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In order to remove internal stresses produced by hardening the steel...

This question belongs to Mechanical Engineering Machine Design
Machine Design
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In order to remove internal stresses produced by hardening the steel, the process usually adopted is

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Correct Answer: Option A
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1 Comment
Vimala K
Vimala K 7 years ago
Tempering is correct answer for this question.

Both Annealing & tempering are used for removing internal streess but in present question asked stress produced by hardening steel.

After hardening next operation will be the tempering to relieve the internal streess and balance the toughness and hardness.
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