# NIT Trichy 1st Year Syllabus ENGINEERING GRAPHICS

ENGINEERING GRAPHICS

Drawing standard SP46: Dimensioning, Lettering, type of lines, scaling conventions.

Geometrical constructions: Dividing a given straight line into any number of equal parts,
bisecting a given angle, drawing a regular polygon given one side, special methods of
constructing a pentagon and a hexagon
Introduction to orthographic projection, drawing orthographic views of objects from their
isometric views – Orthographic projections of Points lying in four quarters, Orthographic
projection of lines parallel and inclined to one or both planes. Orthographic projection of
planes inclined to one or both planes
Types of solids, Projections of solids with axis perpendicular to HP, solids with axis
perpendicular to VP, solids with axis inclined to one plane. Projection of spheres touching
each other
Sectioning of solids: section planes perpendicular to one plane and parallel or inclined to
other plane.
Intersection of surfaces: intersection of cylinder and cylinder, intersection of cylinder and
cone, intersection of prisms.
Development of surfaces: Development of cylindrical and conical surfaces
Development of prisms.
Isometric Projection and view of planes and simple solids.
Introduction to computer aided drafting: introduction to computer aided drafting package to
make drawings
TEXT BOOKS
1. N.D. Bhatt, Engineering Drawing, Charotar publishing House, 46th Edition, 2003.
2. K.V. Nataraajan, A text book of Engineering Graphics, Dhanalakshmi Publishers,
Chennai, 2006.
REFERENCE BOOKS
2. K. Venugopal and V.Prabhu Raja, Engineering Graphics, New Age International (P)
Limited, 2008.
PR101 WORKSHOP PRACTICE
Introduction to the use of tools and machinery in Carpentry, Welding, Foundry, Fitting and
Sheet metal.
Carpentry
Wood sizing exercise in planning, marking, sawing, chiseling and grooving to make
1. Half lap joint
2. Cross lap joint
B.Tech. Syllabus (2009-‘10)
National Institute of Technology: Tiruchirappalli – 620 015. 15
Welding
Exercise in arc welding for making
1. Lap joint
2. Butt joint
Foundry
Preparation of sand mould for the following
1. Flange
2. Anvil
Fitting
Preparation of joints, markings, cutting and filing for making
1. V- joint
2. T- joint
Sheet metal
Making of small parts using sheet metal
1. Tray
2. Funnel