# A First Course in Engineering Drawing by K. Rathnam pdf download

A First Course in Engineering Drawing 1st edition by K. Rathnam.
Contents:
1 Introduction
2 Geometrical Construction
3 Scales
4 Curves Used in Engineering Practice
5 Orthographic Projections
6 Projections of Points
7 Projections of Lines
8 Projections of Plane Figures
9 Projections of Solids
10 Auxiliary Projections
11 Sections of Solids
12 Intersection of Surfaces
13 Development of Surfaces
14 Isometric Projections
15 Perspective Projections
16 Objective Type Questions

Preface: The primary object of the book is to provide an easy approach to the basic principles of Engineering Drawing which is one of the core subjects for undergraduate students of all branches in engineering. Years of experience in teaching this subject convinced the author to prepare an exercise book for this course. This booklet underwent several revisions with the help of his colleagues. This book is an attempt to present methods of solutions for the exercise book from the students’ point of view and with the sole object of keeping a book of reasonable size.

Emphasis is placed on the precise and logical presentation of the concepts and principles which are essential for understanding the subject. The methods presented help students to grasp the fundamentals more easily. The book offers comprehensive coverage of topics required for a first course in this subject. Illustrations are original drawings reduced in size for conceptual clarity. The problem-solving strategies detailed in certain chapters will induce independent learning skills in individuals.

The Introduction chapter begins with a mention of various instruments required for drawing works, sizes of drawing sheets, methods of dimensioning and lettering exercise. Geometrical constructions which are needed in the succeeding chapters are explained in Chap. 2. The constructions of plain, diagonal and vernier scales are presented in Chap. 3. Chapter 4 deals with the construction of curves used in engineering practice. Mastering the methods of construction of curves in general and conic curves in particular develops analytical skill which will be useful later in the professional career of the learners. Orthographic projection which lies at the heart of engineering drawing is presented in Chap. 5. Chapter 6 discusses the projections of points located in any of the four quadrants. The importance of profile plane is also stressed to complete the projections of a point. Projections of lines are covered under three categories in Chap. 7. In the first type, the projection of one view is easily obtained. In the second type, projections of a line are given and its true length, inclination to co-ordinate planes and traces are obtained following the rapezium method. In the third category, the method of obtaining the projections of line inclined to both the co-ordinate planes is explained. Students who spend more time concentrating on the solution techniques detailed in this chapter will find it easy to understand other topics in the succeeding chapters. Chapter 8 presents the methods of projections of plane figures inclined to both the co-ordinate planes. Projections of solids are detailed in Chap. 9, and grouping has been based upon the type of solids. Chapter 10 discusses auxiliary projections of solids using auxiliary planes. Chapter 11 addresses the importance of sectioning of solids and explains the procedure of obtaining the true shape of section formed. The methods of obtaining intersecting curves or lines based on the type of intersecting surfaces are discussed in Chap. 12. Chapter 13 presents the methods of development of solid surfaces. The principle of isometric projection is explained in Chap. 14. The advantage of showing the forms of cubical objects in their isometric projections more clearly than the corresponding orthographic projections is brought to light in a few problems in this chapter. Chapter 15 is devoted to the perspective projection. Chapter 16 provides 100 objective type questions with keys.
Cuddalore, India
K. Rathnam
Book Details:
⏩Edition: 1st ed. 2018 edition
⏩Author: K. Rathnam
⏩Puplisher: Springer
⏩Puplication Date: August 9, 2017
⏩Language: English
⏩Pages: 388
⏩Size: 12.2 MB
⏩Format: PDF