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Which of the following holds true for pack carburizing?

(a) Efficient heating

(b) Uniform temperature

(c) Easy to handle

(d) Not readily adoptable

This question was addressed to me during an online interview.

This question is from Carburizing in chapter Heat Treatment of Engineering Material & Metallurgy

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Right choice is (d) Not readily adoptable

To explain: Pack carburizing is a process of carburizing which has several drawbacks. It has inefficient heating, the temperature is not uniform, and is difficult to handle. Furthermore, pack carburizing is not readily available to continuous operation.

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