Q. Which of the following nickel-based alloys is/are superalloys?

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Q. Which of the following metallurgical changes that affect the structural stability of metals at high temperatures?

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Q. Which of the following strengthening mechanisms is/are used to attain high-temperature strength?

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Q. Which of the following is/are the adequate high-temperature mechanical properties to avoid fracture?

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Q. Which of the following is/are true regarding stress rupture?

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Q. Which of the following is/are correct regarding creep?

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Q. Which of the following mechanical properties is/are important in structural applications of metals?

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Q. Dilute alloying elements of base metals exhibiting a relatively high solubility and diffusivity for atomic oxygen are subject to internal corrosion.

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Q. Which of the following is/are true regarding internal corrosion?

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Q. Which of the following metals results in the formation of volatile oxides?

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Q. Which of the following metals results in the ignition in extreme cases?

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Q. Metals that follow linear oxidation kinetics at low temperatures tend to oxidize catastrophicallyat high temperatures.

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Q. Which of the following metals follows logarithmic oxidation law?

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Q. Which of the following is/are true regarding parabolic oxidation rate law?

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Q. Which of the following metal doesn’t follow linear oxidation law?

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Q. Which of the following is/are correct regarding linear oxidation law?

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Q. What are the types of oxidation rate laws?

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Q. Diffusion-controlled oxidation can be minimized by decreasing the concentration of ionic defects in the scale.

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Q. Which of the following is/are correct regarding the measurement of the rate of oxidation?

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Q. In general, all oxides are nonstoichiometric in nature their composition varies from an ideal molecular formula.

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