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___________ is the process of saturating the surface layer of steel with nitrogen by heating.

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___________ is the process of saturating the surface layer of steel with nitrogen by heating.

(a) Nitriding

(b) Normalising

(c) Nitrating

(d) Tempering

This question was posed to me in an interview for internship.

My question is from Steel topic in portion Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

1 Answer

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Correct option is (a) Nitriding

For explanation: Nitriding is the process of saturating the surface layer of steel with nitrogen by heating. This process makes the steel hard and increases its resistance to corrosion.

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