## GUJARAT TECHNOLOGICAL UNIVERSITY DIPLOMA IN ENGINEERING - SEMESTER 4 - EXAMINATION - SUMMER 2026

બ

૦૪

|                                                                                                                                      |                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                            | Date: 13/05/2026   |
|--------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------|
| Subject Name: INDUSTRIAL AUTOMATION                                                                                                  | Subject Name: INDUSTRIAL AUTOMATION                                                                                                  | Subject Name: INDUSTRIAL AUTOMATION                                                                                                                                                                                                                                                                                                        | Date: 13/05/2026   |
| Time: 10:30 AM TO 01:00 PM                                                                                                           | Time: 10:30 AM TO 01:00 PM                                                                                                           | Time: 10:30 AM TO 01:00 PM                                                                                                                                                                                                                                                                                                                 | Total Marks: 70    |
| Instructions :                                                                                                                       | Instructions :                                                                                                                       | Instructions :                                                                                                                                                                                                                                                                                                                             | Total Marks: 70    |
| 1. Attempt all questions.                                                                                                            | 1. Attempt all questions.                                                                                                            | 1. Attempt all questions.                                                                                                                                                                                                                                                                                                                  | Total Marks: 70    |
| 2. MakeSuitable assumptions wherever necessary                                                                                       | 2. MakeSuitable assumptions wherever necessary                                                                                       | 2. MakeSuitable assumptions wherever necessary                                                                                                                                                                                                                                                                                             | Total Marks: 70    |
| 3. Figures to the right indicate full marks. 4. Use of simple calculators and non-programmable scientific calculators are permitted. | 3. Figures to the right indicate full marks. 4. Use of simple calculators and non-programmable scientific calculators are permitted. | 3. Figures to the right indicate full marks. 4. Use of simple calculators and non-programmable scientific calculators are permitted.                                                                                                                                                                                                       | Total Marks: 70    |
| 5. English version is authentic.                                                                                                     | 5. English version is authentic.                                                                                                     | 5. English version is authentic.                                                                                                                                                                                                                                                                                                           | Total Marks: 70    |
| Q.1                                                                                                                                  | (a)                                                                                                                                  | Define industrial automation and state its major goals.                                                                                                                                                                                                                                                                                    | 03                 |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૧                                                | ( અ )                                                                                                                                | ઔGLYPH<c=6,font=/QZAAAA+BalooBhai2Regular>ોGLYPH<c=8,font=/QZAAAA+BalooBhai2Regular> ગક GLYPH<c=11,font=/QZAAAA+BalooBhai2Regular>વચાલનની GLYPH<c=18,font=/QZAAAA+BalooBhai2Regular>યાGLYPH<c=20,font=/QZAAAA+BalooBhai2Regular>યા આપો અને તેના મુGLYPH<c=20,font=/QZAAAA+BalooBhai2Regular>ય હGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>તુઓ લખીને જણાવો. | ૦૩                 |
|                                                                                                                                      | (b)                                                                                                                                  | Explain the architecture of centralized and distributed automation systems.                                                                                                                                                                                                                                                                | 04                 |
|                                                                                                                                      | ( બ )                                                                                                                                | કGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>%&'યકૃત  (Centralized)  અને િવત*રત  (Distributed)  GLYPH<c=11,font=/QZAAAA+BalooBhai2Regular>વચાલન GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> ણાલીની રચના લખીને સમ-વો.                                                                                                                                      | ૦૪                 |
|                                                                                                                                      | (c)                                                                                                                                  | Prepare and explain the block diagram of a SCADA (Supervisory Control And Data Acquisition) system with proper components.                                                                                                                                                                                                                 | 07                 |
