Manufacturing And Production Technology
Hot rolling of mild steel is carried out

Above recrystallization temperature
Between recrystallization temperature
At recrystallization temperature
Between 100⁰C to 150⁰C

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Manufacturing And Production Technology
Which of the following statement is incorrect with reference of lathe cutting tools?

The flank of the tool is the surface or surfaces below and adjacent to the cutting edges
The heel is that part of the tool which is shaped to produce the cutting edges and face
The base is that surface of the shank which bears against the support and takes tangent pressure of the cut
The nose is the corner, arc or chamfer joining the side cutting and the end cutting edges

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Manufacturing And Production Technology
In determining the various forces on the chip, Merchant assumed that the

Cutting edge of the tool is sharp and it does not make any flank contact with the workpiece
Cutting velocity remains constant
Only continuous chip without built-up-edge is produced
All of these

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