CBSE Class 12 Engineering graphics Question Paper 2011 (Set 2)

Solve 2011 CBSE : Engineering graphics question paper Set 2

1. (a) Construct an isopmetric scale, 110 mm long. 4

(b) Construct the isometric projection, to isometric scale, of a hemisphere (diameter= 70 mm), resting on H.P. with its circular face on it. The axis is parallel to V.P.

Darw the axis, marking the centre of its circular base on H.P. Give dimensions. 7

(c) A pentagonal pyramid (base edge 30 mm and height 70 mm) is placed, centrally, on the top triangular face of a triangular prism (base side 90 mm and height 30 mm), with its pentagonal base on the prism. One base side of the pyramid, is parallel to V.P. and away from it. One side of the base of the prism, is parallel to V.P. and closer to the observer.

Draw the isometric projection of the solids, placed together, to isometric scale. Draw their common vertical axis and indicate the direction of viewing. Give all dimensions. 14

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2. (a) Draw to scale 1:1, the front view and top view of a Square Nut, for a nominal diameter d=30 mm, keeping its axis perpendicular to H.P.and ywo sides of the square, parallel to V.P. Give all standard dimensions. 9

(b) Sketch freehand the front view and the top view of a Stud with Collar, keeping the axis perpendicular to H.P. Take nominal diameter= 25mm. Give standard dimensions. 6

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CBSE Class 12 Engineering graphics Question Paper 2011 (Set 2)