Q. The energizer in pack carburizing makes up ________ of the total composition.

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Q. What kind of carbon-rich material is used in the carburizing mixture?

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Q. What is the carburizing temperature?

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Q. Which of the following holds true for pack carburizing?

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Q. Prevention of carburizing of components can be done by ___________

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Q. Gas carburizing differs from pack carburizing due to the use of ________

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Q. The molten baths used in liquid carburizing are composed of _________

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Q. Liquid carburizing temperature range lies between ________

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Q. Liquid carburizing can be used for producing ________ cases.

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Q. Which of the following is not applicable for liquid carburizing?

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Q. Nitriding involves the addition of ___________ for the hardening of surface.

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Q. Which of the following is required for the nitriding process?

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Q. Why is nitriding not used for plain carbon steels?

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Q. What is necessary to be done before the nitriding process?

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Q. How long should a steel component be heat treated before nitriding?

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Q. Why is atmospheric nitrogen inappropriate for use in the nitriding process?

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Q. Which of the following is not applicable for nitriding process?

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Q. Cyaniding is usually done for _________

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Q. Cyaniding is carried out at a temperature of ___________

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Q. Which of the following does not apply to cyaniding?

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