The graphical representation of an element is one of the most effortless and elementary method of translating drawings into useful designs. This language is often utilized by engineering departments and other technical personnel associated with the engineering profession to convey their ideas and designs in the effective constructions or analysis of machines, structures, models etc. In this technology driven world communication gap which earlier remained a hurdle between people of various ethics and language was removed by transferring these designs to various people spread across the globe irrespective of their language and knowledge. With the help of more advanced technologies engineers developed tools which aided the designing process and communicated it effectively with another set of tools. The effective use of these tools interpreted a simple two-dimensional drawing into three-dimensional drawings, which provided a sense of crystal clear understanding of engineering drawing. The primary task of an engineering drawing is to create and enhance an object into structure and understand the various difficulties' which may arise while translating the model into prototype projected in real world. Apart from the above, engineering drawings are programmed to construct various shapes which are robust, aesthetically pleasing and ergonomically functional. For effective designs these drawing use a universal standard which is used throughout the globe. This universal specifications spread common procedures while drawing a design based model. Subsequently, people associated with engineering drawing realized the demand to make drawings stand on their own merit and thereby incorporate greater precision in them. During the evolution of computers, manual drawing lost its charm and aura as it required substantial workspace and hardware, absorbed more time and labour, demanded formidable efforts to edit the drawings, and posed a lot of storage or transfer problems. On the other hand, the digital drawing system was established to produce rapid, uncomplicated, accurate, and repeatable engineering drawings. Hence engineers devised software which would provide all the above qualities and was named as "Computer-Aided Design" (CAD). The practice of developing and modifying drawings through digital platform using graphical techniques is known as 'Engineering Graphics'. The book is coined in simple and easy to follow instructions, so that even an average student can grasp the subject by self study.

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3 When Point is P is in First Quadrant

  • .................. . Theory Of Projection

Theory of Projection....................... 83-132 7.1 Introduction........................................ 83 7.2 Projections of Points........................... 84 7.3 When Point is P is in First Quadrant................................... 85

19.1 Why are Auxiliary Views Used?

  • Auxiliary . . View

Auxiliary View................................. 128 7.19.1 Why are Auxiliary Views Used?......................... 129

276 14.5.1 Tearing of the Plate at an Edge

  • ............. . Joints

Failure of Riveted Joints.................. 276 14.5.1 Tearing of the Plate at an Edge.................................... 276 14.5.2 Tearing of the Plate Across a Row of Rivets....... 276 14.5.3 Shearing of Margin............. 276