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Engineering Drawing, 2nd Edition by B. C. Rana, M. B. Shah

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7

Projections of Planes

OBJECTIVES

After studying this chapter, you will be able to

  • Draw the projections of the plane surfaces of regular shapes like triangles, squares, rectangles, circles or semicircles in the following positions:
    • parallel to one of the reference planes
    • perpendicular to one and inclined to the other reference plane
    • inclined at angles other than 0° or 90° to both the reference planes
  • Find the true shape of a plane surface
  • Find the angles of inclinations between a given plane and the reference planes, if the front and top views are given
  • Obtain the solutions to various problems using the change-of-position method or the change-of-ground-line method
7.1 INTRODUCTION

In engineering drawing, an object is represented in ...

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