Transcription of Unit 3 projection of solid 2014 - mechanical
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ENGINEERING GRAPHICSENGINEERING GRAPHICSUNIT IIIUNIT IIIPROJECTION OF SOLIDSPROJECTION OF SOLIDSPROJECTION OF SOLIDSPROJECTION OF (Prism (or) Pyramid)Polyhedron (Prism (or) Pyramid)((ii) Triangular ) Triangular (ii) Rectangular(ii) Rectangular(iii) Square(iii) Square(iv) Pentagonal(iv) Pentagonal(v) Hexagonal(v) Hexagonal2. Solids of revolution 2. Solids of revolution (i)(i)CylinderCylinder(ii)(ii)ConeConeHo w to construct a PentagonHow to construct a PentagonABCDET otal Angle = 360oNumber of sides = 5 Required Angle = 360o =72o5 the line AB of given A draw a line for an angle 72o and for the given B draw a line for angle of 72oand for the given C as centre draw an arc with the given length as E as centre, cut the arc with the same radius72oHow to find mid point of a polygon How to find mid point of a polygon having odd number of sideshaving odd number of sidesABCDE72oBisectors for sides AB and another bisector for the side cutting point of these two bisectors will be the mid point of
Inclined to HP 1. A hexagonal prism of base side 30mm axis length 60mm is resting on HP on one of its base sides with its axis inclined at 40º to HP and parallel to VP.
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