ENGINEERING GRAPHICS

TOPIC WISE SYLLABUS

UNIT-I

        1. REGULAR POLYGONS:

            (Conditions: Side horizontal (or) Side vertical (or) Side inclined)

            a) General Method

            b) Inscribed Circle Method

            c) Arc's Method

            d) Angular Method

            e) Develop a polygon by circle diameter

        2. CONIC SECTIONS:

            ELLIPSE: 

            a) Eccentricity Method (or) General Method

            b) Oblong Method (or) Rectangular Method

            c)  Parallelogram Method

            d) Arc's Method

            e) Concentric Circle Method

             PARABOLA: 

            a) Eccentricity Method (or) General Method

            b) Rectangular Method

            HYPERBOLA:

            a) Eccentricity Method (or) General Method

            b) Rectangular Method

        3. INVOLUTES:

            a) Circular Involute

            b) Polygon Involute

                1. Traingular Involute

                2. Square Involute

                3. Pentagonal Involute

                4. Hexagonal Involute

                5. Heptagonal Involute etc.,..

        4. CYCLOIDS:

            a) General Cycloid

            b) Epi-cycloid

            c) Hypo-cycloid

        5. SCALES:

            a) Plain Scale

            b) Vernier Scale

            c) Diagonal Scale

UNIT-II

          ORTHOGRAPHIC PROJECTIONS (FRONT VIEW, TOP VIEW & SIDE VIEWS)

          1. PROJECTION OF POINTS

              a) Quadrant-I  (Draw the Front view and Top view of the given point)

              b) Quadrant-II  (Draw the Front view and Top view of the given point)

              c) Quadrant-III (Draw the Front view and Top view of the given point)

              d) Quadrant-IV (Draw the Front view and Top view of the given point)

              e) Point lies on the HP (Draw the Front view and Top view of the given point)

              f) Point lies on the VP (Draw the Front view and Top view of the given point)

              g) Point lies on both HP & VP (Draw the Front view and Top view of the given point)

              h) When Shortest distance from principle planes is given (Draw the Front view, Top view and side view of the given point) 

              i) When location & distance between two different points are given (Draw the Front view and Top view of the given points) 

          2. PROJECTION OF STRAIGHT LINES

              (Conditions: Straight line end points on the HP (or) on the VP (or) on both HP & VP)

              a) Straight line perpendicular to HP & parallel to the VP

              b) Straight line perpendicular to VP & parallel to the HP

              c) Straight line parallel to both HP & VP

              d) Straight line inclined to the HP & parallel to the VP

              e) Straight line inclined to the VP & parallel to the HP

              f) Straight line inclined to both HP & VP

         3. PROJECTION OF PLANES

             (Conditions: Side perpendicular (or) Side Parallel (or) Side inclined)

             a) Plane Perpendicular to HP & parallel to the VP (only Side inclination - Single Stage Projection Problem)

             b) Plane perpendicular to VP & parallel to the HP (only Side inclination - Single Stage Projection Problem)

             c) Plane perpendicular to both HP & VP (only Side inclination - Single Stage Projection Problem)

             d) Plane inclined to the HP & parallel to the VP (only Surface inclination - Two Stage Projection Problem) 

             e) Plane inclined to the VP & parallel to the HP (only Surface inclination - Two Stage Projection Problem)

             d) Plane inclined to both HP & VP (both surface and side inclination (or) diagonal inclinations (or) diamter inclinations -  Three Stage Projection Problem)

UNIT-III

        PROJECTION OF SOLIDS

            a) PRISMS (Example: Traingular Prism, Square Prism, Pentagonal Prism, Hexagonal Prism)

                1. Axis perpendicular to HP & Parallel to VP (Single Stage Projection) 

                    (True shape of base appears in Top View and Axis appears in Front View perpendicular to HP)

                2. Axis perpendicular to VP & Parallel to HP (Single Stage Projection)  

                    (True shape of base appears in Front View and Axis appears in Top View perpendicular to VP)

                3. Axis parallel to both HP & VP (Single Stage Projection) 

                    (True shape of base appears in Side View and Axis appears in both HP & VP parallel to XY line)

                4. Axis inclined to HP and paraellel to VP (Two stage Problems)

                    ( Stage-I:True shape of base appears in TV and Axis is Perpemdicular to XY Line in FV)

                    ( Stage-I: Apparent shape of solid appears in TV and Axis is inclined to XY Line in FV)

                5. Axis inclined to VP and Paraellel to HP (Two stage Problems)

                    ( Stage-I:True shape of base appears in FV and Axis is Perpemdicular to XY Line in TV)

                    ( Stage-I: Apparent shape of solid appears in FV and Axis is inclined to XY Line in TV)      

            b) PYRAMIDS (Example: Traingular Pyramid, Square Pyramid, Pentagonal Pyramid, Hexagonal Pyramid)

                 1. Axis perpendicular to HP & Parallel to VP (Single Stage Projection) 

                    (True shape of base appears in Top View and Axis appears in Front View perpendicular to HP)

                2. Axis perpendicular to VP & Parallel to HP (Single Stage Projection)  

                    (True shape of base appears in Front View and Axis appears in Top View perpendicular to VP)

                3. Axis parallel to both HP & VP (Single Stage Projection) 

                    (True shape of base appears in Side View and Axis appears in both HP & VP parallel to XY line)

                4. Axis inclined to HP and paraellel to VP (Two stage Problems)

                    ( Stage-I:True shape of base appears in TV and Axis is Perpemdicular to XY Line in FV)

                    ( Stage-I: Apparent shape of solid appears in TV and Axis is inclined to XY Line in FV)

                5. Axis inclined to VP and Paraellel to HP (Two stage Problems)

                    ( Stage-I:True shape of base appears in FV and Axis is Perpemdicular to XY Line in TV)

                    ( Stage-I: Apparent shape of solid appears in FV and Axis is inclined to XY Line in TV) 

            c) SOLID OF REVOLUTION (Examples: Cylinder, Cone, Sphere)

                 1. Axis perpendicular to HP & Parallel to VP (Single Stage Projection) 

                    (True shape of base appears in Top View and Axis appears in Front View perpendicular to HP)

                2. Axis perpendicular to VP & Parallel to HP (Single Stage Projection)  

                    (True shape of base appears in Front View and Axis appears in Top View perpendicular to VP)

                3. Axis parallel to both HP & VP (Single Stage Projection) 

                    (True shape of base appears in Side View and Axis appears in both HP & VP parallel to XY line)

                4. Axis inclined to HP and paraellel to VP (Two stage Problems)

                    ( Stage-I:True shape of base appears in TV and Axis is Perpemdicular to XY Line in FV)

                    ( Stage-I: Apparent shape of solid appears in TV and Axis is inclined to XY Line in FV)

                5. Axis inclined to VP and Paraellel to HP (Two stage Problems)

                    ( Stage-I:True shape of base appears in FV and Axis is Perpemdicular to XY Line in TV)

                    ( Stage-I: Apparent shape of solid appears in FV and Axis is inclined to XY Line in TV) 

UNIT-IV

                1) SECTIONAL VIEWS 

                    

                2) DEVELOPMENTS 

UNIT-V

                1) CONVERSION OF ISOMETRIC PROJECTIONS TO ORTHOGRAPHICS VIEWS 

                    (Draw the Front View, Top View and both Side Views)

                2) CONVERSION OF ORTHOGRAPHICS VIEWS TO ISOMETRIC PROJECTIONS