000			05496 a2200169 4500
082			_a604.2 _bBHA
100			_aBhatt, N. D. _942343
245			_aElementary engineering drawings : _bplane and solid geometry
250			_aEd.21
260			_bCharotar Publishing House _c1984 _aAnand
300			_axv,592p.
505			_aCONTENTS Chapter 1 DRAWING INSTRUMENTS AND THEIR USES Drawing board — T-square — Set-squaies — Compass Divider — Scales — Protractor — French curves — Drawing papers — Drawing pencils — Sand-papei block — Eraser — Drawing pins — Duster — Inking pen Drafting machine 1-29 Chapter II LINES, LETTERING AND DIMENSIONING Types of lines — Thickness and shade of lines — Lettering — Single-stroke letters — Gothic letters — Dimensioning 30-39 Chapter III GEOMETRICAL CONSTRUCTION Bisecting a line — Perpendiculai s — Parallel lines — Division of lines — Angles — Arcs of circles — Equi¬lateral triangles — Squares — Regular polygons — Regular polygons inscribed in circles — Tangents — Lengths of arcs — Circles and lines in contact — Inscribed ciicles 40-86 Chapter IV SCALES Reducing and increasing scales — Representative fraction — Types of scales — Plain scales — Diagonal scales — Comparative scales — Vernier scales — Scale of chords 87-107 Chapter V LOCI OF POINTS Loci of points equidistant from — a point, — a straight line, — an arc, — two fixed points, — two straight lines, — a straight line and a circle, — two circles — Loci of points on simple mechanisms 108-119 Chapter VI CURVES USED IN ENGINEERING PRACTICE Conic sections — Ellipse — Parabola — Hyperbola — Normals and tangents to conic sections — Curve parallel to ellipse—Rectangular hyperbola—Cycloid—Trochoid Epicycloid — Hypocycloid — Epitrochoid — Hypo-trochoid — Involute — Evolutes — Archemedian spiral Cam — Logarithmic spiral 120-169 Chapter VII ORTHOGRAPHIC PROJECTION Projection — Orthographic projection— Planes of projec- tion — Four quadrants—First-angle projection—Third- angle projection — Reference line — Conventions employed 170-178 Chapter VIII PROJECTIONS OF POINTS Points in different quadrants 179-183 Chapter IX PROJECTIONS OF STRAIGHT LINES Parallel to one or both planes — Contained by one or both planes—Perpendicular to a plane—Inclined to one plane, parallel to the other — Inclined to both planes — Contained by a plane perpendicular to both planes — True length of a line and its inclinations with the reference planes — Traces of a line — Illustrative problems 184-231 Chapter X PROJECTIONS OF PLANES Traces of planes — Types of planes — Perpendicular planes — Oblique planes — Projections of planes, parallel to one plane—perpendicular to both planes,— perpendicular to one inclined to other—Oblique planes. 232-247 Chapter XI PROJECTIONS ON AUXILIARY PLANES Auxiliary planes and views — Projections of a point, — a line, — a plane — True length of a line — Point- view of a line — Edge-view of a plane — True shape of a plane figure 248-262 Chapter XII PROJECTIONS OF SOLIDS Polyhedra — Solids of revolution — Solids in simple position — Axis perpendicular to a plane — Axis parallel to both planes — Axis parallel to one plane and inclined to the other — Axis inclined to both planes — Spheres 263-307 Chapter XIII DEVELOPMENT OF SURFACES Development of surfaces of cubes — prisms — cylinders— pyramids — cones — spheres 308-341 Chapter XIV HELICES AND SCREW THREADS Helix — Helical springs — Screw threads — Helix upon a cone 342-349 Chapter XV ISOMETRIC PROJECTION Isometric axes, lines and planes — Isometric scale — Isometric projection of planes, — prisms, — pyramids, cylinders, — cones, — spheres — Typical problems 350-396 Chapter XVI SECTIONS OF SOLIDS Section planes — Sections — True shape of section — Sections of prisms — Sections of pyramids — Sections of cylinders — Sections of cones — Sections of spheres Typical problems 397-440 Chapter XVII INTERSECTION OF SURFACES Line of intersection — Intersection of prism and prism — Cylinder and cylinder — Cylinder and prism — Cone and cylinder — Cone and prism — Cone and cone — Sphere and cylinder or prism 441-483 Chapter XVIII CONVERSION OF PICTORIAL VIEWS INTO ORTHOGRAPHIC VIEWS First-angle projection — Thhd-angle projection — Procedure for preparing a scale drawing — Illustrative problems 484-509 Chapter XIX PERSPECTIVE PROJECTION Pei spective projection — Definitions of perspective ele- ments — Station point — Picture plane — Visual-ray method — Vanishing point — Vanishing-point method — Distance points — Parallel perspective — Measuring line or line of heights — Perspective of circles — Typical problems — More advanced problems . 510-552 Chapter XX CENTRES OF GRAVITY AND MOMENTS OF INERTIA OF AREAS Centre of gravity — Definition — C. G. of symmetrical aieas — C. G. of unsymmetrical areas — Illustrative problems — Moment of inei tia — Definition — Unit — Illustrative problems 553-572 MISCELLANEOUS EXERCISES573-581 APPENDLX 582-589 INDEX 590-592
600			_939443
890			_aIndia
891			_aGRATIS
942			_2ddc
999			_c41304 _d41304