NPTEL Product Design and Manufacturing Week 9 Assignment Answers 2025
1. Most Additive Manufacturing machines employ a layer-based approach.
- True
- False
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2. What is the essential displaying system accessible to make 3D outlines?
- Wireframe
- Surface
- Solid Modelling
- All of these
Answer :-
3. In which modeling techniques the geometrical database is wealthier and give data on surface associating model edges?
- Surface modeling
- Wireframe modeling
- Solid modeling
- Geometric modeling
Answer :-
4. What is the primary focus of part building in Rapid Prototyping?
- Manual adjustment
- Automated processes
- Crafting
- Hand-held process
Answer :-
5. The 3DW process relies on cut CAD files for building models.
- True
- False
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6. In______, a surge of liquid material is shot out from a sprout?
- Holographic Interference Solidification
- Ballistic Particle Manufacture
- Solid Ground Curing
- Beam Interference Solidification
Answer :-
7. In FDM, what is the material extrusion rate typically dependent upon?
- Nozzle color
- Nozzle temperature
- Nozzle speed
- Nozzle size
Answer :-
8. A MJM machine constructs models utilizing a stage change printing yet connected in three
measurements.
- True
- False
Answer :-
9. What is the purpose of the excess material in LOM and PLT during the build process?
- It forms the final part
- Acts as a support structure
- Enhances UV lights exposure
- Provides color variation
Answer :-
10. Stereolithography (SL), depends on a photosensitive fluid sap which shapes a strong polymer when presented to bright (UV) light.
- True
- False
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