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TLS Online TPP Program
#Question id: 15584
#Part-B Specialized Branches in Biotechnology
Increasing the agitation in a reactor increases oxygen transfer primarily because:
TLS Online TPP Program
#Question id: 15585
#Part-B Specialized Branches in Biotechnology
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
#Part-B Specialized Branches in Biotechnology
In SI system, the unit of thermal conductivity is
TLS Online TPP Program
#Question id: 15587
#Part-B Specialized Branches in Biotechnology
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
#Part-B Specialized Branches in Biotechnology
For a Rushton turbine impeller (Reynold’s number greater than 10,000) when RPM is doubled, the power absorption increases by:
TLS Online TPP Program
#Question id: 15589
#Part-B Specialized Branches in Biotechnology
Reynold’s number is ratio of: