The GATE Grind

GATE 2026 PI – Question 27

Manufacturing Processes II · Computer Integrated Manufacturing · 1 mark · Multiple select

Which ONE OR MORE are established geometric-model data-transfer formats in CAD?

  1. IGES
  2. STEP
  3. NDC
  4. STL

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Show answer and explanation

Correct answer: (A) IGES; (B) STEP; (D) STL

Explanation

IGES exchanges geometric product data; STEP exchanges standardized product-model data; STL represents triangulated surfaces. NDC is not one of these established CAD interchange formats. **A,B,D**.

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