Download GTU B.Tech 2020 Winter 7th Sem 2172411 Industrial Automation Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY

Subject Code: 2172411

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BE- SEMESTER-VII (NEW) EXAMINATION — WINTER 2020

Subject Name: Industrial Automation

Time: 10:30 AM TO 12:30 PM

Instructions:

1. Attempt any FOUR questions out of EIGHT questions.

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

Q.1

1. (a) Define PLC and SCADA System. (03)
2. (b) What is Automation? Explain in details Components of Industrial automation. (04)

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3. (c) Draw internal block diagram of PLC CPU and explain various blocks. (07)

Q.2

1. (a) Write brief note on: Current Trends in Automation System. (03)
2. (b) Explain advantage and Limitation of DCS (04)
3. (c) Explain about Ladder & Boolean mnemonics Programming language. (07)

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Q.3

1. (a) Explain in brief Master Terminal Unit. (03)
2. (b) Write a Technical note on: Remote Terminal Unit. (04)
3. (c) Explain in Details Data Acquisition and process control system (07)

Q.4

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1. (a) Draw timing diagram of retentive timer. (03)
2. (b) Define term DCS. List at least Six applications of DCS. (04)
3. (c) Explain the different levels of DCS systems. (07)

Q.5

1. (a) Explain in details Input Module of PLC with necessary diagram. (03)

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2. (b) Compare Localized Process and Distributed Process. (04)
3. (c) Explain the PLC Arithmetic function and .draw block format of each. (07)

Q.6

1. (a) Explain in details Output Module of PLC with necessary diagram. (03)
2. (b) Explain the different steps of automation. (04)

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3. (c) Explain the PLC Sequencer Function. Write the ladder for sequencer with timer pulsing. (07)

Q.7

1. (a) Describe concept of data logging and history generation. (03)
2. (b) Explain in brief PLC timer function. (04)
3. (c) Explain PLC Move function and illustrate the single register move using an addition process. (07)

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Q.8

1. (a) Describe concept of data exchange and data availability. (03)
2. (b) Explain in brief PLC Counter function. (04)
3. (c) Explain the P.L.C. SEQUENCER function. Write the ladder for sequencer with timer pulsing. (07)

Date: 21/01/2021

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Total Marks: 56