STUPIDSID
1 (a)
Compare Orthogonal and Oblique cutting.
7 M
1 (a)
Explain tool designation for single point cutting tool with neat sketch. Discuss the importance of different tool angles.
7 M
2 (a)
Prove that: tan φ=r cos α/(1-r sin α)
7 M
Solve any one question from Q2(b) & Q2(c)
2 (b)
In an orthogonal turning operation on a Lathe the following data were obtained:
Cutting force = 120kg, Feed force = 30kg, Back rake angle = 15°, Feed rate =
0.2mm/rev., Chip thickness = 0.3 mm, Cutting speed = 100 m/min, Workpiece
diameter=120 mm, Depth of cut = 0.4 mm. Calculate Chip thickness ratio, Shear
angle, Friction angle and Coefficient of friction.
7 M
2 (c)
Define tool life and explain the factors affecting it.
7 M
Solve any two question from Q3(a), Q3(b) & Q3(c), Q3(d)
3 (a)
Differentiate between gear forming and gear generating methods
7 M
3 (b)
How the Presses are classified? Explain the methods of reducing the force requirement in press work.
7 M
3 (c)
Explain thread rolling process.
7 M
3 (d)
Differentiate between a jig and a fixture. Explain C-clamp with figure.
7 M
Solve any two question from Q4(a), Q4(b) & Q4(c), Q4(d)
4 (a)
List various principles of location and explain the 3-2-1 Principal of Location with neat sketches.
7 M
4 (b)
Discuss the term:
(i) Fool proofing
(ii) Interchangeability.
(i) Fool proofing
(ii) Interchangeability.
7 M
4 (c)
Describe combination die with neat sketch.
7 M
Discuss the term:
4 (d) (i)
Center of pressure.
4 M
4 (d) (ii)
Scrap strip Layout.
4 M
Solve any two question from Q5(a), Q5(b) & Q5(c), Q5(d)
5 (a)
Classify various unconventional machining processes.
7 M
5 (b)
Explain USM process with neat sketch.
7 M
5 (c)
Compare the merits and demerits of Turret and Capstan lathes with a conventional engine lathe.
7 M
5 (d)
What is transfer machine? List the essential component of a transfer machine and explain any two in detail.
7 M
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