|                                                                                                                                      | ( ક )                                                                                                                                | S.C.A.D.A. (Supervisory Control And Data Acquisition)  /સGLYPH<c=11,font=/QZAAAA+BalooBhai2Regular>ટમનો યો1ય ઘટકો સાથે 4લોક ડાયા6ામ તૈયાર કરો અને લખીને સમ-વો. અથવા                                                                                                                                                                                         | ૦૭                 |
|                                                                                                                                      | (c)                                                                                                                                  | OR Design a simple H.M.I. (Human Machine Interface) screen for motor start-stop                                                                                                                                                                                                                                                            | 07                 |
|                                                                                                                                      | ( ક )                                                                                                                                | મોટરના GLYPH<c=11,font=/QZAAAA+BalooBhai2Regular>ટાટ9 - GLYPH<c=11,font=/QZAAAA+BalooBhai2Regular>ટોપ ઓપરGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>શન સાથે એલામ9 માટGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular> સરળ  H.M.I. (Human Machine Interface) =>?ન *ડઝાઇન લખીને કરો.                                                                            | ૦૭                 |
| Q.2                                                                                                                                  | (a)                                                                                                                                  | List the stages of an automation project life cycle.                                                                                                                                                                                                                                                                                       | 03                 |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૨                                                | ( અ )                                                                                                                                | ઓટોમેશન GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> ો જેCટ લાઈફ સાયકલના તબFાઓની યાદH લખો.                                                                                                                                                                                                                                                               | ૦૩                 |
|                                                                                                                                      | (b)                                                                                                                                  | Explain the working principle of  Feedback  control strategy.                                                                                                                                                                                                                                                                              | 04                 |
|                                                                                                                                      | ( બ )                                                                                                                                | ફ?ડબેક કં ટ > ોલ GLYPH<c=11,font=/QZAAAA+BalooBhai2Regular> ટ>ે ટ GLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>Jના કાય9/સKLતને લખીને સમ-વો.                                                                                                                                                                                                             | ૦૪                 |
|                                                                                                                                      | (c)                                                                                                                                  | Apply ISA-S88 (International Society of Automation)batch control concepts to automate a mixing tank process.                                                                                                                                                                                                                               | 07                 |
|                                                                                                                                      | ( ક )                                                                                                                                | િમMNOગ ટLક? GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> P Qય ાના ઓટોમેશન માટGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>  ISA-S88 (International Society of Automation) બેચ કં ટ > ોલના /સKLતોનો ઉપયોગ લખીને કરો. અથવા                                                                                                                                          | ૦૭                 |
| Q.2                                                                                                                                  | (a)                                                                                                                                  | Define cascade control strategy and  Loop diagrams.                                                                                                                                                                                                                                                                                        | 03                 |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૨                                                | ( અ )                                                                                                                                | કGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>=ેડ કં ટ > ોલ GLYPH<c=11,font=/QZAAAA+BalooBhai2Regular> ટ>ે ટ GLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>J અને લૂપ ડાયા6ામની GLYPH<c=18,font=/QZAAAA+BalooBhai2Regular>યાGLYPH<c=20,font=/QZAAAA+BalooBhai2Regular>યા લખો.                                                                                   | ૦૩                 |
|                                                                                                                                      | (b)                                                                                                                                  | Explain the working principle of Ratio control strategy.                                                                                                                                                                                                                                                                                   | 04                 |
|                                                                                                                                      | ( )                                                                                                                                  | રGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>Tશયો કં ટ > ોલ GLYPH<c=11,font=/QZAAAA+BalooBhai2Regular> ટ>ે ટ GLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>Jના કાય9/સKLતને લખીને સમ-વો.                                                                                                                                                                    |                    |

