Q.1
14 Marks(a)
What is MODBUS ? Give its TCP/IP structure.
(b)
what is Automation ? what are the basic requirement of automation?
(c)
what is DIAC and TRIAC role in industrial Automation system ?
Gujarat Technological UniversitySummer 2026 examination
GTU 3151109 Industrial Automation Summer 2026 Question Paper & PDF
B.E. · EC Engineering · Semester 5 · Subject code 3151109
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 2:30 PM – 5:00 PM
- Questions
- 5 with internal choice
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Q.2
14 Marks(a)
How AC servo drive works for motion control in industry? Explain in detail .
(b)
which sensors are used to measure humidity in industry ? How it works ?
(c)
Give comparison between IGBT and MOSFET ? Give the application of MOSFET and IGBT in industry
OR
(c)
Explain the working of displacement sensor with suitable industrial application example .
Q.3
14 Marks(a)
what is ladder diagram? give its significance .
(b)
What are the points to be considered in PLC selection?
(c)
How DCS can be integrated with PLC and computer ? Explain.
OR
(a)
What is sequential flow chart for PLC ?
(b)
List out all types of temperature sensors used in industry with typical range of temperature measurement
(c)
Explain SCADA system used in industrial automation system with necessary block diagram.
Q.4
14 Marks(a)
Draw ladder diagram for 2 input AND gate and 2 input OR gate .
(b)
Explain the working principle of Flow sensor.
(c)
Explain DCS system with block diagram. Give the advantages of DCS system
OR
(a)
Draw the ladder diagram for Ex-OR gate
(b)
Explain the concept of Pick and place robot
(c)
What is IoT ? Give advantages of IoT based system over traditional system
Q.5
14 Marks(a)
Write Short note : Role of computers in industrial automation
(b)
Write basic construction detail of ROBOT
(c)
what you imagine for Industry 4.0 ? Explain in detail with its advantages
OR
(a)
Write short note on : welding robot for industrial automation
(b)
Compare PLC and SCADA system ued in industrial automation system
(c)
Explain How communication in DCS system works with necessary path flow and diagram.
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About this paper
Official Gujarat Technological University (GTU) examination paper for Industrial Automation (Summer 2026, B.E. · EC Engineering, Sem 5). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.