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Manufacturing And Production Technology

Manufacturing And Production Technology
In ultrasonic machining, tool is made of

Stainless steel
Tungsten carbide
Diamond
Brass or copper

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Manufacturing And Production Technology
When the cutting edge of the tool is dull, then during machining

No chips are formed
Continuous chips are formed
Continuous chips with built-up edge are formed
Discontinuous chips are formed

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Manufacturing And Production Technology
Tool life is measured by the

All of the listed here
Number of pieces machined between tool sharpenings
Time the tool is in contact with the job
Volume of material removed between tool sharpenings

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Manufacturing And Production Technology
The maximum possible draft in cold rolling of sheet increases with the

Increase in coefficient of friction
Decrease in coefficient of friction
Decrease in roll radius
Decrease in roll velocity

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Manufacturing And Production Technology
A hole is of dimension φ = 9 ₊0⁺⁰∙⁰¹⁵ mm. The corresponding shaft is of dimension φ = 9 ₊0.001⁺⁰∙⁰¹⁰ mm. The resulting assembly has

Close running fit
Loose running fit
Transition fit
Interference fit

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Manufacturing And Production Technology
Discontinuous chips are formed during machining of

Hard metals
Ductile metals
Soft metals
Brittle metals

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