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2003 Course Computer Aided Process Control (Elective II)

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Total No. of Questions : 12] P1094 [Total No. of Pages :3 [3864] - 335 B.E. (Chemical) COMPUTER AIDED PROCESS CONTROL (2003 Course) (Elective - II) (Sem. - II) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answers to the two Sections should be written in separate books. 2) Neat diagrams must be drawn wherever necessary. 3) Figures to the right indicate full marks. 4) Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed. 5) Assume suitable data, if necessary. SECTION - I Q1) a) State advantages of digital computer control system over electronic control systems. [6] b) What is HMI? State its functions. c) Distinguish between centralized and distributed computer control systems. [6] [6] OR Q2) Explain DDC systems. [6] b) Compare supervisory control and hierarchical control systems. [6] c) Q3) a) Compare centralized and distributed control systems. [6] a) A process is modeled as X = AX + BU, Y = CX. Define controllability and observability of the process. Also state mathematical conditions for testing controllability and observability of a process. [8] b) Define RGA for a 2x2 process having steady-state gain matrix . k12 k k = 11 k 21 k 22 State properties of RGA and use of RGA for determination of the best pairing of input-output variables. [8] P.T.O.

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