What are the original ASTM categories of AM, and how were they grouped?

Describe the different ways that layers are formed in AM processes. Can one way be more effective than another?

What are the different types of feedstocks available for AM processes?

Describe the differences and similarities between SLA, DLP and LCD stereolithography.

How are parts cured after being fabricated used vat-based processes?

Which UV wavelength is compatible with DLP?

Which process is more similar to injection molding?

Which recoating process is the most forgiving for part failure during the build process?

Which is a more powerful energy source for metallic powder bed, laser or electron beam?

Which liquid addition process can be used to fabricate homes?

Which liquid addition process can be used to fabricate circuit boards?

What is the resolution size limitation of direct ink write technology?

Which polymer addition process can be used to fabricate full size car chassis?

What is the most significant advantage of using welding wire as a feedstock over metallic powder?

What is the most significant advantage of using a screw over filament for polymer processes?

Which process has a unique ability of making functionally gradient parts, and why?

What are some advantages of using the sheet lamination process called ultrasonic consolidation?

What types of items can be embedded within ultrasonically consolidated parts?

Which post processing steps are required for DED blown powder?

Which post processing steps are required for powder bed fusion laser metal?