Yes

No

Unknown

None

regain its original shape after deformation when the external forces are removed

draw into wires by the application of a tensile force

resist fracture due to high impact loads

retain deformation produced under load permanently

one-eighth

one-fourth

one-half

double

initial tension

external load applied

sum of the initial tension and external load applied

initial tension or external load, whichever is greater

porosity of the metal is largely eliminated

grain structure of the metal is refined

mechanical properties are improved due of refinement of grains

all of the above