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

| Subject Code: DI04000291                                                                                                                                                            | Subject Code: DI04000291                                                                                                                                                            | Subject Code: DI04000291                                                                                                                                                                                                                                  | Date: 13/05/2026   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------|
| Subject Name:  Industry 4.0                                                                                                                                                         | Subject Name:  Industry 4.0                                                                                                                                                         | Subject Name:  Industry 4.0                                                                                                                                                                                                                               | Total Marks: 70    |
| Time: 10:30 AM TO 01:00 PM Instructions :                                                                                                                                           | Time: 10:30 AM TO 01:00 PM Instructions :                                                                                                                                           | Time: 10:30 AM TO 01:00 PM Instructions :                                                                                                                                                                                                                 |                    |
| 1. Attempt all questions.                                                                                                                                                           | 1. Attempt all questions.                                                                                                                                                           | 1. Attempt all questions.                                                                                                                                                                                                                                 |                    |
| 2. MakeSuitable assumptions wherever necessary 3. Figures to the right indicate full marks. 4. Use of simple calculators and non-programmable scientific calculators are permitted. | 2. MakeSuitable assumptions wherever necessary 3. Figures to the right indicate full marks. 4. Use of simple calculators and non-programmable scientific calculators are permitted. | 2. MakeSuitable assumptions wherever necessary 3. Figures to the right indicate full marks. 4. Use of simple calculators and non-programmable scientific calculators are permitted.                                                                       |                    |
| 5. English version is authentic.                                                                                                                                                    | 5. English version is authentic.                                                                                                                                                    | 5. English version is authentic.                                                                                                                                                                                                                          |                    |
| Q.1                                                                                                                                                                                 | (a)                                                                                                                                                                                 | Define Industry 4.0                                                                                                                                                                                                                                       | 03                 |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૧                                                                                               | ( અ )                                                                                                                                                                               | ઇGLYPH<c=2,font=/QOBAAA+ShrutiRegular> ડGLYPH<c=4,font=/QOBAAA+ShrutiRegular> GLYPH<c=5,font=/QOBAAA+ShrutiRegular> GLYPH<c=6,font=/QOBAAA+ShrutiRegular> 4.0 ને GLYPH<c=13,font=/QOBAAA+ShrutiRegular>ય ાGLYPH<c=16,font=/QOBAAA+ShrutiRegular>ય ા િય ત   કરો | ૦૩                 |
|                                                                                                                                                                                     | (b)                                                                                                                                                                                 | Describe any four limitations of traditional manufacturing systems.                                                                                                                                                                                       | 04                 |
|                                                                                                                                                                                     | ( બ )                                                                                                                                                                               | પરંપરાગત ઉGLYPH<c=26,font=/QOBAAA+ShrutiRegular>પાદ ન GLYPH<c=28,font=/QOBAAA+ShrutiRegular> ણ ાલ ીઓ ની કોઈપણ ચાર મયા$દાઓ% ું  વણ$ન કરો.                                                                                                                               | ૦૪                 |
|                                                                                                                                                                                     | (c)                                                                                                                                                                                 | Explain the impact of Industry 4.0 on mechanical engineering industries.                                                                                                                                                                                  | 07                 |
|                                                                                                                                                                                     | ( ક )                                                                                                                                                                               | િમક(િનકલ એ*GLYPH<c=2,font=/QOBAAA+ShrutiRegular>જિનય,ર-ગ ઉ. ોગો પર ઇGLYPH<c=2,font=/QOBAAA+ShrutiRegular>ડGLYPH<c=4,font=/QOBAAA+ShrutiRegular>GLYPH<c=5,font=/QOBAAA+ShrutiRegular>GLYPH<c=6,font=/QOBAAA+ShrutiRegular>   4.0   ન ી   અ સ ર  સ મ 1 વ ો.        | ૦૭                 |
| અથવા                                                                                                                                                                                 | અથવા                                                                                                                                                                                 | અથવા                                                                                                                                                                                                                                                       |                    |
| OR                                                                                                                                                                                  | OR                                                                                                                                                                                  | OR                                                                                                                                                                                                                                                        |                    |
|                                                                                                                                                                                     | (c)                                                                                                                                                                                 | Explain the role of CAD, CAM and CAE in Industry 4.0.                                                                                                                                                                                                     | 07                 |
