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Manufacturing And Production Technology

Manufacturing And Production Technology
In the relation VTn = C, the value of n for ceramic tools is

0.1 to 0.2
0.20 to 0.25
0.40 to 0.55
0.25 to 0.40

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Manufacturing And Production Technology
Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance to be 200 μm and current flow time of 0.2 second, heat generated during the process will be

1000 Joule
5 Joule
0.2 Joule
1 Joule

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Manufacturing And Production Technology
The cutting angle of a flat drill varies from

60° to 90°
20° to 30°
3° to 8°
90° to 120°

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Manufacturing And Production Technology
If a particular Fe-C alloy contains less than 0.83% carbon, it is called

Hyper eutectoid steel
High speed steel
Hypo eutectoid steel
Cast iron

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Manufacturing And Production Technology
The surface finish is improved by the increase in

True rake angle
Cutting speed
All of these
Nose radius

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Manufacturing And Production Technology
In which type of welding a gas shield, a consumable electrode is used and the welding can be done in all positions.

TIG welding
Submerged ARC welding
ARC welding
MIG welding

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