# JNTU I Year B.Tech. MECHANICAL ENGINEERING syllabus for ENGINEERING GRAPHICS

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY
I Year B.Tech. M.E.

ENGINEERING GRAPHICS
UNIT – I
INTRODUCTION TO ENGINEERING DRAWING : Principles of Engineering Graphics and their
Significance – Drawing Instruments and their Use – Conventions in Drawing – Lettering – BIS Conventions.
Curves used in Engineering Practice & their Constructions :
a) Conic Sections including the Rectangular Hyperbola – General method only.
b) Cycloid, Epicycloid and Hypocycloid
c) Involute.
d) Helices

UNIT – II
DRAWING OF PROJECTIONS OR VIEWS ORTHOGRAPHIC PROJECTION IN FIRST ANGLE
PROJECTION ONLY : Principles of Orthographic Projections – Conventions – First and Third Angle
Projections Projections of Points and Lines inclined to both planes, True lengths, traces.

UNIT – III
PROJECTIONS OF PLANES & SOLIDS : Projections of regular Planes, auxiliary planes and Auxiliary projection inclined to both planes. Projections of Regular Solids inclined to both planes – Auxiliary Views.
Sections and Sectional views of Right Regular Solids – Prism, Cylinder, Pyramid, Cone – Auxiliary views.

UNIT – IV
DEVELOPMENT AND INTERPENETRATION OF SOLIDS: Development of Surfaces of Right
Regular Solids – Prisms, Cylinder, Pyramid Cone and their parts. Interpenetration of Right Regular Solids
– Intersection of Cylinder Vs Cylinder, Cylinder Vs Prism, Cylinder Vs Cone.

UNIT – V
ISOMETRIC PORJECTIONS : Principles of Isometric Projection – Isometric Scale – Isometric Views
– Conventions – Isometric Views of Lines, Plane Figures, Simple and Compound Solids – Isometric
Projection of objects having non- isometric lines. Isometric Projection of Spherical Parts.

UNIT –VI
TRANSFORMATION OF PROJECTIONS : Conversion of Isometric Views to Orthographic Views –
Conventions.

UNIT – VII
PERSPECTIVE PROJECTIONS : Perspective View : Points, Lines, Plane Figures and Simple Solids,
Vanishing Point Methods(General Method only).

UNIT – VIII
Introduction to Computer aided Drafting: Generation of points, lines, curves, polygons, simple solids, dimensioning.

TEXT BOOK :
1. Engineering Drawing, N.D. Bhat / Charotar
3. Engineering Drawing, Narayana and Kannaiah / Scietech publishers.

REFERENCES :
1. Engineering Drawing and Graphics, Venugopal / New age.
2. Engineering Drawing- Johle/Tata Macgraw Hill.
3. Computer Aided Engineering Drawing- Trymbaka Murthy- I.K. International.

Reference: http://www.jntu.ac.in/

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