Q. _______ occurs when a foreign substance replaces an atom in a crystal.

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Q. A disturbance in a region between two ideal parts of a crystal is known as ________

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Q. In screw dislocation, the Burger’s vector lies _________ to the dislocation line.

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Q. Generation of dislocations can be identified using _______

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Q. What are one-dimensional defects?

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Q. What are two-dimensional defects?

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Q. How is the dislocation energy defined?

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Q. Which code is followed by the corrosion of metals?

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Q. What is the Faraday’s constant?

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Q. How is the Faraday’s constant defined?

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Q. What is the free energy of formation value for Al₂O₃?

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Q. What is the Piling-Bedworth ratio of MgO?

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Q. A galvanic cell set up due to differences in the concentration of metal ion is known as ________

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Q. A galvanic cell formed due to residual stresses is known as ________

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Q. The phenomenon where the density of metal is exceptionally low due to increasing potential is known as _______

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Q. Which of these materials is not added to iron for improving its oxidation resistance?

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Q. How much chromium is required to provide oxidation resistance for use over 1000°C?

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Q. Molybdenum with hydrogen can be used up to ________

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Q. 10% chromium mixed with ______ can be used up to 1100°C.

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Q. Which of these metals does not require alloying for oxidation resistance?

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