Additive manufacturing exam 1 with correct answers

Additive manufacturing exam 1 a. affects powder recyclability c. affects part dimensions d. causes density variation in parts - Answer-Solid state sintering is an important secondary consideration in powder bed fusion processes for which of the following reasons a. Affects powder recyclability b. Affects powder requirement c. Affects part dimensions d. Cause density variation in parts a. Better absorption of laser energy b. more effective binding of structural particles c. better flow properties d. faster build time e. lower binder content percentage - Answer-In liquid phase sintering, coated particles have which of the following advantages a. Better absorption of laser energy b. more effective binding of structural particles c. better flow properties d. faster build time e. lower binder content percentage a. filament diameter - Answer-Which of the following factors does not affect geometric accuracy in extrusion based printing processes? a. Filament diameter b. Nozzle geometry c. Print head acceleration/ deceleration d. Viscoelastic material behavior e. Layer thickness a. flowability - Answer-Which of the following are not reasons that small powder particles are desirable in powder bed fusion processes? a. Flowability b. High accuracy c. Better surface finish d. Thin layers a. nylon - Answer-The most common polymer used in powder bed fusion process is a. Nylon b. Epoxy c. Acrylate d. PEEK