During hot working of metals, Options: A . &nbspporosity of the metal is largely eliminated B . &nbspgrain structure of the metal is refined C . &nbspmechanical properties are improved due of refinement of grains D . &nbspall of the above

Question

During hot working of metals,

Options:

A . porosity of the metal is largely eliminated

B . grain structure of the metal is refined

C . mechanical properties are improved due of refinement of grains

D . all of the above

Answer: Option D

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