Download GTU BE/B.Tech 2018 Winter 7th Sem New 2171709 Distributed Control Systems And Scada Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (NEW) EXAMINATION - WINTER 2018

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Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

1. Q.1 Draw block diagram of Direct Digital Control System MARKS 03

   Q.2 State full form DCS, MAP, MTBF and SCADA. MARKS 04

   Q.3 Explain with a neat figure hierarchical computer system for a large manufacturing process. MARKS 07

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2. Q.3 Define software configuring and state two phases of software configuration MARKS 03

   Q.4 List out 4 peripheral devices which can be connected to DCS. MARKS 04

   Q.5 For the following protocols state their network type, advantages and disadvantages in a tabular form: Polling, Token Passing, CSMA/CD and ring expansion MARKS 07

   OR

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   Classify various types of displays available in DCS, with a neat figure MARKS 07

3. Q.1 Define and explain the concept of availability MARKS 03

   Q.2 State any 2 point of difference between position and velocity algorithm MARKS 04

   Q.3 Define algorithm and explain dead band control, emergency response and error squared algorithms in detail MARKS 07

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   OR

   What does executive program consist of? List out 2 of its functions. MARKS 03

4. Q.4 List out any 4 production monitoring and control functions. MARKS 04

   Q.5 With a neat figure explain in detail the principal programs contained in the executive software. MARKS 07

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5. Q.1 List 7 layers of OSI model MARKS 03

   Q.2 Explain in detail alarm access architecture MARKS 04

   Q.3 With a neat figure explain the communication hierarchy. MARKS 07

   OR

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   State the 3 recommended standards (i.e. RS) protocols available in market MARKS 03

6. Q.4 Define with necessary example super-commutation and sub-commutation MARKS 04

   Q.5 With a neat diagram, explain typical SCADA system and its hierarchy MARKS 07

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7. Q.1 List out 3 manufacturers of DCS MARKS 03

   Q.2 Explain token passing and CSMA/CD bus access methods MARKS 04

   Q.3 Explain in detail MODBUS bus access methods, transmission modes, application services and acceptance MARKS 07

   OR

   List out 3 transmission media used in communication. MARKS 03

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8. Q.4 List out and explain 2 different applications covered by fieldbus. MARKS 04

   Q.5 Explain in detail FIPBUS bus access methods, features and acceptance. MARKS 07

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