Cold heading or upsetting is categorised as the __________ process.

A. Extrusion

B. Bending

C. Rolling

D. Forging

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
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  22. The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation…
  23. Maximum permissible air velocity in pipelines is about __________ metre/second.
  24. An abrupt and sudden fall in the reading of barometer is an indication of the
  25. Batch process is preferred over continuous process, when the
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  27. Surface tension of a liquid
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