SME TOOLINGU AM | 149 QUESTIONS AND ANSWERS GRADED A+.

SME TOOLINGU AM | 149 QUESTIONS AND ANSWERS GRADED A+. 1. What AM post-processing technique is used to improve the physical and mechanical properties of metal parts?: Heat treatment 2. What AM process did manufacturers develop in the 1990s that allowed them to produce metal parts?: Direct metal laser sintering (DMLS) 3. What term refers to manufacturers using AM as an intermediary step during a traditional manufacturing operation?: Secondary process 4. What additive manufacturing method involves depositing and curing drops of liquid or liquid-like material?: Material jetting 5. What unique AM feature can help reduce a part's weight while improving its strength and fatigue resistance?: Lattice structures 6. Which of the following parts would a smaller, more inexpensive AM machine be best suited to produce?: Conceptual model 7. What additive manufacturing method involves sintering granulated material to create a part?: Powder bed fusion (PBF) 8. How do STL files represent the complex, smooth surfaces of CAD model? STL files represent CAD models as:: A series of interconnected triangles. 9. What AM material is available in filaments, liquids, and powders and used in material extrusion and selective laser sintering (SLS)?: Polymer 10. What type of AM layer construction method involves creating lines of material with a single-point source?: 1D channel 11. What computer file represents an AM part as layers and automatically generates the toolpaths for an AM procedure?: G-code 12. What step in the basic AM procedure must engineers or operators complete before creating an STL file and G-code file? Engineers or operators must first:: Create a 3D CAD model of the part. 13. What is an advantage of additive manufacturing? Additive manufacturing:- : Allows for more freedom in part shape 14. What is one aspect of a final part that engineers or operators select when creating the CAD model?: Resolution 15. What is one barrier to AM growth in the overall manufacturing market?: - variable part tolerance 16. What manufacturing process involves stacking layers of material in order to create a finished part?: Additive manufacturing 17. What removable AM components fortify an AM part as it is built?: support structure 18. What type of safety equipment can be used to help prevent operators from building up a slight electrical charge, which could light a pyrophoric material on fire?: Antistatic mats 2 / 10 19. Which additive manufacturing method involves cutting a shape in a thin layer of material and then fusing that with other layers?: Sheet lamination 20. What is one way operators can protect against the electrical hazards associated with additive manufacturing? Operators can:: Ensure the machine is grounded. 21. What type of radiation hazard is caused by the light used to cure liquid photopolymers?: Ultraviolet radiation 22. Which additive manufacturing material can have a chemical reaction and harden if exposed to light?: Liquid photopolymer 23. What additive manufacturing post-processing operation smooths the surface finish of the part and requires a dust mask and gloves?: Filing 24. Which of the following statements describes additive manufacturing? Additive manufacturing is the process of:: Building parts through the stacking of successive layers of material. 25. Which of the following is one of the required categories on a safety data sheet?: Hazard identification 26. How should operators dispose of hazardous additive manufacturing materials? Hazardous manufacturing materials should be:: Sealed in containers for pickup by a disposal agency. 27. What part of a Hazard Communication Standard label illustrates the hazards associated with the material?: pictogram 28. What should operators do before attempting to clean an additive manufacturing machine? Operators should:: Fume extractor 29. What component is used to fix a switch, valve, or energy-isolating mechanism in the "off" position?: Lockout device.