STUPIDSID
1 (a)
What are the assumptions made in Earnst-Merchant theory?
2 M
1 (b)
Show that, \[\phi =\frac{\pi }{4}-\frac{\beta }{2}+\frac{\alpha }{2}\], using Earnst-Merchant theory.
8 M
1 (c)
In turning a steel rod by a given cutting tool a given machining condition under a given environment the tool life decreases from 80min to 20 minute due to increase in cutting under the same condition and environment will be 40 minutes?
6 M
1 (d)
Explain with sketch flank wear and crater wear.
4 M
2 (a)
Discuss about high-speed steel (HSS) and cemented carbide tool material as regard to its composition, manufacturing and application.
12 M
2 (b)
What are the factors affecting temperature in metal cutting? Explain.
6 M
2 (c)
List any four describe properties of cutting tool material.
2 M
3 (a)
With a neat sketch, explain crank and slotted link mechanism in a shaper.
6 M
3 (b)
With a neat sketch,explain the parts of turret lathe.
8 M
3 (c)
Explain thread cutting operation in a lathe.
6 M
4 (a)
Show the twit drill elements and drill angles using twist drill nomenclature.
6 M
4 (b)
Explain straight cut and conditioning NC systems.
6 M
4 (c)
Discuss about preparatory function and miscellaneous function in a manual part programming.
8 M
5 (a)
What is indexing? Mention different methods of indexing. Briefly explain compound indexing method.
8 M
5 (b)
Index 24 division on a work-piece using indexing.
6 M
5 (c)
Explain any three milling operations.
6 M
6 (a)
Explain any three grinding wheel characteristics/Parameters.
6 M
6 (b)
Briefly explain any five bonding processes.
5 M
6 (c)
Sketch and explain surface grinding machine
5 M
6 (d)
Explain truing and dressing of grinding wheels.
4 M
7 (a)
What is the principle of broaching?
2 M
7 (b)
what are the advantages and limitations of broaching?
4 M
7 (c)
Explain with neat sketches,lapping and super finishing process.
10 M
7 (d)
Explain any two broaching operations
4 M
8 (a)
What ais the need of non-traditional machining (NTM)?
4 M
8 (b)
Explain with neat sketches :
i) Electron beam machining
ii) Laser beam machining.
i) Electron beam machining
ii) Laser beam machining.
16 M
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