Additive manufacturing (3D printing in aerospace) MCQs – Aerospace

1. Additive manufacturing (3D printing) in aerospace primarily benefits from:
(A) Lightweight and complex component design
(B) Increased production time
(C) Reduced material efficiency
(D) High labor costs

2. The main advantage of additive manufacturing in producing aerospace parts is:
(A) Ability to create complex geometries
(B) High material consumption
(C) Increased production time
(D) Limited design flexibility

3. The process of additive manufacturing where material is deposited layer by layer is called:
(A) Fused Deposition Modeling (FDM)
(B) Subtractive Manufacturing
(C) Injection Molding
(D) Casting

4. In aerospace applications, the material commonly used in additive manufacturing is:
(A) Titanium alloys
(B) Wood
(C) Ceramic
(D) Glass

5. Which of the following is a common additive manufacturing technique used in aerospace?
(A) Selective Laser Sintering (SLS)
(B) Blow Molding
(C) Die Casting
(D) Forging

6. The primary advantage of using titanium alloys in 3D printing aerospace parts is:
(A) High strength-to-weight ratio
(B) Low cost
(C) Poor thermal resistance
(D) High density

7. Additive manufacturing allows for the creation of parts with:
(A) Complex internal structures
(B) Uniform external shapes only
(C) Single material composition only
(D) Limited geometrical flexibility

8. Aerospace components made using additive manufacturing often require:
(A) Post-processing for surface finish
(B) No additional processing
(C) Lower precision than traditionally manufactured parts
(D) More expensive materials

9. One of the key benefits of additive manufacturing in aerospace is:
(A) Reduction in material waste
(B) Increased material costs
(C) Increased part weight
(D) Longer production cycles

10. The term “additive manufacturing” refers to:
(A) Building parts layer by layer
(B) Cutting away material from a block
(C) Pressing material into molds
(D) Welding metal sheets