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VTU First Year Engineering (C Cycle) (Semester 1)
Computer Aided Engineering Drawing
January 2015
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1(a)(i) A point is 30 mm in front of VP, 20 mm above HP and25 mm in front of LPP.Draw its projections and name the side view.
10 M
1(a)(ii) A line AB 80mm long has its end A 20mm above HP and 30mm in front of VP. It is inclined at 30° to HP and 45° to VP. Draw the projections of the line and find apparent lengths and apparent inclinations.
20 M
1(b) A square lamina ABCD of 40 mm side rests on cornerA such that diagonal AC appears to be at 45° to VP. The two sides BC and CD containing the corner C make equal inclination with HP. The surface of the lamin a makes 30° with HP. Draw its top and front views.
30 M

2 A square pyramid 35mm sides of base and 60mm axis length rests on HP on one of its slant triangular faces. Draw the projections of the pyramid when the axis appears to be inclined to VP at 45°
40 M

3(a) A rectangular prism of base 30mm × 20mm and height60mm rests on HP on its base with the longer base side inclined at 40° to VP. It is cut by a plane which is inclined at 45° to HP, perpendicular to VP and bisects the axis. Draw the development of the remaining portion of the prism.
30 M
3(b) A sphere of diameter 30mm rests on the frustum of ahexagonal pyramid base 30mm, top face 18mm side and height 50mm such that their axes coincide. Drawthe isometric projection of the combined solids.
30 M

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