GE2111 Engineering Graphics - SUBJECT CATALOG

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SYLLABUS:

GE2111                            ENGINEERING GRAPHICS                                    2  3  0  5

AIM

To develop graphic skills in students.

OBJECTIVES

To develop in students graphic skill for communication of concepts, ideas and design of engineering  products and expose them to existing national standards  related to technical drawings.

Concepts and conventions (Not for Examination)                                                   1

Importance  of graphics in engineering  applications  – Use of drafting instruments  – BIS conventions  and specifications  – Size, layout and folding of drawing sheets – Lettering and dimensioning.

UNIT  I             PLANE CURVES AND FREE HAND SKETCHING                             15

Curves used in engineering practices:

Conics – Construction  of ellipse, Parabola and hyperbola  by eccentricity method – Construction of cycloid – construction of involutes of squad and circle – Drawing of tangents and normal to the above curves.

Free hand sketching:

Representation  of Three Dimensional  objects  – General  principles  of orthographic projection – Need for importance of multiple views and their placement – First angle projection   –  layout   views  –  Developing   visualization   skills  through  free  hand sketching of multiple views from pictorial views of objects.

UNIT  II            PROJECTION OF POINTS, LINES AND PLANE SURFACES            14

Projection of points and straight lines located in the first quadrant – Determination of true  lengths  and  true  inclinations  –  Projection  of  polygonal  surface  and  circular lamina inclined to both reference planes.

UNIT  III           PROJECTION OF SOLIDS                                                               15

Projection of simple solids like prisms, pyramids, cylinder and cone when the axis is inclined to one reference plane by change of position method.

UNIT  IV          SECTION OF SOLIDS AND DEVELOPMENT OF SURFACES          15

Sectioning of above solids in simple vertical position by cutting planes inclined to one reference plane and perpendicular to the other – Obtaining true shape of section.

Development  of lateral surfaces of simple and truncated solids – Prisms, pyramids, cylinders  and  cones  –  Development  of  lateral  surfaces  of  solids  with  cylindrical cutouts, perpendicular to the axis.

UNIT  V           ISOMETRIC AND PERSPECTIVE PROJECTIONS                            15

Principles of isometric projection – isometric scale – isometric projections of simple solids, truncated prisms, pyramids, cylinders and cones.

Perspective projection of prisms, pyramids and cylinders by visual ray method.

TOTAL: 75 PERIODS

TEXT BOOKS:

1.   N.D. Bhatt, “Engineering  Drawing”  Charotar  Publishing  House, 46 Edition,

(2003).

REFERENCES:

1.   K.  V.  Natrajan,   “A  text  book  of  Engineering   Graphics”,   Dhanalakshmi

Publishers, Chennai (2006).

2.   M.S. Kumar, “Engineering Graphics”, D.D. Publications, (2007).

3.   K.   Venugopal   &   V.   Prabhu   Raja,   “Engineering   Graphics”,   New   Age

International (P) Limited (2008).

4.   M.B.  Shah  and  B.C.  Rana,  “Engineering   Drawing”,   Pearson   Education

(2005).

5.   K. R. Gopalakrishnana, “Engineering Drawing” (Vol.I&II), Subhas Publications

(1998).

6.   Dhananjay A.Jolhe, “Engineering  Drawing with an introduction  to AutoCAD” Tata McGraw Hill Publishing Company Limited (2008).

7.   Basant Agarwal and Agarwal C.M., “Engineering Drawing”, Tata McGraw Hill

Publishing Company Limited, New Delhi, (2008).