|                                                                                                                                                                                     | ( ક )                                                                                                                                                                               | ઇGLYPH<c=2,font=/QOBAAA+ShrutiRegular> ડGLYPH<c=4,font=/QOBAAA+ShrutiRegular> GLYPH<c=5,font=/QOBAAA+ShrutiRegular> GLYPH<c=6,font=/QOBAAA+ShrutiRegular> 4.0 માં CAD, CAM અને CAE ની 8 ૂિમકા સમ1વો.                                                              | ૦૭                 |
| Q.2                                                                                                                                                                                 | (a)                                                                                                                                                                                 | Define Artificial Intelligence (AI).                                                                                                                                                                                                                      | 03                 |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૨                                                                                               | ( અ )                                                                                                                                                                               | આટ<ફGLYPH<c=6,font=/QOBAAA+ShrutiRegular> સ ી ય લ  ઇGLYPH<c=2,font=/QOBAAA+ShrutiRegular>ટ(>લ જ GLYPH<c=2,font=/QOBAAA+ShrutiRegular>સ   (AI)  ન ે  GLYPH<c=13,font=/QOBAAA+ShrutiRegular>ય ા GLYPH<c=16,font=/QOBAAA+ShrutiRegular>ય ા િય ત   કરો.             | ૦૩                 |
|                                                                                                                                                                                     | (b)                                                                                                                                                                                 | Describe any four features of Machine Learning.                                                                                                                                                                                                           | 04                 |
|                                                                                                                                                                                     | ( બ )                                                                                                                                                                               | મશીન લિનCગની કોઈપણ ચાર િવશેષતાઓ%ું વણ$ન કરો.                                                                                                                                                                                                                         | ૦૪                 |
|                                                                                                                                                                                     | (c)                                                                                                                                                                                 | Explain the applications of Machine Learning in predictive maintenance.                                                                                                                                                                                   | 07                 |
|                                                                                                                                                                                     | ( ક )                                                                                                                                                                               | GLYPH<c=28,font=/QOBAAA+ShrutiRegular>ે,ડEFટવ મેઇટ(નGLYPH<c=2,font=/QOBAAA+ShrutiRegular>સમા ં મશીન લિનCગના ઉપયોગો સમ1વો.                                                                                                                                           | ૦૭                 |
| અથવા                                                                                                                                                                                 | અથવા                                                                                                                                                                                 | અથવા                                                                                                                                                                                                                                                       | અથવા                |
| Q.2                                                                                                                                                                                 | (a)                                                                                                                                                                                 | Define Machine Learning.                                                                                                                                                                                                                                  | 03                 |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૨                                                                                               | ( અ )                                                                                                                                                                               | મશીન લિનCગ GLYPH<c=13,font=/QOBAAA+ShrutiRegular>યાGLYPH<c=16,font=/QOBAAA+ShrutiRegular>ય ાિય ત  કરો.                                                                                                                                                          | ૦૩                 |
|                                                                                                                                                                                     | (b)                                                                                                                                                                                 | Describe the applications of Collaborative Robots (Cobots) in Smart Manufacturing.                                                                                                                                                                        | 04                 |
|                                                                                                                                                                                     | ( બ )                                                                                                                                                                               | GLYPH<c=4,font=/QOBAAA+ShrutiRegular> માટ$ મેGLYPH<c=2,font=/QOBAAA+ShrutiRegular>Gુફ(Fચ,ર-ગમાં સહયોગી રોબોJસ (કોબોJસ)ના ઉપયોગો%ું વણ$ન કરો.                                                                                                                               | ૦૪                 |
|                                                                                                                                                                                     | (c)                                                                                                                                                                                 | Explain the need of Artificial Intelligence in modern production systems.                                                                                                                                                                                 | 07                 |
|                                                                                                                                                                                     | ( ક )                                                                                                                                                                               |                                                                                                                                                                                                                                                           | ૦૭                 |

આKુિનક ઉGLYPH&lt;c=26,font=/QOBAAA+ShrutiRegular&gt;પ ાદ ન GLYPH&lt;c=28,font=/QOBAAA+ShrutiRegular&gt; ણ ાલ ીઓ મ ા ં આ ટ&lt;ફGLYPH&lt;c=6,font=/QOBAAA+ShrutiRegular&gt;સ ીય લ  ઇGLYPH&lt;c=2,font=/QOBAAA+ShrutiRegular&gt;ટ(&gt;લ જ GLYPH&lt;c=2,font=/QOBAAA+ShrutiRegular&gt;સ ન ી જ L ,રય ાત  સ મ 1 વ ો.

