ISRO Mechanical & Aerospace 2015 - Question 74

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Topic: Engineering Drawing

Circular shapes appear in this fashion when viewed at an angle other than 90 degrees

  • A. Circular
  • B. Elliptical
  • C. Lengthened
  • D. Angular

Answer: B. Elliptical

Explanation: When a purely circular shape or feature is viewed from an oblique angle (any angle other than perfectly perpendicular or 90 degrees), its projection mathematically and visually appears as an ellipse.

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