MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
What is the temperature at which a change from the anti-ferromagnetic phase to paramagnetic phase occurs? |
| A. | Weiss |
| B. | Curie |
| C. | Neel |
| D. | Debye |
| Answer» C. Neel | |
| 2. |
What is the temperature at which a phase transition from ferromagnetic to paramagnetic occurs? |
| A. | Weiss |
| B. | Curie |
| C. | Neel |
| D. | Debye |
| Answer» C. Neel | |
| 3. |
_______ is a weak magnetizing effect in which the material is attracted due to the application of magnetic force. |
| A. | Diamagnetism |
| B. | Ferromagnetism |
| C. | Paramagnetism |
| D. | Ferrimagnetism |
| Answer» D. Ferrimagnetism | |
| 4. |
Which material is considered as perfectly diamagnetic? |
| A. | Copper |
| B. | Gold |
| C. | Superconductor |
| D. | Water |
| Answer» D. Water | |
| 5. |
_______ is a weak magnetizing effect in which magnetic lines of force are repelled. |
| A. | Diamagnetism |
| B. | Ferromagnetism |
| C. | Paramagnetism |
| D. | Ferrimagnetism |
| Answer» B. Ferromagnetism | |
| 6. |
What is the formula for Bohr magneton? |
| A. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-online-test-q6a1.png"><img alt="The formula for Bohr magneton - option a" class="size-full wp-image-239187" height="49" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-online-test-q6a1.png" width="32"/></a> |
| B. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-online-test-q6b.png"><img alt="The formula for Bohr magneton - option b" class="size-full wp-image-239188" height="50" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-online-test-q6b.png" width="39"/></a> |
| C. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-online-test-q6c.png"><img alt="The formula for Bohr magneton - option c" class="size-full wp-image-239189" height="44" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-online-test-q6c.png" width="37"/></a> |
| D. | <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-online-test-q6d.png"><img alt="The formula for Bohr magneton - option d" class="size-full wp-image-239190" height="47" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-online-test-q6d.png" width="35"/></a> |
| Answer» B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-online-test-q6b.png"><img alt="The formula for Bohr magneton - option b" class="size-full wp-image-239188" height="50" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-online-test-q6b.png" width="39"/></a> | |
| 7. |
The measure of the capacity of a material to produce its own magnetic field is defined as _______ |
| A. | Magnetic induction |
| B. | Magnetization |
| C. | Permeability |
| D. | Magnetic moment |
| Answer» D. Magnetic moment | |
| 8. |
How is the magnetic induction of material defined? |
| A. | Wb m<sup>-2</sup> |
| B. | A m<sup>2</sup> |
| C. | A m<sup>-2</sup> |
| D. | H m<sup>-1</sup> |
| Answer» B. A m<sup>2</sup> | |