ISRO Mechanical & Aerospace 2017-2 - Question 48

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Topic: Machine Drawing

The method of development of a right regular prism is

  • A. Parallel line method
  • B. Radial line method
  • C. Triangulation method
  • D. Approximate method

Answer: A. Parallel line method

Explanation: Parallel Line Method is used for developing prisms and single curved surfaces like cylinders, in which all the edges/generators of the lateral surface are parallel to each other. Radial Line Method is employed for pyramids and cones. Triangulation Method is used for developing transition pieces.

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