What is the exam pattern and passing mark for GTU Industrial Automation (3151109)?

The GTU theory examination carries 70 total marks with a duration of 2.5 Hours. Minimum passing criteria is 23 marks (33%). The paper consists of 5 main questions with official marking breakdown and internal choices.

Where can I download the official GTU 3151109 Summer 2025 question paper PDF?

The official GTU question paper PDF is linked directly from Gujarat Technological University's official examination archive. You can view the full paper online or download the original file.

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Gujarat Technological UniversitySummer 2025 examination

GTU 3151109 Industrial Automation Summer 2025 Question Paper & PDF

B.E. · EC Engineering · Semester 5 · Subject code 3151109

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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.1

14 Marks

(a)

3 marks

What is the difference between MODBUS and PROFIBUS used in industrial networking?

(b)

4 marks

How does the data acquisition works in SCADA?

(c)

7 marks

What is the role of power MOSFET and IGBT in automation system? Explain with example. Of a distributed control system used in process industries.

Q.2

14 Marks

(a)

3 marks

List out pressure sensors used in industry. State its working principle

(b)

4 marks

Give details about PH sensor. What is its importance in industrial system?

(c)

7 marks

Draw and explain the block diagram of Industrial Automation system.

(c)

7 marks

What is the principle of AC and DC servo motor? Give application of them in industrial automation system.

Q.3

14 Marks

(a)

3 marks

What is ladder diagram? Draw some symbols used in ladder diagram.

(b)

4 marks

Short note on : Sequential flow chart for PLC

(c)

7 marks

What is DCS? Explain DCS in industrial automation with necessary block diagram.

(a)

3 marks

What are process control valves? How it works?

(b)

4 marks

What are the basic protocols for installation and selection of PLC in industry?

(c)

7 marks

Which robot is used for pick and place? What the application is of pick and place mechanism?

Q.4

14 Marks

(a)

3 marks

What is SCADA? How it is differ from PLC?

(b)

4 marks

Give overview of Industry 4.0.

(c)

7 marks

What is IoT? How it is useful for modern industry compare to traditional industry.

(a)

3 marks

Draw a ladder diagram for AND gate logic with 2 input.

(b)

4 marks

Short note : Power electronics components DIAC and TRIAC for industrial application

(c)

7 marks

What are the different types of temperature? Explain PT 100 and PT

1000

Q.5

14 Marks

(a)

3 marks

Enlist advantages of DCS.

(b)

4 marks

Explain with example about the Role of computers in measurement and control in industrial automation system

(c)

7 marks

Explain Analog digital input and output modules for PLC system in detail.

(a)

3 marks

What are the basic requirements for construction and configuration of robot for industry

(b)

4 marks

What type of robot is used for welding?

(c)

7 marks

On which principle displacement sensor works? State one of the applications of it with example.

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About this paper

Official Gujarat Technological University (GTU) examination paper for Industrial Automation (Summer 2025, 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.

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