STUPIDSID
1 (a)
Explain with a neat sketch the nomenclature of a single point cutting tool, highlighting the significance of different angles.
8 M
1 (b)
With necessary sketches, explain the type of Tool wear.
8 M
1 (c)
Briefly describe the various types of chips produced during metal cutting operation.
4 M
2 (a)
What are the describe properties or characteristics of an ideal cutting tool material?
6 M
2 (b)
Briefly explain the desirable properties and purpose of cutting fluids.
6 M
2 (c)
With a neat sketch explain different heat affected zones during orthogonal cutting.
8 M
3 (a)
Differentiate between turret lathe and capstan lathe.
6 M
3 (b)
Explain with the help of neat sketch, the whitworth quick return mechanism of a shaper.
8 M
3 (c)
Compare shaper and planner in terms of their operation, type of workplace and applications
6 M
4 (a)
Draw a neat diagram of a radial drilling machine. Name and explain the parts and its principle of operation
7 M
4 (b)
Explain with sketches the following operation in a drilling machine.
i)Reaming ii) Boring ii) Counter boring iv) Tepanning.
i)Reaming ii) Boring ii) Counter boring iv) Tepanning.
7 M
4 (c)
Describe twist drill nomenclature using sketches.
6 M
5 (a)
Differentiate between
i) Up milling and down milling ii) Simple indexing and compound indexing.
i) Up milling and down milling ii) Simple indexing and compound indexing.
8 M
5 (b)
With a neat sketch explain the working of an universal dividing head.
6 M
5 (c)
Show the calculation for setting, dividing head to mill 69 tech (division) on a spur gear blank by compound indexing. Index plate with circles of holes patented by the porous and sharp Manufacturing company are as follows:
plate No 1-15,16,17,18,19,20
Plate No.2-21,23,27,29,30,33
Plate No.3-37,39,41,43,47,49
plate No 1-15,16,17,18,19,20
Plate No.2-21,23,27,29,30,33
Plate No.3-37,39,41,43,47,49
6 M
6 (a)
With respect to grinding process, differentiate between:
(i) Glazing and loading.
(ii) Dressing and truing of wheels.
iii) Cylindrical grinding and centreless grinding.
(i) Glazing and loading.
(ii) Dressing and truing of wheels.
iii) Cylindrical grinding and centreless grinding.
12 M
6 (b)
Explain the different factors to be considered in the selection of a grinding wheel.
8 M
7 (a)
Sketch and explain process of surface finishing
6 M
7 (b)
What is Honing? Explain with sketch.
6 M
7 (c)
List the operation and application of polishing and buffing
8 M
8 (a)
Explain briefly with a neat sketch the working principle of a electron beam machining (EBM) and what are its limitations.
10 M
8 (b)
Briefly describe the principle of electro-discharge machine (EDM) process with a sketch and what are its advantages and disadvantages.
10 M
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