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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII(NEW) EXAMINATION - SUMMER 2019
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Subject Code:2180408 Date:09/05/2019Subject Name:Biochemical Engineering-I1
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
- Notations / abbreviations have conventional meaning and needs no clarification.
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MARKS
Q.1 (a) Explain the term- lumped parameter, with an example. 03
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(b) Explain the calculations for working capital and fixed capital investments, in context to Biotech industries. 04(c) Adsorption of an organic solute on activated silica gel gave the following data after equilibrium. 07
| S (mg/cm3) | Ca (mg/g) |
|---|---|
| 0.089 | 0.026 |
| 0.066 | 0.0225 |
| 0.047 | 0.021 |
| 0.037 | 0.018 |
Fit the data to an adsorption isotherm and calculate rate constant.
Q.2 (a) How SIMULINK is used for prediction of output of a reactor system through control function? 03
(b) Write a note on: dispersions in FIA 04
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(c) Explain in detail about cell distuption techniques. 07OR
(c) Explain the types of protein precipitations. 07
Q.3 (a) What is the meaning of distributed parameter model. 03
(b) Write anote on: Enzyme Electrode 04
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(c) Enlist the applications of liquid-liquid extraction process. 07OR
Q.3 (a) Give the application of MS. 03
(b) What are the boundary conditions? Are they constraints in one way? Comment. 04
(c) Derive the suitable equation to describe the population model. 07
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Make a list of independent and dependent variables.Q.4 (a) Write the principle of MALDI-TOF-MS. 03
(b) What is structured model? Explain. 04
(c) Explain supercritical fluid extraction. 07
OR
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Q.4 (a) Which “ions” are “exchanged” in ion-exchange chromatography? 03
(b) Why drying is a finishing operation? Justify. 04
(c) Compare and contrast : sedimentation and centrifugation 07
Q.5 (a) What are the factors governing sedimentation? 03
(b) Give an idea of continuous filtration assembly with diagram. 04
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Q.5 (a) Compare and comment of disruption of bacterial and fungal cell. 03
(b) What is the Schulze-Hardy rule? Where can you use it? What is its limitation? 04
(c) Discuss on gel permeation chromatography. 07
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This download link is referred from the post: GTU BE 2019 Summer Question Papers || Gujarat Technological University
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