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GATE 2025 ME – Question 40

Additive Manufacturing · Additive manufacturing processes · 2 marks · Multiple choice

In relation to additive manufacturing, match the following

ProcessLayer creation techniqueMaterial
PStereolithography1Injection of powder streamIPaper
QFused deposition modeling2Extrusion of melted polymerIIEpoxy
RLaminated object manufacturing3Liquid layer curingIIITitanium
SLaser-engineered net shaping4Sheet material depositionIVAcrylonitrile butadiene styrene (ABS)
  1. P-3-III, Q-1-IV, R-4-I, S-2-II
  2. P-3-II, Q-2-IV, R-4-I, S-1-III
  3. P-4-III, Q-2-IV, R-1-II, S-3-I
  4. P-3-II, Q-2-IV, R-1-I, S-4-III

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Correct answer: (B) P-3-II, Q-2-IV, R-4-I, S-1-III

Explanation

Stereolithography cures a liquid layer (3) of epoxy-type resin (II). Fused deposition modeling extrudes melted polymer (2), typically ABS (IV). Laminated object manufacturing bonds sheet material (4), commonly paper (I). Laser-engineered net shaping injects a powder stream (1) of metal such as titanium (III).