Download GTU BE/B.Tech 2019 Winter 7th Sem New 2171103 Industrial Automation Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- VII (New) EXAMINATION — WINTER 2019

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Subject Code: 2171103 Date: 26/11/2019
Subject Name: Industrial Automation
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

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

Q.1 (a) What are the applications of signal conditioning circuit? 03
(b) Write short note on MML 04
(c) Write a short note on computer based data acquisition system. 07

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Q.2 (a) Explain features and advantages of DCS systems. 03
(b) Discuss in brief about the network access protocol that are used as communication methods for distributed control highways. 04
(c) Discuss in brief about the various types of information display that can be achieved using DCS for efficient monitoring of plant parameters. 07

OR

(c) Compare relative features of twisted pairs, coaxial cables and fiber optic cable. 07

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Q.3 (a) Explain the basic principle of pH measurement with neat diagram. 03
(b) Draw the architecture of PLC and explain each block in detail. 04
(c) Explain different types of SCADA architecture in details. 07

OR

Q.3 (a) Explain any one displacement transducer with neat diagram. 03

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(b) Write a short note on: System characteristics for the selection of PLC 04
(c) Enlist types of flow meters. Explain any one in detail. 07

Q.4 (a) Explain elements of ladder diagram and its application. 03
(b) What do you mean by actuators? Explain stepping motor with neat diagram. 04
(c) Explain the hydraulic servos with neat diagram. 07

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OR

Q.4 (a) With a neat sketch, explain the construction and working of a distributed control system used in process industries. 03
(b) What is IOT? List advantage of IOT in industry. 04
(c) Explain use of solenoid as an electrical actuator. How it is used to change gears? 07

Q.5 (a) Why isolation is required in I/O Bus? Explain I/O Bus isolation using opto-coupler. 03

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(b) Explain in brief (i) PROFI-BUS (ii) MODBUS 04
(c) Explain the basic principles of servo systems. Enlist types of DC servo motors with neat diagram. 07

OR

Q.5 (a) Explain basic construction and configuration of pick and place robot. 03
(b) Compare RS-232C, RS-422 and RS485 interfaces. 04

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(c) What is Automation and explain different types of Automation system. 07

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