|                                                                                       | (c)   | Draw a simple P&ID (Piping and Instrumentation Diagram) of a liquid level control system using standard symbols and explain it.                                                                                                             | 07   |
|---------------------------------------------------------------------------------------|-------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------|
|                                                                                       | ( ક ) | GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> મા ણભ ૂત VચWોનો ઉપયોગ કરHને GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> વ ા હ? લેવલ િનયંXણ /સGLYPH<c=11,font=/QZAAAA+BalooBhai2Regular>ટમનું સરળ  P&ID (Piping and Instrumentation Diagram)  દોરો અને તેને લખીને સમ-વો. | ૦૭   |
| Q.3                                                                                   | (a)   | Define Safety Integrity Level (SIL).                                                                                                                                                                                                        | 03   |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૩ | ( અ ) | Safety Integrity Level (SIL)  ની GLYPH<c=18,font=/QZAAAA+BalooBhai2Regular>યાGLYPH<c=20,font=/QZAAAA+BalooBhai2Regular>યા લખો.                                                                                                                  | ૦૩   |
|                                                                                       | (b)   | Explain Basic design of Fire and Gas (F&G) Systems.                                                                                                                                                                                         | 04   |
|                                                                                       | ( બ ) | Fire and Gas System (F&G System)  ની મૂળભૂત રચના લખીને સમ-વો.                                                                                                                                                                                      | ૦૪   |
|                                                                                       | (c)   | Prepare a simple interlocking logic for a Fire and Gas system.                                                                                                                                                                              | 07   |
|                                                                                       | ( ક ) | Fire and Gas System (F&G System)  માટGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular> સરળ  Interlocking Logic  લખીને તૈયાર કરો. અથવા OR                                                                                                                  | ૦૭   |
| Q.3                                                                                   | (a)   | List the Safety Standards.                                                                                                                                                                                                                  | 03   |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૩ | ( અ ) | સલામતીના ધોરણોની યાદH લખો.                                                                                                                                                                                                                          | ૦૩   |
|                                                                                       | (b)   | Explain the basic network segmentation (DMZ).                                                                                                                                                                                               | 04   |
|                                                                                       | ( બ ) | Demilitarized Zone (DMZ)  આધા*રત મૂળભૂત નેટવક 9 િવભાજન લખીને સમ-વો.                                                                                                                                                                                  | ૦૪   |
|                                                                                       | (c)   | Develop a Defence-in-Depth strategy security model for a Control Systems.                                                                                                                                                                   | 07   |
|                                                                                       | ( ક ) | Control System  માટGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>  Defense-in-Depth  આધા*રત  Security Model  લખીને િવકસાવો.                                                                                                                            | ૦૭   |
| Q.4                                                                                   | (a)   | List the types of data acquired in industrial automation.                                                                                                                                                                                   | 03   |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૪ | ( અ ) | Industrial Automation  મL મેળવાતા  Data  ના GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> ક ા રોની યાદH લખો.                                                                                                                                             | ૦૩   |
|                                                                                       | (b)   | Explain the concept of Cloud Integration in the context of Industrial Internet of Things (IIoT).                                                                                                                                            | 04   |
|                                                                                       | ( બ ) | Industrial Internet of Things (IIoT)  ના સંદભ9મL  Cloud Integration  ની સંકZપના લખીને સમ-વો.                                                                                                                                                        | ૦૪   |
|                                                                                       | (c)   | Draw a block diagram of Manufacturing Execution System (MES) integrated with enterprise level (ERP) and Controller, and explain it briefly.                                                                                                 | 07   |
|                                                                                       | ( ક ) | Manufacturing Execution System (MES)  નું  Enterprise Level (ERP)  અને  Controllers સાથે સંક/લત  Block Diagram  દોરો અને તેનું સંT[\તમL લખીને વણ9ન કરો.                                                                                                     | ૦૭   |
| અથવા                                                                                   | અથવા   | અથવા                                                                                                                                                                                                                                         | અથવા  |
| OR                                                                                    | OR    | OR                                                                                                                                                                                                                                          | OR   |
| Q.4                                                                                   | (a)   | List the functions of Data Historians.                                                                                                                                                                                                      | 03   |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૪ | ( અ ) | Data Historian  ના કાય]ની યાદH લખો.                                                                                                                                                                                                              | ૦૩   |
|                                                                                       | (b)   | Explain how OEE (Overall Equipment Effectiveness) is used for performance monitoring.                                                                                                                                                       | 04   |
|                                                                                       | ( બ ) | Overall Equipment Effectiveness (OEE)  નો ઉપયોગ  Performance Monitoring  માટGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular> કGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>વી રHતે થાય છે તે લખીને સમ-વો.                                                       | ૦૪   |
|                                                                                       | (c)   | Draw the architecture of an IIoT(Industrial Internet of Things )-enabled factory and explain it briefly.                                                                                                                                    | 07   |
|                                                                                       | ( ક ) | IIoT (Industrial Internet of Things)  સ[મ ફGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>CટરHની આ_કOટGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>Cચર દોરો અને તેનો સંT[\તમL લખીને સમ-વો.                                                                    | ૦૭   |
| Q.5                                                                                   | (a)   | Define Power Monitoring and Management System (P.M.M.S.).                                                                                                                                                                                   | 03   |

