Wednesday, July 2, 2008

CONTENTS OF THE BOOK [Chapter 1 to 6]

Chapter 1 : DRAWING INSTRUMENTS AND THEIR USES

Drawing Instruments: Drawing boards and tables, Mini-drafter, Drawing sheet, Drawing pencils, Compasses, Dividers, Protractor, Ruler (scale), French curves, Set-squares, Eraser (Rubber), Drawing sheet fasteners, Templates, Pencil cutters (sharpener), Sandpaper pad, Brush or towel cloth.
General preparation for drawing: Sheet layout, Title block, Space for text, Item references on drawing and item lists, Folding of drawing sheets, Conclusions, Review questions, Exercise 1, Multiple choice questions.

Chapter 2 : LINES, LETTERING AND DIMENSIONING

Lines: Configurations of lines, Drafting of lines, Types of Lines and their application in Mechanical Engineering Drawing, Order of priority of coinciding lines.
Lettering: Single-stroke letters, Rules for lettering.
Dimensioning: Dimensioning terminology and method of execution, Placing of dimensions, General rules for dimensioning, Method of dimensioning some common features, Arrangement of dimensions, Review questions, Exercise 2, Multiple choice questions.

Chapter 3 : GEOMETRICAL CONSTRUCTION

Simple Constructions: Perpendicular bisector of a line, Perpendiculars to a line, Parallel lines, Divide a line, Division of lines in proportional parts, Bisect an angle, Finding centre of an arc, Tangent to a circle from a point on it, Tangents to a circle from a point outside it, Tangent to an arc of inaccessible centre, from a point on it, Tangent to two circles of unequal radii, An arc of given radius to connect two straight lines, An arc connecting a line tangential to it and a given point, An arc of given radius to connect another arc and a line, An arc of given radius to connect two circles,
Polygons Constructions: Construction of regular polygons (general method), Draw a triangle of three sides given, Draw an equilateral triangle of given side, Draw a rectangle and square of given sides, Draw a square of given diagonal, Construction of a regular pentagon (special method), Construction of a regular hexagon (special method), Inscribe regular polygons in a circle, Inscribe regular octagon in a square, Circumscribe regular polygons on a circle, Miscellaneous problems and Applications, Review questions, Exercise 3, Multiple choice questions

Chapter 4 : SCALES

Scales: Representation of scales, Representative fraction, Data required for construction of scales, Units of measurements, Types of scales, Plain scale, Construction of a plain scale, Diagonal scale, Principle of diagonal scale, Construction of diagonal scale, Comparative scale, Construction of comparative scale, Vernier scale, Construction of vernier scale, Scale of chords, Construction of scale of chords, Application of scale of chords, Review questions, Exercise 4, Multiple choice questions

Chapter 5 : CONIC SECTIONS

Ellipse: Introduction, Application of Conic sections, Construction of an ellipse, Eccentricity method, Intersecting arcs method or arcs of circles method, Concentric circles method, Rectangle method, Parallelogram method, Draw tangent and normal to an ellipse.
Parabola: Construction of a parabola, Eccentricity method, Offset method, Tangent method, Rectangle method, Parallelogram method, Tangent and normal to a parabola.
Hyperbola: Construction of a hyperbola, Eccentricity method, Intersecting arcs method, Oblong method, Intercept method, Orthogonal asymptotes method, Oblique asymptotes method, Tangent and normal to a hyperbola, Miscellaneous problems, Review questions, Exercise 5, Multiple choice questions.

Chapter 6 : ENGINEERING CURVES

Roulettes: Cycloid, Tangent and normal to a cycloid, Epicycloid, Tangent and normal to epicycloids, Hypocycloid, Tangent and normal to hypocycloid, Involute, Tangent and normal to involute, Spirals, Archemedian spiral, Normal and tangent to Archemedian spiral, Logarithmic or equiangular spiral, Normal and tangent to logarithmic spiral, Miscellaneous problems, Exercise 6a.
Loci of points: Four bar chain, Single slider crank chain, Review questions, Exercise 6b, Multiple choice questions.

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