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| Q. |
Most of the energy expended in deforming a metal by cold working is |
| A. | Utilised in overcoming deformation stresses |
| B. | Utilised in deforming the metal |
| C. | Converted into heat |
| D. | Consumed in developing internal stresses |
| E. | None of the above |
| Answer» C. Converted into heat | |
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