Tooling U‑SME Additive Manufacturing (AM) Practice Test

These questions are part of the practice quiz. Start practicing

• Which AM technology is specifically designed to work with polymers in a layer-by-layer fashion?
• What is a disadvantage associated with using AM as a secondary process?
• What distinguishes tool steels in terms of additive manufacturing?
• Which of the following processes is most commonly used for 3D printing in plastic?
• Which AM method is most commonly used for producing metal parts?
• In which scenario would an engineer select an inexpensive plastic as build material?
• For which application is polyamide primarily used in additive manufacturing?
• What post-processing procedure can reduce the visibility of an AM part's layer lines?
• What type of additive manufacturing material typically requires health and safety measures due to potential hazards?
• What type of AM nonferrous alloy has a high strength-to-weight ratio making it ideal for use in automotive and aerospace applications?
• Which type of AM process typically provides for high-level design freedom?
• In which application does using AM as a secondary process require a significant time and resource investment due to the destruction of the AM part?
• What application uses an AM part as a model to help design parts for end-use and other applications?
• What step in the basic AM procedure must engineers or operators complete before creating an STL file and G-code file?
• What is one advantage of adding an AM operation to a traditional manufacturing operation?
• What AM material is available in filaments, liquids, and powders and is used in material extrusion and selective laser sintering (SLS)?
• How can AM affect supply chain management?
• Which of the following is a key drawback of traditional machining?
• How does curing affect thermoset materials?
• What computer file represents an AM part as layers and automatically generates the toolpaths for an AM procedure?
• Which statement accurately describes the nature of additive manufacturing?
• Which property is crucial for materials used in the development of flexible AM parts?
• What property describes a polymer's ability to stretch and return to its original shape in the short term?
• What aspect of metal AM can affect the final properties of the part produced?
• What is the first step for a basic additive manufacturing operation?
• What type of additive manufacturing enables the use of a binder to join powder particles?
• In additive manufacturing, what does the term 'layering' refer to?
• Which of the following is a common AM post-processing procedure?
• What AM process is used to quickly create physical models of a part concept?
• In addition to drawing the part, what is another important CAD modeling feature?
• What is one of the advantages of AM from a manufacturing point of view?
• What term refers to manufacturers using AM as an intermediary step during a traditional manufacturing operation?
• Which of the following statements about AM part orientation is true?
• What impact has additive manufacturing had on the supply chain model?
• How do STL files represent the complex, smooth surfaces of CAD models?
• Which additive manufacturing method is particularly suited for producing complex geometries?
• What role does CAD play in the additive manufacturing process?
• Which of the following casting processes is associated with less expensive production costs compared to other casting processes?
• What is a disadvantage associated with vat photopolymerization?
• In terms of design for AM, what is meant by 'overhang'?
• Which characteristic makes composites a preferred choice in additive manufacturing?
• What process is typically required to finalize an AM part after it has been printed?
• What is one of the challenges of designing for traditional manufacturing?
• What hazard do gloves protect against during an AM process?
• What is a common application for AM in the aerospace industry?
• What is an advantage of metal spraying for creating molds?
• Which AM process involves layering heated build material forced through a nozzle onto a build platform?
• What type of AM part may require extensive post-processing, including support structure removal?
• What type of polymer is exclusively used in material jetting and vat photopolymerization AM processes?
• What type of crystal structure do brittle metals, like titanium, often possess?
• What is the basic definition of additive manufacturing?
• Which of the following AM processes is able to use metal powders?
• What term describes the use of a traditional manufacturing method on an additively manufactured part?
• Which of the following statements about vats used in top-down printing systems is true?
• What type of thermoplastic is biocompatible and suitable for AM dental and medical applications?
• What process produces irregularly shaped, tough metal powders that have a relatively high impurity and surface-oxygen content?
• Which AM method involves dispensing an adhesive material onto layers of granulated build material?
• What does the term 'post-processing' refer to in additive manufacturing?
• Which additive manufacturing material can have a chemical reaction and harden if exposed to light?
• Which of the following is a disadvantage associated with directed energy deposition?
• Which AM output file breaks the 3D part model into layers for machine processing?
• Which of the following is a burr-free process that is capable of quickly producing small and fragile complex parts due to its lack of cutting forces?
• Which factor plays a crucial role in determining the mechanical properties of parts produced via additive manufacturing?
• What type of personal protective equipment protects operators from inhaling fumes, gases, and other airborne hazards?
• What is true about conceptual models?
• What is an advantage of additive manufacturing?
• What is an advantage of using cobalt-chromium superalloys?
• How does powder bed fusion build part layers?
• What is an example of part integration using AM processes?
