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Manufacturing And Production Technology

Manufacturing And Production Technology
Which of the following statement is correct about nose radius?

Both (A) and (B)
It improves tool life
It improves the surface finish
None of these

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Manufacturing And Production Technology
If the cutting speed is increased, then the built-up-edge

Becomes longer
Becomes smaller and finally does not form at all
Has nothing to do with speed
May or may not form

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Manufacturing And Production Technology
In drilling aluminium, a drill with

High helix angle is used
Any helix angle can be used
Zero helix angle is used
Low helix angle is used

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Manufacturing And Production Technology
In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness ratio is unaffected with the changed cutting conditions, the actual chip thickness will be

Quadrupled
Doubled
Halved
Unchanged

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Manufacturing And Production Technology
A ring gauge is used to measure

Roundness but not outside diameter
Both outside diameter and roundness
Only external threads
Outside diameter but not roundness

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Manufacturing And Production Technology
Cast iron during machining produces

Continuous chips
Continuous chips with built-up edge
None of these
Discontinuous chips

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