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ENGINEERING GRAPHICS 1 SEMESTER unit wise lecture notes pdf
Pankaj Yadav

ENGINEERING GRAPHICS 1 SEMESTER unit wise lecture notes pdf

Pankaj Yadav | 21-Jan-2016 |
PLANE CURVES AND INTRODUCTION TO ORTHOGRAPHIC PROJECTION , INTRODUCTION TO ORTHOGRAPHIC PROJECTION , PROJECTION OF STRAIGHT LINES AND PLANES , PROJECTION OF SOLIDS AND SECTION OF SOLIDS , DEVELOPMENT OF SURFACES AND ISOMETRIC PROJECTION , FREE HAND SKETCHING AND PERSPECTIVE PROJECTION ,

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UNIT I PLANE CURVES AND INTRODUCTION TO ORTHOGRAPHIC
PROJECTION (Curves used in Engineering Practices)
Construction of Ellipse, parabola and hyperbola by eccentricity method only.
Construction of CYCLOID, INVOLUTE OF SQUARE AND CIRCLE only. Drawing
normal and tangent to the above curves.
INTRODUCTION TO ORTHOGRAPHIC PROJECTION
Principle of 1st angle and 3rd angle projection. Projection of points situated in all the four
quadrants. Problems involving projection of points, projection of two points situated in
different quadrants.
UNIT II PROJECTION OF STRAIGHT LINES AND PLANES [FIRST ANGLE]
Projection of straight lines, situated in first quadrant only, inclined to both horizontal and
vertical planes – LOCATION OF TRACES ONLY. Determination of true length and true
inclinations of straight lines from the projections (not involving traces) Projection of
plane surfaces like rectangle, square, pentagon, hexagon, circle- surfaces inclined to one
reference plane.
UNIT III PROJECTION OF SOLIDS AND SECTION OF SOLIDS
Projections of prism, pyramid, cone and cylinder, axis inclined to one plane by change of
position method. Section of above solids in simple vertical position (axis perpendicular to
HP alone) by planes either inclined to HP or VP alone- True shape of section.
UNIT IV DEVELOPMENT OF SURFACES AND ISOMETRIC PROJECTION
Development of lateral surfaces of vertical prism, cylinder pyramid, and cone truncated
by surfaces of inclined to HP alone. Development of surfaces of vertical cylinder and
prism with cylindrical cut outs perpendicular to the axis. Isometric projection of solids
like prism, pyramid, cylinder and cone; combination of any two; truncation when solid is
in simple vertical position, by a cutting plane inclined to HP.
UNIT V FREE HAND SKETCHING AND PERSPECTIVE PROJECTION
Free Hand sketching of front view, top view and a suitable side view of simple
components from their isometric views. Normal perspective of prism, pyramid, cylinder
& cone in vertical position by visual ray method only.

 

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