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2003 Course Process Modeling & Simulation

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Total No. of Questions : 12] P1211 [Total No. of Pages : 3 [3664]-285 B.E. (Chemical) PROCESS MODELING AND SIMULATION (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer any three questions from each section. 2) Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. 5) Your answers will be valued as a whole. 6) Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed. 7) Assume suitable data, if necessary. SECTION - I Q1) a) Explain with suitable example - lumped parameter system and distributed parameter system. [8] b) Describe the classification of model in detail. [8] OR Q2) a) Explain various steps involved in model building. [8] b) Provide a classification of the major categories of equations in a mechanistic process model. What are the subclasses in each major category. Outline how each of the classes of equations is interrelated.[8] Q3) a) Write the energy equation for the CSTR in which consecutive first order reactions occur with exothermic heats of reaction 1 and 2 . The given reaction is . [8] b) Fluid is flowing through a constant diameter cylindrical pipe. The flow is turbulent and therefore we can assume plug-flow conditions. There is no radial gradients in velocity or any other properties. Develop the mathematical model for the given system. [8] OR Q4) An isothermal, irreversible reaction A K B takes place in the liquid phase in a constant volume reactor. The mixing is not perfect. Observations of flow patterns indicates that a two tank system with back mixing, as shown P.T.O.

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