Exercise [Isometric Projection]

EXERCISE

1. Draw an isometric view of a hexagonal prism having a base with 25 mm side and 65 mm long axis, lying on its face on HP with axis parallel to both HP and VP.

2. A Hexagonal prism with a 30 mm base and 45 mm axis has an axial hole with a 30 mm diameter. Draw its isometric projection.

3. A Hexagonal prism of side of base 25 mm and axis 60 mm long has a square hole of 20 mm side at the centre. The axes of the prism and the hole coincide. If one of the faces of the square hole is parallel to one of the faces of the hexagon, draw the isometric projection of the prism with the hole.

4. A pentagonal pyramid edge of base 32 mm and axis 60 mm long is lying on one of its triangular faces in HP and its axis parallel to VP. Draw the isometric view of the pyramid.

5. A washer of 70 mm diameter has a hexagonal hole of side 20 mm at the centre. Draw the isometric projection of the washer assuming that the washer is lying on HP and the thickness abe of the washer is negligible.

Frustum/Truncated Solids

6. A square prism, side of base 30 mm and axis 65 mm long rests with its base on HP and one of its rectangular faces is inclined at 30° to VP. A section plane perpendicular to VP and inclined at 60° to HP cuts the prism at a point on the axis 40 mm from the base. Draw the Une isometric projection of the prism. 

7. A square pyramid having base with a 40 mm side and 65 mm long axis is resting on its base in the HP with a side of base parallel to the VP. It is cut by an auxiliary inclined plane making 45° with the HP and bisecting the axis. Draw the isometric view of the truncated pyramid.

8. A Hexagonal pyramid of side of base 30 mm and height 80 mm is resting on its base on HP. Keeping two of its base edges parallel to VP. The pyramid is cut by a section plane inclined at 45° to HP and passing through the midpoint of the axis. Draw the isometric view of the solid showing the sectioned surface.

9. A cone of base diameter 60 mm and height 75 mm is resting on its base on the HP. It is cut by a plane perpendicular to the VP and inclined at 30° to the HP. The plane meets the axis at a distance of 25 mm from the vertex. Draw the isometric view of the truncated cone.

10. A frustum of cone bottom base with 60 mm diameter and top face with 40 mm diameter, height 50 mm is made with a hole of 20 mm diameter centrally made from the top face to a depth of 30 mm, Draw its isometric view.

11. Draw the isometric view of a frustum of a right regular pentagonal pyramid, side of base is 30 mm and side of top is 16 mm. Take the height of the frustum as 50 mm.

12. A cube of 50 mm side has a square hole of 30 mm side, cut through from all the six faces. The sides of the square hole are parallel to the edges of the cube. Draw the isometric view of the cube.

Combination of Solids

13. A square prism of base side 35 mm and height 55 mm is centrally placed over a square prism of base side 70 mm and height 25 mm. Draw the isometric projection of the solid.

14. A sphere with a 50 mm diameter rests centrally over a cube with a 60 mm side. Draw its isometric view.

15. A hollow cylinder of inside diameter 25 mm, outside diameter 50 mm and 70 mm long is resting centrally with its axis horizontal on a block 75 mm square and 20 mm thick. Draw the isometric projection of the arrangement. 

16. A cone of base diameter 35 mm and height 50 mm rests centrally over a frustum of a hexagonal pyramid of base side 35 mm, top side 25 mm and height 30 mm. Draw the isometric projection slup of the solid.

17. A Hemisphere of 60 mm diameter is resting on a point on the top of an octagonal slab of side of base 30 mm and 40 mm height. Draw the isometric view.

18. A Hemisphere of diameter 48 mm is resting on the ground with its flat surface facing upwards. A square pyramid, having side of base 24 mm and axis 30 mm is resting on its base centrally on the top of the hemisphere. Draw the isometric projection of the solids.

19. A cylindrical slab 60 mm in diameter and 16 mm thick is surmounted by a cube of 30 mm side. On the top of the cube rests a square pyramid of altitude 30 mm and side of base 24 mm. The axes of the solids are in the same straight line. Draw the isometric projection of the arrangement.

Isometric Projection from Orthographic Projections 

20. Draw the isometric view of the objects, for which the orthographic projections are shown from Fig. 17.88 to 17.91.

21. Draw the isometric view of the object, front view of which is shown in Fig. 17.92.

22. Orthographic projections of a machine part is shown in Fig. 17.93. Draw the isometric projection.

23. Draw the isometric view of an object, orthographic projections of which is shown in Fig. 17.94.

24. Orthographic projections of an object is shown in Fig. 17.95. Draw its isometric projection.

25. Orthographic projections of an object is shown in Fig. 17.96. Draw the isometric view.

26. Front and top view of an object are shown in Fig. 17.97. Draw its isometric projection.