Important Questions 

UNIT-I

1. Why is additive manufacturing important? Explain the reason. 

2. Define Additive manufacturing? Explain the basic methodology involved in it.  

3. Explain the classification of additive manufacturing systems?

4. Explain the classification of rapid prototyping process with neat flow chart?

5. What is Photopolymerization?  Explain the VAT polymerization process with neat sketch.

6. Discuss the desirable features of stereolithography resin? What are the advantages and disadvantages of SLA?

7.  Explain Solid ground curing process with neat sketch and its advantages and disadvantages.

8.  Discuss the role of Computer aided design technology in the development of additive manufacturing processes.

9. what are the various resulting perpectives of AM? Discuss them briefly.

10. Describe the laser and laser scanning importance in liquid based RP systems.

11. what are the engineering design rules for AM? Explain their effect.

12. Summarize the factors to be considered in implementing AM processes in manufacturing.

13. Explain the process details on the quality of product in SLA and SGC.

14. Is rapid prototyping is considered as 3D printing? Justify your answer.

15. Define the term layer-based manufacturing. Enumerate the differences between model and prototype.

16. What is compression engineering? Describe its importance in AM process.

UNIT-II

1. Explain in detail about the laminated object manufacturing, its applications, advantages and disadvantages.

2. Explain the working principle, process parameters of an FDM machine and also explain its applications with example, advantages and disadvantages.

3. what are the materials used for FDM and LOM process, their characteristics, mechanical properties and applications? Discuss them.

4. what are the Factors to be considered and  influencing accuracy in FDM and LOM process. Discuss them.

5. Discuss the differences in LOM and FDM process.

6. Explain  the path generation in FDM, LOM process.

7. List out the technical and process specifications of LOM and FDM machines.

UNIT-III

(Mid-I Half Syllabus)

1.  Explain how SLS can be used to produce direct and in-direct prototypes.

2. In detail explain about the process details, machine details, technical specifications, capabilities, various materials used in SLS process.

3.  list out and describe the effect of process parameters in SLS process.

4. Explain about the working principle, process, components, applications, advantages and disadvantages of SLS process.

5. Differentiate between Selective Laser Sintering and 3D printing process

6. Describe the requirements of various materials used for SLS process

7. Discuss clearly about the different types of materials used for 3D printing and also state their respective applications.

8. Explain how the process of SLS is different from LOM. List out its advantages and disadvantages.

9. Distinguish the following process: FDM, LOM, SGC and SLS.

(Mid-II Half Syllabus)

10. Explain the working principle of three-dimensional printing along with its advantages.

11. List out the merits and demerits of 3D printing over other additive manufacturing processes

12. In detail explain about process details and machine details of SLS

13. NC machining is often referred to as a 2.5D process. What does this mean? Why might it not be regarded as fully 3D?

14. Enumerate the basic process and capabilities of SLS process

15. Compare FDM with SLS with suitable reasons

16. List and describe the effect of process parameters in SLS process?

17. Describe the 3D printing process with a case study.

UNIT-IV

1. Compare Rapid tooling with Conventional tooling.

2. Explain various steps involved in production of inserts using 3D Keltool process.

3. Discuss the need of Rapid Tooling in manufacturing industry nowadays.

4. Explain the process of Room Temperature Vulcanizing (RTV) epoxy tooling with neat sketches.

5. Explain the classification of Rapid Tooling process. Also list the limitations of rapid Tooling.

6. Explain about Spray metal tooling and Vacuum casting.

7. Differentiate between the terms direct RT and Indirect RT

8. Explain Direct AIM process

9. Describe the spray metal deposition method with a neat sketch.

10. Describe the various steps involved in ceramic tooling process

11. List out the various indirect rapid tooling methods and explain about the silicon rubber tooling.

12. Explain how vacuum casting is important with reference to Rapid tooling?

13. Explain the Sand-casting tooling and Laminate tooling methods.

14. Describe the role of direct methods of rapid tool production. What are its limitations?

15. List out the differences between diecasting and sand-casting methods of tooling.

16. Summarise the need of rapid tooling in manufacturing components.

UNIT-V

1. List out newly proposed RP data formats and explain about any one of them.

2. Briefly explain application of RP systems in Bio-medical engineering

3. Discuss the advantages and disadvantages of STL file format.

4. Briefly explain application of RP systems in engineering industry.

5. What are common STL file problems? Explain any two of them.

6. Discuss the significance of RP in planning of complex surgeries.

7. Explain about View Expert software in detail.

8. Discuss the application of Rapid prototyping in the aerospace industry with examples.

9.  Describe the importance of Magic software used in Rapid prototyping.

10. Discuss the application of Rapid prototyping in the automotive industry with examples.

11. Explain briefly about the Rapid Prototyping software used in medical field.

12. Identify and explain the important applications of RP systems in the field of Forensic.

13. Explain briefly about the importance of RP software used.

14. Explain the significant role of Rapid Prototyping in Jewellery industry?

15. Explain the application of RP with respect to ―Scaling, Form and Fit in engineering analysis and planning.

16. Discuss the importance of Mimics software in Rapid prototyping.