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A text book on engineering graphics: Part 1

(BQ) Part 1 book "A text book on engineering graphics" has contents: Isometric projection (introduction, isometric projection, drawing of isometric projection, drawing of isometric projection,.), machine drawing (terms used in threads - screw threads, standard profile - form of screw threads,.). | A Text Book on ENGINEERING Graphics LASS C XII Shiksha Kendra, 2, Community Centre, Preet Vihar, Delhi-110 092 India A text book on Engineering Graphics, Class XII. PRICE : Rs. FIRST EDITION 2010 CBSE, India COPIES: "This book or part thereof may not be reproduced by any person or agency in any manner." PUBLISHED BY : The Secretary, Central Board of Secondary Education, Shiksha Kendra, 2, Community Centre, Preet Vihar, Delhi-110092 DESIGN, LAYOUT : Multi Graphics, 5745/81, Reghar Pura, Karol Bagh, New Delhi-110005, Phone : 25783846 PRINTED BY ii : Foreword Design is an integral aspect of the world around us. Every day, we are inundated with images of current generation products such as automobiles, air crafts, and so on. Design is crucial to each of these products. Engineering Graphics is the language of communication for all engineers, architects, interior decorators, apparel designers and many others. This is needed right from conceiving the design of any product, upto the mass production stage and beyond for modification and restructuring of Engineering Graphics finds its use in all fields work relating to various products and their design. As a first attempt, CBSE has prepared the text book for Class XI in Engineering Graphics which has been published in June, 2010. Through Class XI text book you have already gained an insight into the fundamentals of the subject Engineering Graphics. In this book for class XII, you will learn about the representation of objects, such as simple geometrical solids, simple machine blocks, in three dimension form i.e. Isometric Projections of solids. You will also begin to look afresh at the nature and function of several ordinary household engineering hardware such as nuts, bolts, screws, washers, rivets etc. that are essential to make a household run. In addition, you will learn to assemble the various simple machine blocks correctly in order to form a functional machine of appropriate use for household .