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GATE 2023 PI – Question 17

Manufacturing Processes II · Machining · 1 mark · Multiple choice

The directrix and generatrix of a machining operation are shown. Which surface is produced?

Diagram for GATE 2023 PI question 17
  1. Cylindrical
  2. Planar
  3. Helical
  4. Parabolic

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Show answer and explanation

Correct answer: (A) Cylindrical

Explanation

Moving the circular generatrix along the straight axial directrix sweeps a cylinder. The circular cross-section remains unchanged along the translation. **A**.

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