For a metal alloy, which one of the following descriptionsrelates to the stress-relief annealing…

For a metal alloy, which one of the following descriptionsrelates to the stress-relief annealing process?(a) Heating the workpiece material above itsrecrystallization temperature, soaking and then coolingin still air(b) Heating the workpiece material below itsrecrystallization temperature, holding for some time andthen furnace cooling(c) Heating the workpiece material up to itsrecrystallization temperature and then rapid cooling(d) Heating the workpiece up to its recrystallizationtemperature and cooling to room temperaturealternately for a few cycles