thermal conductivity is

TLS Online TPP Program

#Question id: 15587

#Section 4: Fundamentals of Biological Engineering

Under unaerated conditions in a fermenter, the power consumed by a single impeller is 10 KW and upon changing the agitation rate from 200 to 600 rpm, the new power consumption (KW) would be -----. (Assuming that the power number remains constant)

TLS Online TPP Program

#Question id: 15588

#Section 4: Fundamentals of Biological Engineering

For a Rushton turbine impeller (Reynold’s number greater than 10,000) when RPM is doubled, the power absorption increases by: