Quiz: Digital Fabrication Techniques & Robotic Mechanics

What does Fused Deposition Modeling (FDM) do?

• Cures liquid resin with UV light

• Extrudes melted filament through a nozzle

• Sinter’s powder materials using a laser

• Cuts materials with a focused beam

Which parameter most directly influences the resolution and surface finish of an FDM-printed part?

• Infill percentage

• Layer height

• Print speed

• Nozzle diameter

What is a typical layer height range used in high-quality FDM printing?

• 0.01–0.05 mm

• 0.1–0.3 mm

• 1–2 mm

• 5–10 mm

Infill Patterns for Strength: Which infill pattern is known for providing excellent isotropic strength and an efficient strength-to-weight ratio?

• Honeycomb

• Rectilinear

• Gyroid

• Triangular

Increasing the layer height always results in a stronger printed part.

• True

• False

Print Settings Combination: Which combination is most likely to yield the strongest part?

• 20% infill with a 0.3 mm layer height

• 50% infill with a 0.2 mm layer height

• 100% infill with a 0.1 mm layer height

Which of the following is NOT a 3D printing process?

• FDM

• SLA

• SLS

• CNC Milling

Which factor does NOT directly affect the mechanical strength of a 3D-printed part?

• Print orientation

• Layer adhesion

• Filament color

• Infill density

What is the main role of supports in 3D printing?

• To increase print speed

• To provide a scaffold for overhanging features

• To reduce material usage

• To enhance print resolution

Material Selection: Which material is commonly used in FDM printing for its strength and durability in functional parts?

• PLA

• ABS

• Resin

• Nylon