14) Brass is a non-ferrous alloy of copper and
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Related ISRO Draughtsman-B Mechanical Question Paper - 2019 (Set -1) with Answer Key
The annealing process is carried out by heating the steel above the critical range, soaking it for sufficient time to allow the necessary changes to occur, and cooling at a predetermined rate, usually very slowly, within the furnace.
If PCD 240mm , then answer will be 60