Previous Year Questions in Rapid Prototyping | JUT (2026)

 Rapid Prototyping Questions

Year 2026

• MCQs

    1.In rapid Prototyping by Laser Stereolithography, the resin is cured by __________.

        a. Laser

        b. ultraviolet lamp

        c. both (a)and (b)

        d. None of these.

    2. Laser Stereolithography requires _______ CAD data in order to create solid models.

        a. 1-Dimensional

        b. 2-Dimensional

        c. 3-Dimensional

        d. All of Above

    3. Following is/are Rapid Prototyping process _______.

        a. Photopolymer

        b. Sheet Lamination

        c. Powder sintering

        d. All of Above

    4. Which of the following is not Liquid-based RP system ?

        a. Stereolithography Apparatus

        b. Laminated Object Manufacturing

        c. Solid Ground Curing

        d. Solid Object Ultraviolet-Laser Printer

    5. What is the full name of SLS ?

        a. Selective Laser Simulation

        b. Sintering Laser Simulation

        c. Selective Laser sintering

        d. Stereolithography Laser sintering

 6. Which of the following RP system is not developed by 3D systems ?

        a. Selective Laser Sintering

        b. Multi-jet modeling System

        c. Paper Lamination Technology

        d. Stereolithography Apparatus

 7. STL file format is represented by interaction of _______.

       a. Lines and Hexagons

       b. Lines and Rectangles

       c. Lines and Triangles

       d. Lines and Circles 

• Long Answer type Question

1. Why rapid prototyping is important ? (7)
2. Distinguish between prototype and rapid prototype. (7)
3. With the aid of simple flow chart explain the data flow in rapid prototyping.
4. Explain in details the LENS process with a neat diagram. Also write the advantages and disadvantages.(7)
5. List the important elements in extrusion head in FDM process of building parts in incremental layer allows as complete access (embed, actuators, sensors, etc.) to the internal geometry in shape deposition manufacturing. (7)
6. Compare LOM with SLS along with suitable reasons.(7)
7. What are different types of material available for the SLS system ? What are respective applications.(7)
8. Short note on Need for RP Software.(3.5)
9. Short note on Applications of Power Bed Fusion Processes.(3.5)
10. Short note on Laminated Object Manufacturing.(3.5)
11. Short note on Reverse Engineering.(3.5)
12. Laser Engineered Net Shaping.(3.5)