Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 7th Sem New 2171103 Industrial Automation Previous Question Paper
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2171103 Date: 19/11/2018
Subject Name: Industrial Automation
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) What is an Industrial Automation? Give Automation?s impact and explain
their classification, also.
03
(b) What is robot? & Explain Basic construction and configuration of robots. 04
(c) What do you mean by SCADA system? Explain basic SCADA architecture
and typical features.
07
Q.2 (a) What is a PLC? Draw block diagram of PLC. Explain each block in detail. 03
(b) Explain welding robot and Pick & place robot? 04
(c) Describe the role and elements of computer-aided measurements and control
with an example.
07
OR
(c) Describe with neat sketches, the construction and working principle of
magnetic flow meter. Also discuss its advantages and disadvantages.
07
Q.3 (a) How pH measurement is done? Explain it in brief. 03
(b) Differentiate Power MOSFET & IGBT. 04
(c) List the different types of speed-measuring devices. Explain, with neat
sketches, the construction and working of any two of them.
07
OR
Q.3 (a) What do you mean by IoT ? How it is useful in industrial automation? 03
(b) What do you mean by (i) Smart sensors (ii) MODBUS (iii) PROFI-BUS 04
(c) What is sensor & Actuator? List various types of sensor & Explain
construction and operation of Resistance thermometer.
07
Q.4 (a) Write the difference between PLC & DCS? 03
(b) List standard interface & Compare RS232 & RS485 interface. 04
(c) Develop a PLC ladder diagram for ON-OFF operation of Motor by using
1. START-NO; STOP-NO push buttons.
2. START-NC; STOP-NC push buttons.
07
OR
Q.4 (a) What are general rules to be followed during PLC installation? 03
(b) List the PLC Programming Languages & Draw any four symbols of ladder
Diagram.
04
(c) A process fan P is to run only when all of the following conditions are met.
and 6 both are off.
Obtain PLC Ladder Logic diagram for this problem.
07
Q.5 (a) Explain Scan cycle of PLC? 03
(b) Why isolation is required in I/O Bus? Explain I/O Bus isolation using opto-
coupler.
04
(c) Write short note on AC & DC drive. 07
OR
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2171103 Date: 19/11/2018
Subject Name: Industrial Automation
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) What is an Industrial Automation? Give Automation?s impact and explain
their classification, also.
03
(b) What is robot? & Explain Basic construction and configuration of robots. 04
(c) What do you mean by SCADA system? Explain basic SCADA architecture
and typical features.
07
Q.2 (a) What is a PLC? Draw block diagram of PLC. Explain each block in detail. 03
(b) Explain welding robot and Pick & place robot? 04
(c) Describe the role and elements of computer-aided measurements and control
with an example.
07
OR
(c) Describe with neat sketches, the construction and working principle of
magnetic flow meter. Also discuss its advantages and disadvantages.
07
Q.3 (a) How pH measurement is done? Explain it in brief. 03
(b) Differentiate Power MOSFET & IGBT. 04
(c) List the different types of speed-measuring devices. Explain, with neat
sketches, the construction and working of any two of them.
07
OR
Q.3 (a) What do you mean by IoT ? How it is useful in industrial automation? 03
(b) What do you mean by (i) Smart sensors (ii) MODBUS (iii) PROFI-BUS 04
(c) What is sensor & Actuator? List various types of sensor & Explain
construction and operation of Resistance thermometer.
07
Q.4 (a) Write the difference between PLC & DCS? 03
(b) List standard interface & Compare RS232 & RS485 interface. 04
(c) Develop a PLC ladder diagram for ON-OFF operation of Motor by using
1. START-NO; STOP-NO push buttons.
2. START-NC; STOP-NC push buttons.
07
OR
Q.4 (a) What are general rules to be followed during PLC installation? 03
(b) List the PLC Programming Languages & Draw any four symbols of ladder
Diagram.
04
(c) A process fan P is to run only when all of the following conditions are met.
and 6 both are off.
Obtain PLC Ladder Logic diagram for this problem.
07
Q.5 (a) Explain Scan cycle of PLC? 03
(b) Why isolation is required in I/O Bus? Explain I/O Bus isolation using opto-
coupler.
04
(c) Write short note on AC & DC drive. 07
OR
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2
Q.5 (a) Explain features and advantages of DCS systems. 03
(b) Discuss about the various types of displays that can be achieved using DCS
for efficient monitoring of plant parameters.
04
(c) What do you mean by data highway? Explain role of fiber optic in data
highway design and advantages of using fiber optic over twisted pair and
coaxial cable.
07
*************
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This post was last modified on 20 February 2020