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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

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

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Manufacturing And Production Technology
Green sand mould indicates that

Mould is green in colour
Mould contains moisture
Mould has been totally dried
Polymeric mould has been cured

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Manufacturing And Production Technology
In drilling operation, the metal is removed by

Shearing and compression
Shearing and extrusion
Shearing
Extrusion

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Manufacturing And Production Technology
It is required to cut screw threads of 2 mm pitch on a lathe. The lead screw has a pitch of 6 mm. If the spindle speed is 60 r.p.m., then the speed of lead screw will be

10 r.p.m.
120 r.p.m.
20 r.p.m.
180 r.p.m.

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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 tool may fail due to

All of these
Cracking at the cutting edge due to thermal stresses
Chipping of the cutting edge
Plastic deformation of the cutting edge

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