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sme toolingu AM Exam Practice Questions and Answers 100% Pass What AM post-processing technique is used to improve the physical and mechanical properties of metal parts? - ANSWER-Heat treatment What AM process did manufacturers develop in the 1990s that allowed them to produce metal parts? - A...

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  • November 11, 2024
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  • 2024/2025
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sme toolingu AM Exam Practice

Questions and Answers 100% Pass


What AM post-processing technique is used to improve the physical and mechanical properties of metal

parts? - ANSWER✔✔-Heat treatment


What AM process did manufacturers develop in the 1990s that allowed them to produce metal parts? -

ANSWER✔✔-Direct metal laser sintering (DMLS)


What term refers to manufacturers using AM as an intermediary step during a traditional manufacturing

operation? - ANSWER✔✔-Secondary process


What additive manufacturing method involves depositing and curing drops of liquid or liquid-like

material? - ANSWER✔✔-Material jetting


What unique AM feature can help reduce a part's weight while improving its strength and fatigue

resistance? - ANSWER✔✔-Lattice structures


Which of the following parts would a smaller, more inexpensive AM machine be best suited to produce?

- ANSWER✔✔-Conceptual model


What additive manufacturing method involves sintering granulated material to create a part? -

ANSWER✔✔-Powder bed fusion (PBF)


How do STL files represent the complex, smooth surfaces of CAD model? STL files represent CAD models

as: - ANSWER✔✔-A series of interconnected triangles.



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What AM material is available in filaments, liquids, and powders and used in material extrusion and

selective laser sintering (SLS)? - ANSWER✔✔-Polymer


What type of AM layer construction method involves creating lines of material with a single-point

source? - ANSWER✔✔-1D channel


What computer file represents an AM part as layers and automatically generates the toolpaths for an

AM procedure? - ANSWER✔✔-G-code


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: - ANSWER✔✔-Create a 3D CAD model of the part.


What is an advantage of additive manufacturing? Additive manufacturing: - ANSWER✔✔-Allows for

more freedom in part shape


What is one aspect of a final part that engineers or operators select when creating the CAD model? -

ANSWER✔✔-Resolution


What is one barrier to AM growth in the overall manufacturing market? - ANSWER✔✔-variable part

tolerance


What manufacturing process involves stacking layers of material in order to create a finished part? -

ANSWER✔✔-Additive manufacturing


What removable AM components fortify an AM part as it is built? - ANSWER✔✔-support structure


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? - ANSWER✔✔-Antistatic mats




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Which additive manufacturing method involves cutting a shape in a thin layer of material and then fusing

that with other layers? - ANSWER✔✔-Sheet lamination


What is one way operators can protect against the electrical hazards associated with additive

manufacturing? Operators can: - ANSWER✔✔-Ensure the machine is grounded.


What type of radiation hazard is caused by the light used to cure liquid photopolymers? - ANSWER✔✔-

Ultraviolet radiation


Which additive manufacturing material can have a chemical reaction and harden if exposed to light? -

ANSWER✔✔-Liquid photopolymer


What additive manufacturing post-processing operation smooths the surface finish of the part and

requires a dust mask and gloves? - ANSWER✔✔-Filing


Which of the following statements describes additive manufacturing? Additive manufacturing is the

process of: - ANSWER✔✔-Building parts through the stacking of successive layers of material.


Which of the following is one of the required categories on a safety data sheet? - ANSWER✔✔-Hazard

identification


How should operators dispose of hazardous additive manufacturing materials? Hazardous manufacturing

materials should be: - ANSWER✔✔-Sealed in containers for pickup by a disposal agency.


What part of a Hazard Communication Standard label illustrates the hazards associated with the

material? - ANSWER✔✔-pictogram


What should operators do before attempting to clean an additive manufacturing machine? Operators

should: - ANSWER✔✔-Fume extractor



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