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For hardening of steel by quenching, the steel is cooled in __________

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For hardening of steel by quenching, the steel is cooled in __________

(a) Furnace

(b) Still air

(c) Oil bath

(d) Cooling tower

I got this question in exam.

I'm obligated to ask this question of Hardening and Hardenability topic in portion Heat Treatment of Engineering Material & Metallurgy

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Best answer
The correct answer is (c) Oil bath

Best explanation: After heating and soaking of the steel, it must be properly cooled. The steel is quenched to room temperature in a water or oil bath.

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