• What component is used to fix a switch, valve, or energy-isolating mechanism in the "off" position?
• What AM material do manufacturers increasingly use when creating parts with material extrusion to achieve excellent strength-to-weight ratios?
• What AM method deposits a liquid adhesive onto very thin layers of powdered build material?
• What is a benefit of using AM processes to create EDM electrodes?
• What factor can adversely affect the mechanical properties of AM parts?
• What additive manufacturing post-processing operation smooths the surface finish of the part and requires a dust mask and gloves?
• In the context of AM, what does STL stand for?
• Which of the following is an important step in converting CAD models to STL files?
• Which of the following is a hybrid sheet lamination process that uses vibrations to bond together layers of metal foil?
• Which AM method uses one or more print heads to successively layer droplets of build material onto a build platform?
• What type of thermoplastic is characterized by having a glass transition temperature rather than a true melting point?
• Which of the following complexities associated with AM would allow for an engineer to design moving features directly into a part build?
• How do manufacturers use AM methods to streamline the silicone molding process?
• What is one action operators may need to perform while running an AM machine?
• What process initiates cross-linking between thermoset molecule chains?
• What is a disadvantage associated with vat photopolymerization?
• What type of AM part is able to change its behavior depending on environmental factors?
• What is AM's ability to quickly modify a generic part design to serve a specific customer or application called?
• What type of safety equipment can be used to help prevent operators from building up a slight electrical charge?
• What type of commonly used AM metal is exceedingly strong due to high carbon levels?
• Which safety measure should be considered when working with photopolymers?
• Which AM method builds part layers by exposing build material to radiation emitted by light?
• What is an advantage associated with material jetting?
• Which of the following is a common material used in additive manufacturing?
• What is one advantage end-use AM parts provide the aerospace industry?
• What AM method allows manufacturers to directly build sacrificial sand molds without the use of a master pattern?
• Which AM method would be best suited for quickly creating metal AM prototypes?
• Which process can benefit from reducing layer thickness in material extrusion?
• What mechanical property measures a material's ability to resist scratches or dents?
• What is a common challenge associated with material extrusion in additive manufacturing?
• What is one way operators can protect against the electrical hazards associated with additive manufacturing?
• What term describes using AM to produce tooling, such as jigs and molds, that will be used in a traditional manufacturing operation?
• What is one of the important parameters to set on an AM machine before building a part?
• Which of the following statements describes additive manufacturing?
• Which statement about ceramic selection for AM processes is true?
• Which AM method can manufacturers use to significantly reduce tooling costs associated with die repair expenses?
• Which statement about selecting an AM process is true?
• What additive manufacturing method involves depositing and curing drops of liquid or liquid-like material?
• What step does an operator perform after shutting the safeguards of a direct metal laser sintering (DMLS) machine and before starting the build process?
• Which additive manufacturing technology allows for the mixing of materials during the printing process?
• Which of the following statements is true regarding the characteristics of thermoset polymers?
• What is part integration in additive manufacturing?
• In additive manufacturing, what is the primary purpose of post-processing?
• Which mechanical property allows certain metals, such as copper, to be easily shaped without breaking?
• Which of the following is a disadvantage of using melting powder bed fusion (PBF) processes?
• What is a major advantage of using 3D CAD software in additive manufacturing?
• What additive manufacturing method involves sintering granulated material to create a part?
• What type of part modeling creates a representation of every point within the part?
• What non-magnetic superalloy group is used in parts for medical applications due to its high levels of biocompatibility and resistance to corrosion and wear?
• What is an important step when taking a part out of the granulated material used in binder jetting or powder bed fusion machines?
• Which additive manufacturing technique is known for its ability to create high-resolution parts with fine details?
• What is an advantage associated with binder jetting?
• Which of the following statements about polymer microstructure is true?
• Which AM process is known for its capability to create dense and high-quality metal parts?
• What is one of the steps of design for manufacturing that involves assessment of the part?
• What can directed energy deposition (DED) systems use to prevent metal powders from oxidizing?
• What is the role of a support structure in additive manufacturing?
• In the context of additive manufacturing, what does 'design for additive manufacturing' (DFAM) emphasize?
• What property is most significantly improved through heat treatment in additive manufactured metals?
• Which of the following parts would a smaller, more inexpensive AM machine be best suited to produce?
• What type of radiation hazard is caused by the light used to cure liquid photopolymers?
• What material is most commonly used in fused deposition modeling (FDM)?
• What AM method melts build material and then uses nozzles to dispense it in layers on a build platform?
• Why does material extrusion most commonly use thermoplastic build materials?
• What is a significant benefit of AM in rapid prototyping?
• What important build parameter do engineers select during the CAD step of an AM operation?
