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Assertion a During hardening of steel the component to be heat...

This question belongs to Metallurgical Engineering Physical Metallurgy
Physical Metallurgy
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Assertion: a : During hardening of steel, the component to be heat treated is strongly agitated in the quenching medium.
Reason : r : The agitation breaks down the vapour barrier allowing the quench to proceed at a more rapid rate.

Answer & Solution
Correct Answer: Option B
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