TLS Online TPP Program

#Question id: 1837


What is the single best answer to the question “Which method is most characteristically used by trypanosomes to escape the immune response?”

#Section 2: General Biology
  1. Switching of VSGs (variable surface glycoproteins)

  2. Production of cytokine or cytokine receptor homologues

  3. Interference with the TAP proteins

  4. Antigenic variation

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TLS Online TPP Program

#Question id: 27049

#Section 4: Fundamentals of Biological Engineering

The volumetric flow rate of carbon tetrachloride (CCI4) in a pipe is 50 cm3 min-1. The density of CCI4 is 1.6 g cm-3. What is the mass flow rate of CCI4?

TLS Online TPP Program

#Question id: 27050

#Section 4: Fundamentals of Biological Engineering

In a process, two feed streams are there and one output stream. The feed streams have the feed rates as 500 kg/sec and 600 kg/sec. If the output stream rate is 800 kg/s, what is the mass stored in the chamber in five seconds?

TLS Online TPP Program

#Question id: 27051

#Section 4: Fundamentals of Biological Engineering

For the given drying process, a material (Called SRU) is dried and feed and outputs are as shown in the figure.
A, in kg is  

TLS Online TPP Program

#Question id: 27052

#Section 4: Fundamentals of Biological Engineering

A membrane is used for separation of gases from waste. If the feed stream contains 20% CO2 and 80% SO2 and the product contains 25% CO2 and 75% SO2. Assume that the waste stream amounts to 80% of the input stream. What is the composition of CO2 in waste stream?

TLS Online TPP Program

#Question id: 27053

#Section 4: Fundamentals of Biological Engineering

To obtain a 100 Kg of 40 % N2 solution, how much nitrogen must be added to a 20% nitrogen solution?

TLS Online TPP Program

#Question id: 27054

#Section 4: Fundamentals of Biological Engineering

For the given distillation column 1000 Kg of feed is given to the column and the efficiency of the column is 10%.  What is the amount of product?