| Q.3                                                                                   | (a)   | Define smart manufacturing.                                                                                                                                                                                                                                  | 03   |
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| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૩ | ( અ ) | GLYPH<c=4,font=/QOBAAA+ShrutiRegular> મ ાટ$ મેGLYPH<c=2,font=/QOBAAA+ShrutiRegular>G ુ ફ(Fચ,ર-ગની GLYPH<c=13,font=/QOBAAA+ShrutiRegular>ય ાGLYPH<c=16,font=/QOBAAA+ShrutiRegular>ય ા   આ પ ો.                                                                       | ૦૩   |
|                                                                                       | (b)   | Describe any four applications of 3D printing in manufacturing.                                                                                                                                                                                              | 04   |
|                                                                                       | ( બ ) | મેGLYPH<c=2,font=/QOBAAA+ShrutiRegular>G ુફ(Fચ,ર-ગમાં 3D િGLYPH<c=28,font=/QOBAAA+ShrutiRegular>GLYPH<c=2,font=/QOBAAA+ShrutiRegular>ટN ગ ન ા કોઈ પણ ચાર ઉપયોગો% ું  વણ$ન કરો.                                                                                            | ૦૪   |
|                                                                                       | (c)   | Explain the steps involved in reverse engineering process.                                                                                                                                                                                                   | 07   |
|                                                                                       | ( ક ) | ,રવસ$ એ*GLYPH<c=2,font=/QOBAAA+ShrutiRegular>જ િન ય,ર-ગ GLYPH<c=28,font=/QOBAAA+ShrutiRegular> ,Oય ામ ા ં સામેલ પગલા ં સમ1 વો.                                                                                                                                        | ૦૭   |
| Q.3                                                                                   | (a)   | Define Internet of Things (IoT).                                                                                                                                                                                                                             | 03   |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૩ | ( અ ) | ઇGLYPH<c=2,font=/QOBAAA+ShrutiRegular> ટરન ેટ  ઓ ફ િથ-Qસ (IoT) ને GLYPH<c=13,font=/QOBAAA+ShrutiRegular>યાGLYPH<c=16,font=/QOBAAA+ShrutiRegular>ય ાિય ત  કરો.                                                                                                       | ૦૩   |
|                                                                                       | (b)   | Describe any four applications of reverse engineering.                                                                                                                                                                                                       | 04   |
|                                                                                       | ( બ ) | ,રવસ$ એ*GLYPH<c=2,font=/QOBAAA+ShrutiRegular>જ િન ય,ર-ગના કોઈપણ ચાર ઉપયોગો% ું  વણ$ન કરો.                                                                                                                                                                             | ૦૪   |
|                                                                                       | (c)   | Explain how smart manufacturing improves productivity and flexibility.                                                                                                                                                                                       | 07   |
|                                                                                       | ( ક ) | GLYPH<c=4,font=/QOBAAA+ShrutiRegular> માટ$ મેGLYPH<c=2,font=/QOBAAA+ShrutiRegular>G ુફ(Fચ,ર-ગ ઉGLYPH<c=26,font=/QOBAAA+ShrutiRegular>પ ાદ કતા અને T ુ ગમતામાં ક(વી રGLYPH<c=6,font=/QOBAAA+ShrutiRegular>તે T ુ ધારો કર( છે તે                                                | ૦૭   |
|                                                                                       |       | સમ1વો.                                                                                                                                                                                                                                                        |      |
| Q.4                                                                                   | (a)   | Define Human-Machine Interaction (HMI).                                                                                                                                                                                                                      | 03   |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૪ | ( અ ) | માનવ-મશીન ,OયાGLYPH<c=28,font=/QOBAAA+ShrutiRegular>િત,Oયા (HMI) GLYPH<c=13,font=/QOBAAA+ShrutiRegular>યાGLYPH<c=16,font=/QOBAAA+ShrutiRegular>ય ાિયત કરો.                                                                                                            | ૦૩   |
|                                                                                       | (b)   | Describe any four applications of Augmented Reality in industries.                                                                                                                                                                                           | 04   |
|                                                                                       | ( બ ) | ઉ.ોગોમાં ઓગમેGLYPH<c=2,font=/QOBAAA+ShrutiRegular>ટ(ડ ,રયા>લટGLYPH<c=6,font=/QOBAAA+ShrutiRegular>ના કોઈપણ ચાર ઉપયોગો% ું  વણ$ન કરો.                                                                                                                                       | ૦૪   |
|                                                                                       | (c)   | Explain the importance of ergonomics in Human-Machine Interaction.                                                                                                                                                                                           | 07   |
|                                                                                       | ( ક ) | માનવ-મશીન ,OયાGLYPH<c=28,font=/QOBAAA+ShrutiRegular>િત,Oયામાં એગYનોિમFસ% ું  મહGLYPH<c=26,font=/QOBAAA+ShrutiRegular>વ સમ1 વો.                                                                                                                                           | ૦૭   |