GLYPH&lt;c=1,font=/QZAAAA+BalooBhai2Regular&gt;

GLYPH&lt;c=2,font=/QZAAAA+BalooBhai2Regular&gt;

૫

|                                                                                           | ( અ )   | પાવર મોિનટaરOગ અને મેનેજમેbટ /સGLYPH<c=11,font=/QZAAAA+BalooBhai2Regular>ટમ  (PMMS)  ની GLYPH<c=18,font=/QZAAAA+BalooBhai2Regular>યાGLYPH<c=20,font=/QZAAAA+BalooBhai2Regular>યા લખો.                                                                                                                        | ૦૩   |
|-------------------------------------------------------------------------------------------|---------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------|
|                                                                                           | (b)     | Describe the methods used for waste minimization in industries.                                                                                                                                                                                                                                   | 04   |
|                                                                                           | ( બ )   | ઉGLYPH<c=6,font=/QZAAAA+BalooBhai2Regular>ો ગોમL કચરાના ઘટાડા માટGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular> ઉપયોગમL લેવાતી પKિતઓનું વણ9ન લખીને કરો.                                                                                                                                                                | ૦૪   |
|                                                                                           | (c)     | Calculate the Return on Investment (R.O.I.) for an automation-based energy-saving project with a suitable example.                                                                                                                                                                                | 07   |
|                                                                                           | ( ક )   | સુયો1ય ઉદાહરણ સાથે કોઈ ઓટોમેશન આધા*રત ઊ-9 બચત GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> ો જેCટ માટGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular> રોકાણ પર વળતર (Return on Investment - ROI)  ગણતરH લખીને કરો.                                                                                                          | ૦૭   |
|                                                                                           | અથવા     | અથવા                                                                                                                                                                                                                                                                                               | અથવા  |
| Q.5 GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૫ | (a)     | Define Carbon Credit in sustainable manufacturing.                                                                                                                                                                                                                                                | 03   |
|                                                                                           | ( અ )   | સGLYPH<c=11,font=/QZAAAA+BalooBhai2Regular> ટGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>નેબલ મેbયુફGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>CચaરOગમL કાબ9ન QGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>*ડટની GLYPH<c=18,font=/QZAAAA+BalooBhai2Regular>યાGLYPH<c=20,font=/QZAAAA+BalooBhai2Regular>યા લખો. | ૦૩   |
|                                                                                           | (b)     | Explain the role of automation in energy conservation.                                                                                                                                                                                                                                            | 04   |
|                                                                                           | ( બ )   | ઊ-9 સંર[ણમL ઓટોમેશનની ભૂિમકા લખીને સમ-વો.                                                                                                                                                                                                                                                                   | ૦૪   |
|                                                                                           | (c)     | Calculate energy savings achieved using V.F.D. (Variable Frequency Drive) in any pump application with a suitable example.                                                                                                                                                                        | 07   |
|                                                                                           | ( ક )   | કોઈપણ પંપ એd\લકGLYPH<c=28,font=/QZAAAA+BalooBhai2Regular>શનમL  V .F.D. ( વે*રયેબલ e?Cવbસી ડ> ાઇવ )  નો ઉપયોગ કરHને GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> ા \ત થતી ઊ-9                                                                                                                                    | ૦૭   |

બચતની

ગણતરH

યો1ય

ઉદાહરણ

સાથે

લખીને

કરો.