CME FINAL EXAM

Rapid prototyping works with which of the following materials: - Answer- a) gases + liquids only b) solids + powders only c) gases + liquids + solids + powders d) liquids + solids + powders e) liquids + powders only All of the following are considered additive manufacturing processes, EXCEPT: - Answer- a) stereolithography b) fused deposition modeling c) UV object manufacturing d) selective laser sintering e) laminated object manufacturing A RP process in which a long filament of wax or polymer is extruded onto a surface (or part) from a worked to complete a new layer is called: - Answer- a) solid ground curing b) multijet/polyjet modeling c) electron beam melting d) three dimensional printing e) fused deposition modeling The RP process in which a part is built using an ink-jet printer to eject bonding material onto successive layers of powers is called: - Answer- a) select laser sintering b) three dimensional printing c) fused deposition modeling d) laminated object manufacturing e) droplet deposition manufacturing All of the following are considered design applications for RP except for: - Answer- a) increased capability to compute mass properties b) early detection of design errors c) available for use with a wide variety of materials d) improved ability to visualize part geometry e) reduced lead times for prototyping All of the following are considered important methods for heat treating metals, EXCEPT: - Answer- a) annealing b) martensite formation in steels c) surface decompression d) p