| Q.4                                                                                   | (a)   | Define Virtual Reality (VR).                                                                                                                                                                                                                                 | 03   |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૪ | ( અ ) | વZGુ$અલ ,રયા>લટGLYPH<c=6,font=/QOBAAA+ShrutiRegular> (VR) ને GLYPH<c=13,font=/QOBAAA+ShrutiRegular>યાGLYPH<c=16,font=/QOBAAA+ShrutiRegular>ય ાિય ત  કરો.                                                                                                            | ૦૩   |
|                                                                                       | (b)   | Describe any four objectives of Human-Machine Interaction.                                                                                                                                                                                                   | 04   |
|                                                                                       | ( બ ) | માનવ-મશીન ,OયાGLYPH<c=28,font=/QOBAAA+ShrutiRegular>િત,Oયાના કોઈપણ ચાર ઉ]ે^યો% ું  વણ$ન કરો.                                                                                                                                                                              | ૦૪   |
|                                                                                       | (c)   | Explain the working principle of Augmented Reality with suitable examples.                                                                                                                                                                                   | 07   |
|                                                                                       | ( ક ) | યોQય ઉદાહરણો સાથે ઓગમેGLYPH<c=2,font=/QOBAAA+ShrutiRegular>ટ(ડ ,રયા>લટGLYPH<c=6,font=/QOBAAA+ShrutiRegular>ના કાય$કારGLYPH<c=6,font=/QOBAAA+ShrutiRegular> િસ_ા ંતને સમ1 વો.                                                                                                | ૦૭   |
| Q.5                                                                                   | (a)   | Define safety in Industry 4.0.                                                                                                                                                                                                                               | 03   |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૫ | ( અ ) | ઇGLYPH<c=2,font=/QOBAAA+ShrutiRegular> ડGLYPH<c=4,font=/QOBAAA+ShrutiRegular> GLYPH<c=5,font=/QOBAAA+ShrutiRegular> GLYPH<c=6,font=/QOBAAA+ShrutiRegular> 4.0 માં સલામતીને GLYPH<c=13,font=/QOBAAA+ShrutiRegular>યાGLYPH<c=16,font=/QOBAAA+ShrutiRegular>ય ાિય ત કરો. | ૦૩   |
|                                                                                       | (b)   | Describe any four cybersecurity threats in Industry 4.0.                                                                                                                                                                                                     | 04   |
|                                                                                       | ( બ ) | ઇGLYPH<c=2,font=/QOBAAA+ShrutiRegular> ડGLYPH<c=4,font=/QOBAAA+ShrutiRegular> GLYPH<c=5,font=/QOBAAA+ShrutiRegular> GLYPH<c=6,font=/QOBAAA+ShrutiRegular> 4.0 માં કોઈપણ ચાર સાયબર Tુર`ા જોખમો%ું વણ$ન કરો.                                                               | ૦૪   |
|                                                                                       | (c)   | Explain the importance of safety in networked production environments.                                                                                                                                                                                       | 07   |

|                                                                                       | ( ક )   | નેટવક$વાળા ઉGLYPH<c=26,font=/QOBAAA+ShrutiRegular>પાદ ન વાતાવરણમાં સલામતી% ું  મહGLYPH<c=26,font=/QOBAAA+ShrutiRegular>વ સમ1 વો.                                                                                                                         | ૦૭   |
|---------------------------------------------------------------------------------------|---------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------|
|                                                                                       |         | અથવા                                                                                                                                                                                                                                         |      |
|                                                                                       |         | OR                                                                                                                                                                                                                                          |      |
| Q.5                                                                                   | (a)     | Define cybersecurity.                                                                                                                                                                                                                       | 03   |
| GLYPH<c=1,font=/QZAAAA+BalooBhai2Regular> GLYPH<c=2,font=/QZAAAA+BalooBhai2Regular> ૫ | ( અ )   | સાયબર Tુર`ા GLYPH<c=13,font=/QOBAAA+ShrutiRegular>યાGLYPH<c=16,font=/QOBAAA+ShrutiRegular>ય ાિય ત  કરો.                                                                                                                                            | ૦૩   |
|                                                                                       | (b)     | Describe any four risks involved in human-robot collaboration.                                                                                                                                                                              | 04   |
|                                                                                       | ( બ )   | માનવ-રોબોટ સહયોગમાં સામેલ કોઈપણ ચાર જોખમો%ું વણ$ન કરો.                                                                                                                                                                                                     | ૦૪   |
|                                                                                       | (c)     | Explain how Industry 4.0 technologies help in improving machine safety.                                                                                                                                                                     | 07   |
|                                                                                       | ( ક )   | ઇGLYPH<c=2,font=/QOBAAA+ShrutiRegular> ડGLYPH<c=4,font=/QOBAAA+ShrutiRegular> GLYPH<c=5,font=/QOBAAA+ShrutiRegular> GLYPH<c=6,font=/QOBAAA+ShrutiRegular> 4.0 ટ(કનોલોc મશીન સલામતી Tુધારવામાં ક(વી રGLYPH<c=6,font=/QOBAAA+ShrutiRegular>તે મદદ કર( છે તે | ૦૭   |

સમ1વો.

*****