• What is one advantage of using additive manufacturing (AM) to create end-use parts?
• Which of the following statements about aluminum alloys in AM is correct?
• How can manufacturers reduce the possibility of thermal distortion in a material extrusion process?
• Which processes produce exceedingly strong parts by adding multiple layers of reinforcement material?
• Which process offers a high degree of repeatability and produces metal parts requiring very little finishing?
• How is additive manufacturing different from traditional manufacturing?
• What AM process did manufacturers develop in the 1990s that allowed them to produce metal parts?
• Which of the following statements about vats used in top-down printing systems is true?
• What AM post-processing technique is used to improve the physical and mechanical properties of metal parts?
• One factor that helps determine the number and design of support structures a part needs is?
• How should operators dispose of hazardous additive manufacturing materials?
• Which of the following statements about the advantages associated with material extrusion is true?
• Which statement is true regarding the integration of AM mass customization with traditional manufacturing?
• Which additive manufacturing method involves cutting a shape in a thin layer of material and then fusing that with other layers?
• What part of a Hazard Communication Standard label illustrates the hazards associated with the material?
• What will engineers or operators often select when converting an STL file to a build file?
• What technology is essential for converting a CAD model to a printable format in AM processes?
• What unique AM feature can help reduce a part's weight while improving its strength and fatigue resistance?
• What can directed energy deposition (DED) systems use to prevent metal powders from oxidizing?
• What removable AM components fortify an AM part as it is built?
• AM's ability to create parts with intricate features, such as lattice structures, is an example of what concept?
• Which benefit does AM processes provide in creating customized workholding devices?
• What is a common characteristic of additive manufacturing processes?
• What is one aspect of a final part that engineers or operators select when creating the CAD model?
• What will operators commonly perform while setting up an AM machine in addition to leveling the build platform?
• What is the term used to describe the series of unconnected reference dots created when scanning a part using a reverse engineering tool?
• What AM process uses a controlled ultraviolet (UV) laser to cure specialized liquid plastic or resin?
• Why is it particularly beneficial to create drills using additive manufacturing processes?
• What is the main benefit of using AM for prototyping?
• What manufacturing process involves stacking layers of material in order to create a finished part?
• What is an example of AM mass customization?
• Which property is essential for a material used in 3D printing to ensure durability over time?
• What procedure must a build plate undergo before it can be reused during an AM metal process?
• What do AM expenditures refer to in the context of manufacturing?
• Which statement about using AM in investment casting is true?
• What effect does additive manufacturing have on product development time?
• Which AM process builds parts by layering droplets of liquid photopolymer and curing them with UV light?
• Which of the following is one of the required categories on a safety data sheet?
• What is a common application for using AM in industries like aerospace?
• What is a key advantage of using additive manufacturing in the production of prototypes?
• Which powder bed fusion (PBF) method can use polymer, ceramic, or composite build materials?
• Which of the following statements about using additive manufacturing (AM) as a secondary process for composite molding is true?
• What is additive manufacturing?
• What manufacturing process involves successively layering material to build a part?
• What is the role of a fume extractor in an additive manufacturing workspace?
• What is one major factor that differentiates additive manufacturing from traditional manufacturing?
• Which of the following processes uses sacrificial wax patterns to create sacrificial ceramic molds?
• What is one of the main challenges associated with the use of metal additive manufacturing?
• Which of the following statements about additive manufacturing (AM) is true?
• In additive manufacturing, what is often the primary advantage over traditional subtractive methods?
• Which process uses a flexible, reusable mold to produce complex plastic parts?
• What should operators do before attempting to clean an additive manufacturing machine?
• What AM tool is used to create the 3D digital models to be produced by the machine?
• What is a primary advantage of using lattice structures in additive manufacturing?
• What physical property depends on the ability of a material's electrons to move freely?
• Which AM method uses one or more print heads to successively layer droplets of build material onto a build platform?
• How does additive manufacturing help reduce manufacturing system costs?
• Which of the following is a key benefit of using AM technologies?
• What composite's matrix material is made from compounds such as carbides and metal oxides?
• Why is it important to limit the number of support structures and place them strategically in additive manufacturing?
• What is one benefit of using additive manufacturing for prototyping?
• What can AM processes create for paper pulp tooling processes?
• Which of the following statements about directed energy deposition (DED) build materials is true?
• What does upskilling machine operators for AM processes primarily involve?
• What is a common application of additive manufacturing in the automotive industry?
• What is one of the biggest disadvantages of AM processes compared to traditional manufacturing?
• What mechanical property do ceramics possess at higher levels that surpass those of steels?
• What vat photopolymerization process uses light from a single-point source to trace out a part layer?