TLS Online TPP Program

#Question id: 14747


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

#Section 5: Bioprocess Engineering and Process Biotechnology
  1. Interception 
  2. Inertial impaction 
  3. Diffusion 
  4. All of these 
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TLS Online TPP Program

#Question id: 27248

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following forces can stabilize a normal DNA double-helix?

TLS Online TPP Program

#Question id: 14228

#Section 5: Bioprocess Engineering and Process Biotechnology

A fermenter is maintained at 35⁰C by water circulating at a rate of 0.5 kg s^-1 in a cooling coil inside the vessel. The inlet and outlet temperatures of the water are 8⁰C and 15⁰C respectively. The length of the cooling coil is increased by 50%. In order to maintain the same fermentation temperature, the rate of heat removal must be kept the same. Determine the new cooling-water flow rate and outlet temperature by carrying out the following calculations. The heat capacity of the cooling water can be taken as 4.18 kJ kg^- 1 o C^- 1. If the length of the coil is increased by 50⁰C the area available for heat transfer, A ', also increases by 50% so that A' = 1.5 A. The value of the overall heat-transfer coefficient is not expected to change very much. For the new coil, what is the value of UA’  ______________

TLS Online TPP Program

#Question id: 14292

#Section 5: Bioprocess Engineering and Process Biotechnology

Consider the scale up of a fermentation from a 10L to 10000L while maintaining geometric similarity. Agitation speed was maintained at 500 rpm in the 10L fermenter. If scale up is done based on constant tip speed, then the agitation speed in the larger reactor should be 
rpm. 

TLS Online TPP Program

#Question id: 591

#Section 2: General Biology

The Michaelis constant, Km, is equal to the ________.

TLS Online TPP Program

#Question id: 14521

#Section 1: Engineering Mathematics

There are 64 beds in a garden and 3 seeds of a particular type of flower are sown in each bed. The probability of a flower being white is 1/4. The number of beds with 3, 2, 1, and 0 white flowers is respectively