SME TOOLINGU AM UPDATED
ACTUAL Exam Questions and
CORRECT Answers
What AM post-processing technique is used to improve the physical and mechanical
properties of metal parts? - CORRECT ANSWER✔✔- Heat treatment
What AM process did manufacturers develop in the 1990s that allowed them to produce
metal parts? - CORRECT ANSWER✔✔- Direct metal laser sintering (DMLS)
What term refers to manufacturers using AM as an intermediary step during a traditional
manufacturing operation? - CORRECT ANSWER✔✔- Secondary process
What additive manufacturing method involves depositing and curing drops of liquid or
liquid-like material? - CORRECT ANSWER✔✔- Material jetting
What unique AM feature can help reduce a part's weight while improving its strength and
fatigue resistance? - CORRECT ANSWER✔✔- Lattice structures
Which of the following parts would a smaller, more inexpensive AM machine be best suited
to produce? - CORRECT ANSWER✔✔- Conceptual model
What additive manufacturing method involves sintering granulated material to create a part? -
CORRECT ANSWER✔✔- Powder bed fusion (PBF)
How do STL files represent the complex, smooth surfaces of CAD model? STL files
represent CAD models as: - CORRECT ANSWER✔✔- A series of interconnected triangles.
What AM material is available in filaments, liquids, and powders and used in material
extrusion and selective laser sintering (SLS)? - CORRECT ANSWER✔✔- Polymer
What type of AM layer construction method involves creating lines of material with a single-
point source? - CORRECT ANSWER✔✔- 1D channel
,What computer file represents an AM part as layers and automatically generates the toolpaths
for an AM procedure? - CORRECT 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: - CORRECT ANSWER✔✔-
Create a 3D CAD model of the part.
What is an advantage of additive manufacturing? Additive manufacturing: - CORRECT
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? - CORRECT ANSWER✔✔- Resolution
What is one barrier to AM growth in the overall manufacturing market? - CORRECT
ANSWER✔✔- variable part tolerance
What manufacturing process involves stacking layers of material in order to create a finished
part? - CORRECT ANSWER✔✔- Additive manufacturing
What removable AM components fortify an AM part as it is built? - CORRECT
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? - CORRECT
ANSWER✔✔- Antistatic mats
Which additive manufacturing method involves cutting a shape in a thin layer of material and
then fusing that with other layers? - CORRECT ANSWER✔✔- Sheet lamination
What is one way operators can protect against the electrical hazards associated with additive
manufacturing? Operators can: - CORRECT ANSWER✔✔- Ensure the machine is
grounded.
, What type of radiation hazard is caused by the light used to cure liquid photopolymers? -
CORRECT ANSWER✔✔- Ultraviolet radiation
Which additive manufacturing material can have a chemical reaction and harden if exposed
to light? - CORRECT ANSWER✔✔- Liquid photopolymer
What additive manufacturing post-processing operation smooths the surface finish of the part
and requires a dust mask and gloves? - CORRECT ANSWER✔✔- Filing
Which of the following statements describes additive manufacturing? Additive manufacturing
is the process of: - CORRECT 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? - CORRECT
ANSWER✔✔- Hazard identification
How should operators dispose of hazardous additive manufacturing materials? Hazardous
manufacturing materials should be: - CORRECT 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? - CORRECT ANSWER✔✔- pictogram
What should operators do before attempting to clean an additive manufacturing machine?
Operators should: - CORRECT ANSWER✔✔- Fume extractor
What component is used to fix a switch, valve, or energy-isolating mechanism in the "off"
position? - CORRECT ANSWER✔✔- Lockout device
What type of personal protective equipment protects operators from inhaling fumes, gases,
and other airborne hazards? - CORRECT ANSWER✔✔- Respirator
ACTUAL Exam Questions and
CORRECT Answers
What AM post-processing technique is used to improve the physical and mechanical
properties of metal parts? - CORRECT ANSWER✔✔- Heat treatment
What AM process did manufacturers develop in the 1990s that allowed them to produce
metal parts? - CORRECT ANSWER✔✔- Direct metal laser sintering (DMLS)
What term refers to manufacturers using AM as an intermediary step during a traditional
manufacturing operation? - CORRECT ANSWER✔✔- Secondary process
What additive manufacturing method involves depositing and curing drops of liquid or
liquid-like material? - CORRECT ANSWER✔✔- Material jetting
What unique AM feature can help reduce a part's weight while improving its strength and
fatigue resistance? - CORRECT ANSWER✔✔- Lattice structures
Which of the following parts would a smaller, more inexpensive AM machine be best suited
to produce? - CORRECT ANSWER✔✔- Conceptual model
What additive manufacturing method involves sintering granulated material to create a part? -
CORRECT ANSWER✔✔- Powder bed fusion (PBF)
How do STL files represent the complex, smooth surfaces of CAD model? STL files
represent CAD models as: - CORRECT ANSWER✔✔- A series of interconnected triangles.
What AM material is available in filaments, liquids, and powders and used in material
extrusion and selective laser sintering (SLS)? - CORRECT ANSWER✔✔- Polymer
What type of AM layer construction method involves creating lines of material with a single-
point source? - CORRECT ANSWER✔✔- 1D channel
,What computer file represents an AM part as layers and automatically generates the toolpaths
for an AM procedure? - CORRECT 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: - CORRECT ANSWER✔✔-
Create a 3D CAD model of the part.
What is an advantage of additive manufacturing? Additive manufacturing: - CORRECT
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? - CORRECT ANSWER✔✔- Resolution
What is one barrier to AM growth in the overall manufacturing market? - CORRECT
ANSWER✔✔- variable part tolerance
What manufacturing process involves stacking layers of material in order to create a finished
part? - CORRECT ANSWER✔✔- Additive manufacturing
What removable AM components fortify an AM part as it is built? - CORRECT
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? - CORRECT
ANSWER✔✔- Antistatic mats
Which additive manufacturing method involves cutting a shape in a thin layer of material and
then fusing that with other layers? - CORRECT ANSWER✔✔- Sheet lamination
What is one way operators can protect against the electrical hazards associated with additive
manufacturing? Operators can: - CORRECT ANSWER✔✔- Ensure the machine is
grounded.
, What type of radiation hazard is caused by the light used to cure liquid photopolymers? -
CORRECT ANSWER✔✔- Ultraviolet radiation
Which additive manufacturing material can have a chemical reaction and harden if exposed
to light? - CORRECT ANSWER✔✔- Liquid photopolymer
What additive manufacturing post-processing operation smooths the surface finish of the part
and requires a dust mask and gloves? - CORRECT ANSWER✔✔- Filing
Which of the following statements describes additive manufacturing? Additive manufacturing
is the process of: - CORRECT 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? - CORRECT
ANSWER✔✔- Hazard identification
How should operators dispose of hazardous additive manufacturing materials? Hazardous
manufacturing materials should be: - CORRECT 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? - CORRECT ANSWER✔✔- pictogram
What should operators do before attempting to clean an additive manufacturing machine?
Operators should: - CORRECT ANSWER✔✔- Fume extractor
What component is used to fix a switch, valve, or energy-isolating mechanism in the "off"
position? - CORRECT ANSWER✔✔- Lockout device
What type of personal protective equipment protects operators from inhaling fumes, gases,
and other airborne hazards? - CORRECT ANSWER✔✔- Respirator
