Textbook of Engineering Drawing
Textbook of Engineering Drawing is a two-dimensional representation of three-dimensional objects. In general, it provides necessary information about the shape, size, surface quality, material, manufacturing process, etc., of the object. It is the graphic language from which a trained person can visualize objects.
Textbook of Engineering Drawing
Drawings prepared in one country may be utilized in any other country irrespective of the language spoken. Hence, engineering drawing is called the universal language of engineers. Any language to be communicative should follow certain rules so that it conveys the same meaning to everyone.
Similarly, drawing practice must follow certain rules, if it is to serve as a means of communication. For this purpose, the Bureau of Indian Standards (BIS) adopted the International Standards on the code of practice for drawing. The other foreign standards are DIN of Germany, BS of Britain, and ANSI of America.
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Role of Engineering Drawing
The ability to read drawings is the most important requirement of all technical people in any profession. As compared to the verbal or written description, this method is brief and more clear. Some of the applications are building drawings for civil engineers, machine drawings for mechanical engineers, circuit diagrams for electrical and electronics engineers, and computer graphics for one and all.
The subject, in general, is designed to impart the following skills.
- Ability to read and prepare engineering drawings.
- Ability to make freehand sketching of objects.
- Power to imagine, analyze, and communicate, and
- Capacity to understand other subjects.
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