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Manufacturing And Production Technology

Manufacturing And Production Technology
The addition of lead, sulphur and phosphorus to low carbon steels, help to

All of these
Improve machinability
Break up chips
Reduce built up edge

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Manufacturing And Production Technology
Segmental chips are formed during machining

High carbon steel
Mild steel
Cast iron
High speed steel

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Manufacturing And Production Technology
Larger end cutting edge angle _________ tool life.

Increases
Decreases
None of these
Does not effect

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Manufacturing And Production Technology
Twist drills are made of

High speed steel
Carbon steel
Either (A) or (B)
Stainless steel

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Manufacturing And Production Technology
Crater wear is predominant in

Carbon tool steels
High speed steel tools
Tungsten carbide tools
Ceramic tools

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Manufacturing And Production Technology
The cutting speed for drilling aluminium, brass and bronze with high speed steel drills varies from

24 to 45 m/min
10 to 20 m/min
60 to 90 m/min
18 to 30 m/min

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