Q. Normalising is best used for is what kind of materials?

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Q. For normalising, the steel is heated ___________ its upper critical temperature.

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

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Q. The structure obtained by normalising depends on __________

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Q. Microstructure containing ferrite is termed as _________

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Q. Which among the following media of quenching the slowest?

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Q. Which of the following is not a preferred vegetable oil for quenching medium?

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Q. Mineral oils are used in the hardening process of ____________

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Q. Which quenching medium is used for quenching of carbon and low alloy steels?

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Q. Which stage of quenching is the slowest?

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Q. Vapour-jacket cooling stage of quenching process occurs _________

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Q. Non-equilibrium phases are shown for their time and transformation using _________

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Q. The CCT or the TTT diagrams are used for _________

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Q. What does CCT diagram stand for?

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Q. __________ is used to predict quenching reactions in steels.

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Q. Which of the following is not an alternative name for the TTT diagram?

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Q. The first step in constructing a TTT diagram involves _________ the sample.

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Q. Austenising of samples for TTT diagram is done __________ temperature.

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Q. Examination of transformation time after quenching is done ___________

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Q. Isothermal transformations of eutectoid steel between 723°C and 550°C produces __________ microstructure.

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