Development of Surface Hexagonal Pyramid

To draw a development of lateral surface of a truncated hexagonal pyramid and sectional top view when the section plane inclined to HP.A regular hexagonal pyramid of side of base 30 mm and height 60 mm is resting vertically on its base on HP such that two of the sides of the base are perpendicular to VP. It is cut by a plane inclined at 40o to H.P. The cutting plane bisects the axis of the pyramid.
DEVELOPMENT OF SURFACE
1. A pentagonal pyramid, side of base 30 mm and height 60 mm, stands with its base on H.P and an edge of the base is parallel to V.P. It is cut by a plane perpendicular to V.P, inclined at 40o to H.P and passing through a point on the axis, 32 mm above the base. Draw the sectional top view and develop the lateral surface of the truncated pyramid.
• DEVELOPMENT OF SURFACE...
2.A square pyramid of base 35 mm and axis 70 mm long, rest on its base on HP such that two adjacent sides of the base are equally inclined to VP. It is cut by a section plane perpendicular to VP and inclined at 30° to HP, passing through the midpoint of the axis. Draw the sectional top view and develop the lateral surfaces of the truncated pyramid.
• Development of Surface...
3. A vertical chimney of 70 cm diameter joins a roof sloping at 35o with horizontal. The shortest portion over the roof is 32 cm. Obtain the shape of the sheet metal which the chimney can be fabricated.
• DEVELOPMENT OF SURFACE...
4.Draw the development of the lateral surface of a hexagonal prism of 24 mm base edge and 68 mm height. An insect moves on its surface from a corner on the base to the diametrically opposite corner of the top face by short route. Trace graphically the path of the insect in the front view.
• Development of Hexagon...
5. Draw the development of a cylinder is a rectangle of size 110 mm x 55 mm. A semicircle of 55 mm radius is inscribed in the rectangle. Draw the projections of the cylinder showing the semi circle on them.
• Development of Surface...
6.A hexagonal prism, edge of base 20 mm and axis 50 mm long, rests with its base on H.P such that one of its rectangular faces is parallel to V.P. It is cut by a plane perpendicular to V.P, inclined at 45 degree to H.P and passing through the right corner of the top face of the prism. Draw the sectional top view and develop the lateral surface of the truncated prism.
• DEVELOPMENT OF SURFACE...
7. A pentagonal prism, side of base 25 mm and height 50 mm, rests with its base on H.P such that an edge of the base is parallel to V.P and nearer to the observer. It is cut by a plane perpendicular to V.P, inclined at 45o to H.P and passing through the centre of the axis. Draw the development of the lateral surface of the truncated prism.
• Development of Surface...
8. A cone of base 60 mm diameter and height 70 mm rests with its base on H.P. A section plane perpendicular to V.P and inclined at 30o to H.P bisects the axis of the cone. Draw the development of the lateral surface of the truncated cone.
• Development of Surface...
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