VTU Mechanical Engineering (Semester 3)
Computer Aided Machine Drawing
May 2016
Total marks: --
Total time: --
(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 cylinder of diameter of base 45 mm and height 70 mm long rests on its base on the HP. It is cut by a plane perpendicular to the VP and inclined at 30° to the HP and meets the axis at a height of 30 mm above the base. Draw the front view, sectional top view and true shape of section.
20 M

2 Draw the following to indicate conventional representation of (a) BSW thread having pitch of 50 mm and (b) Acme thread having pitch of 60 mm, show at least 03 threads in section.
20 M

3 Draw sectional Front and Top views of the double riveted chain lap joint with plate thickness 14 mm. Indicate dimensions.
20 M

4 Draw sectional front view and side view of a split muff coupling to connect two shafts of diameter 25 mm. Indicate dimensions.
20 M

5 Following figure 1 shows the details of Plummer block. Assemble the parts of the Plummer block and draw i) Front view in half section ii) Top view.
60 M

6 Details of Tool head of a shaper are shown in following figures 2 and 3. Assemble the parts and draw the following views. i) Sectional front view, ii) Top view.
60 M

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