Explore topic-wise MCQs in Engineering Materials and Metallurgy.

This section includes 5 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 dielectric constant of Nylon 6, 6 at 60 Hz?

A. 3.5
B. 4
C. 7
D. 8
Answer» C. 7
Discussion
2.

What is the dielectric strength of mica?

A. 10 * 10<sup>6</sup> Vm<sup>-1</sup>
B. 100 * 10<sup>6</sup> Vm<sup>-1</sup>
C. 25 * 10<sup>6</sup> Vm<sup>-1</sup>
D. 15 * 10<sup>6</sup> Vm<sup>-1</sup>
Answer» C. 25 * 10<sup>6</sup> Vm<sup>-1</sup>
Discussion
3.

Polarization occurring due to magnetic moment is known as ______

A. Ionic
B. Electronic
C. Orientation
D. Space charge
Answer» D. Space charge
Discussion
4.

Which if the following shows space charge polarization?

A. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q9.png"><img alt="The following shows space charge polarization - option a" class="alignnone size-full wp-image-212989" height="235" sizes="(max-width: 637px) 100vw, 637px" src="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q9.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q9.png 637w, https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q9-300x111.png 300w" width="637"/></a>
B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q9a.png"><img alt="The following shows space charge polarization - option b" class="alignnone size-full wp-image-212990" height="65" sizes="(max-width: 374px) 100vw, 374px" src="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q9a.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q9a.png 374w, https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q9a-300x52.png 300w" width="374"/></a>
C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q8.png"><img alt="The following shows space charge polarization - option c" class="alignnone size-full wp-image-212988" height="118" src="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q8.png" width="285"/></a>
D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q9d.png"><img alt="The following shows space charge polarization - option d" class="alignnone size-full wp-image-212991" height="239" sizes="(max-width: 635px) 100vw, 635px" src="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q9d.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q9d.png 635w, https://www.sanfoundry.com/wp-content/uploads/2018/01/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q9d-300x113.png 300w" width="635"/></a>
Answer» E.
Discussion
5.

What is the dielectric constant of free space?

A. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q6a.png"><img alt="The dielectric constant of free space - option a" class="size-full wp-image-239181" height="49" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q6a.png" width="30"/></a>
B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q6b.png"><img alt="The dielectric constant of free space - option b" class="size-full wp-image-239182" height="45" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q6b.png" width="29"/></a>
C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q6c.png"><img alt="The dielectric constant of free space - option c" class="size-full wp-image-239183" height="44" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q6c.png" width="45"/></a>
D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q6d.png"><img alt="The dielectric constant of free space - option d" class="size-full wp-image-239184" height="50" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q6d.png" width="51"/></a>
Answer» D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q6d.png"><img alt="The dielectric constant of free space - option d" class="size-full wp-image-239184" height="50" src="https://www.sanfoundry.com/wp-content/uploads/2018/05/engineering-materials-metallurgy-questions-answers-polarisation-dielectrics-q6d.png" width="51"/></a>
Discussion