This text-book follows (i) the metric system of length measurement and (ii) first-angle method of orthographic projection. However, the third-angle projection method has not been completely ignored. This edition is thoroughly revised and enlarged by adding substantial new material, numerous figures and also new worked-out examples. It describes in an easy-to-follow style and with application of the principles of orthographic projection, forms, proportions and uses of simple machine, engine and boiler parts. Chapters on elements of production drawings, assembly drawings and elements of computer aided drafting (CADr) are also given. The techniques of freehand sketching, dimensioning, conversion of pictorial views, sectional views and interpretation of views are treated in clear and simple manner. Most of the orthographic views are accompanied by the pictorial views of the objects to enable the students to visualize the shapes easily. The book covers the syllabi of Machine Drawing to meet the requirements of Engineering Degree students of all the Indian Universities as well as Diploma courses in various branches of Engineering conducted by the Department of Technical Education, for I.T.I. students and also to the candidates reading for the A.M.I.E. and U.P.S.C. Examination.This text-book follows (i) the metric system of length measurement and (ii) first-angle method of orthographic projection.
|Author||:||Bhatt N. D.|