Q. Generation of dislocations can be identified using _______

View solution

Q. What are one-dimensional defects?

View solution

Q. What are two-dimensional defects?

View solution

Q. How is the dislocation energy defined?

View solution

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

View solution

Q. What is the Faraday’s constant?

View solution

Q. How is the Faraday’s constant defined?

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Molybdenum with hydrogen can be used up to ________

View solution

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

View solution

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

View solution

Q. _________ is used to prevent duralumin from corrosion.

View solution

Q. Galvanized ion is made by dipping low carbon steel in molten zinc at ________

View solution

Q. Which of these is not a way to prevent intergranular corrosion?

View solution