MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials and Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The phenomenon where the density of metal is exceptionally low due to increasing potential is known as _______ |
| A. | Polarization |
| B. | Ionization |
| C. | Passivation |
| D. | Canonization |
| Answer» D. Canonization | |
| 2. |
A galvanic cell formed due to residual stresses is known as ________ |
| A. | Stress cell |
| B. | Residual cell |
| C. | Residual ion |
| D. | Admiralty cell |
| Answer» B. Residual cell | |
| 3. |
A galvanic cell set up due to differences in the concentration of metal ion is known as ________ |
| A. | Concentration ion |
| B. | Concentration cell |
| C. | Admiralty ion |
| D. | Admiralty cell |
| Answer» C. Admiralty ion | |
| 4. |
The potential of metal in nonstandard conditions is given by _________ |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-types-corrosion-oxidation-q6a.png"><img alt="The potential of metal in nonstandard conditions - option a" class="size-full wp-image-239209" height="38" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-types-corrosion-oxidation-q6a.png" width="149"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-types-corrosion-oxidation-q6b.png"><img alt="The potential of metal in nonstandard conditions - option b" class="size-full wp-image-239210" height="44" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-types-corrosion-oxidation-q6b.png" width="149"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-types-corrosion-oxidation-q6c.png"><img alt="The potential of metal in nonstandard conditions - option c" class="size-full wp-image-239211" height="41" sizes="(max-width: 151px) 100vw, 151px" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-types-corrosion-oxidation-q6c.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-types-corrosion-oxidation-q6c.png 151w, https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-types-corrosion-oxidation-q6c-150x41.png 150w" width="151"/></a> |
| D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-types-corrosion-oxidation-q6d.png"><img alt="The potential of metal in nonstandard conditions - option d" class="size-full wp-image-239212" height="45" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-types-corrosion-oxidation-q6d.png" width="149"/></a> |
| Answer» B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-types-corrosion-oxidation-q6b.png"><img alt="The potential of metal in nonstandard conditions - option b" class="size-full wp-image-239210" height="44" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-types-corrosion-oxidation-q6b.png" width="149"/></a> | |
| 5. |
How is the Faraday s constant defined? |
| A. | F = e N<sub>A</sub> |
| B. | F = e / N<sub>A</sub> |
| C. | F = e + N<sub>A</sub> |
| D. | F = N<sub>A</sub> / e |
| Answer» B. F = e / N<sub>A</sub> | |
| 6. |
What is the Faraday s constant? |
| A. | 96.49 kC mol<sup>-1</sup> |
| B. | 99.01 kC mol<sup>-1</sup> |
| C. | 100.3 kC mol<sup>-1</sup> |
| D. | 104.49 kC mol<sup>-1</sup> |
| Answer» B. 99.01 kC mol<sup>-1</sup> | |