Course: BE105
Engineering Graphics.
Engineering Graphics.
Unit I
Scales: Representative factor, plain scales, diagonal scales, scale of chords.
Conic sections: Construction of ellipse, parabola, hyperbola by different methods. Normal and Tangent
Special Curves: Cycloid, Epicycloid, Hypocycloid, Involutes, Archimedean and Logarithmic spirals.
Conic sections: Construction of ellipse, parabola, hyperbola by different methods. Normal and Tangent
Special Curves: Cycloid, Epicycloid, Hypocycloid, Involutes, Archimedean and Logarithmic spirals.
Unit II
Projection: Types of projection, orthographic projection, first angle and third angle projection. Projection of points and lines, True inclinations and true length of straight lines, Traces of straight lines, Auxiliary planes.
Projection: Types of projection, orthographic projection, first angle and third angle projection. Projection of points and lines, True inclinations and true length of straight lines, Traces of straight lines, Auxiliary planes.
Unit III
Projection of planes and solids: Projection of circle, triangle and polygons, Projection of polyhedrons, Pyramids, Cylinders, Cones and Spheres in different positions.
Projection of planes and solids: Projection of circle, triangle and polygons, Projection of polyhedrons, Pyramids, Cylinders, Cones and Spheres in different positions.
Unit IV
Section of Solids: Section of right solids by normal and inclined planes.
Intersection of cylinders.
Development of Surfaces: Parallel line and radial - line method for right solids.
Isometric Projections: Isometric scale, Isometric axes, Isometric Projection from orthographic drawing.
Section of Solids: Section of right solids by normal and inclined planes.
Intersection of cylinders.
Development of Surfaces: Parallel line and radial - line method for right solids.
Isometric Projections: Isometric scale, Isometric axes, Isometric Projection from orthographic drawing.
UnitV
Introduction to Computer Aided Drafting (CAD): Basic commands of drafting entities like line, circle, polygon, polyhedron, cylinders. Transformations and editing commands like move, rotate, mirror, array, scale etc. Surfaces and solids of revolution. Defining drawing size and printing/plotting.
Solution of projection problems on CAD
Text Book:-
Engineering Graphics – Basant Agrawal and Dr. C. M. Agrawal, Tata McGraw-Hill Publishing Company Ltd.
Reference Books
Engineering Drawing - By N.D. Bhatt.
Engineering Drawing and graphics - By Venugopal.
Engineering Drawing – By T. Jeyopoovan.
A Premier on Computer Aided Engg drawing-Visvesvaraya Technological University (VTU), Belgaum.
Note:
To cover above syllabus, each Institute must have a computer lab (6 to 12 hrs/month) and CAD software.
Practical (30 Max. Marks): Marks to be allotted on sketching (10), exercise on CAD software (10) and viva-voce (10).
Term work (30 Max. Marks): A min. of 30 hand drawn sketches on size A4 (graphic sketch Book) or 10 sheets of size A2 or 6 sheets of size A1, plus 5 CAD-printouts on size A4 sheets ( 15 marks to be allotted for this record + 8 marks for attendance + 7 marks for Teachers Assessment-Ref. Internal assmt guidelines)
