Question:medium

In rolling of metals, when reduction per pass is increased while all other conditions are kept constant, the required rolling force

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A higher draft ($\Delta h$) means more material is deformed simultaneously under higher strain, which always requires more rolling torque and rolling force.
Updated On: Jul 9, 2026
  • decreases due to smaller contact length
  • Increases because deformation zone and strain work increase
  • Remains constant
  • Becomes zero at large reductions
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The Correct Option is B

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