TLS Online TPP Program

#Question id: 52


Choose the incorrect option regarding Isomerism.

#Section 2: General Biology
  1. They differ in both physical and chemical properties

  2. They have the different molecular formula

  3. There are two types of Isomerism: Structural and Stereo Isomerism

  4. Geometric and optical isomerism are two types of Stereo Isomerism

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TLS Online TPP Program

#Question id: 14627

#Section 5: Bioprocess Engineering and Process Biotechnology

In a batch production of penicillin, 40 m3 capacity of the plant, sterile air is required to be supplied. The bioreactor requires 1 vvm (volume of air/volume of broth. min). The incoming air contains 3000 cells/m3of air, for 100 hours operation. Calculate the depth of filter if the penetration of bacteria is 1 in 1 million. 

TLS Online TPP Program

#Question id: 14628

#Section 5: Bioprocess Engineering and Process Biotechnology

Microbial cells are separated from a culture broth at a flow rate of 3.35 x10-3m3/5. Assume the cells are spherical with average diameter of 111m. Select a centrifuge that can perform this separation. Given data: pcell =1.1, Pwater,=997 kgm-1 at 25 °C; Pbroth = 3pwater, and the viscosity of water is 0.9 x 10-3 N.s/m2 

TLS Online TPP Program

#Question id: 14629

#Section 5: Bioprocess Engineering and Process Biotechnology

Microbial cell recovery is carried out in a continuous disc-stack centrifuge. The centrifuge is operated at 5000 rpm for separation of baker's yeast. At a feed rate of 60 1/min, 50% of the cells are recovered. At constant speed, solid recovery is inversely proportional to flow rate. What flow rate is required to recover 90% of cells if the centrifuge speed is fixed at 5000 rpm? 

TLS Online TPP Program

#Question id: 14630

#Section 1: Engineering Mathematics

The series whose nth term is sin 1/n is

TLS Online TPP Program

#Question id: 14631

#Section 1: Engineering Mathematics

The series 

TLS Online TPP Program

#Question id: 14632

#Section 1: Engineering Mathematics

The interval in which Lagrange’s theorem is applicable for function