THIRD SEMESTER B. TECH. (ENGINEERING) DEGREEEXAMINATION, JUNE 2009
1. (a) Sketch a protected type flanged coupling and indicate important proportions.
. (15 marks)(b) Show by means of neat and dimensioned sketches, the difference in profiles of internal and
ext.ernal unified threads.
Or
2. (a) Sketch any three Nut locking arrangement.
3. (a) The assembled view of Solid bearing is shown in Figure 1 (Page 2). Draw the half sectionalfront and top view.
Or4. (a) Draw the half sectional front view and top view for the Footstep ball bearing shown in
Figure 2 (Page 2).(20 marks)
(b) Draw two views of following machine parts and mention suitable tolerances/fits atappropriate mating surfaces : cotter-joint for 40 mm diameter rods and pin-joint for 30 mmdiameter rods.
5. Details of a stuffing box is shown in Figure 3 (Page 3). Draw the sectional front and top view of theassembly.
Or
6. Draw the sectional front view and top view of the Pipe vice assembly for which the part detailsare given in Figure 4 (Page 4)
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