Introduction to Additive Manufacturing
(Manufacturing Degree) Exam-Graded A
How do STL files represent the complex, smooth surfaces of CAD model? STL files
represent CAD models as: - ANSWER-A series of interconnected triangles.
What additive manufacturing method involves depositing and curing drops of liquid or
liquid-like material? - ANSWER-Material jetting
What type of AM layer construction method involves creating an entire layer at once? -
ANSWER-2D channel
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 AM material is available in powders and wire and used in powder bed fusion
(PBF) and directed energy deposition (DED)? - ANSWER-Metal
Which of the following parts would a smaller, more inexpensive AM machine be best
suited to produce? - ANSWER-Conceptual model
What removable AM components fortify an AM part as it is built? - ANSWER-Support
structures
What manufacturing process involves stacking layers of material in order to create a
finished part? - ANSWER-Additive manufacturing
What additive manufacturing method involves curing a liquid-like material held in a
container? - ANSWER-Material Jetting
Which of the following is a design limitation that AM still imposes? AM methods usually
impose restrictions on: - ANSWER-Needing specific design considerations
What solid modeling tool do engineers use to create 3D part models for AM? -
ANSWER-Computer-aided design (CAD)
What type of AM post-processing includes sanding a part to improve its appearance
and tolerance? - ANSWER-Abrasive Finishing
(Manufacturing Degree) Exam-Graded A
How do STL files represent the complex, smooth surfaces of CAD model? STL files
represent CAD models as: - ANSWER-A series of interconnected triangles.
What additive manufacturing method involves depositing and curing drops of liquid or
liquid-like material? - ANSWER-Material jetting
What type of AM layer construction method involves creating an entire layer at once? -
ANSWER-2D channel
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 AM material is available in powders and wire and used in powder bed fusion
(PBF) and directed energy deposition (DED)? - ANSWER-Metal
Which of the following parts would a smaller, more inexpensive AM machine be best
suited to produce? - ANSWER-Conceptual model
What removable AM components fortify an AM part as it is built? - ANSWER-Support
structures
What manufacturing process involves stacking layers of material in order to create a
finished part? - ANSWER-Additive manufacturing
What additive manufacturing method involves curing a liquid-like material held in a
container? - ANSWER-Material Jetting
Which of the following is a design limitation that AM still imposes? AM methods usually
impose restrictions on: - ANSWER-Needing specific design considerations
What solid modeling tool do engineers use to create 3D part models for AM? -
ANSWER-Computer-aided design (CAD)
What type of AM post-processing includes sanding a part to improve its appearance
and tolerance? - ANSWER-Abrasive Finishing
