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 nature of the coefficient of resistance of an insulator?

A. Positive
B. Negative
C. Zero
D. Infinite
Answer» E.
Discussion
2.

The insulating capacity of material against high voltages is known as _______

A. Dielectric strength
B. Thermoelectricity
C. Electromechanical effect
D. Electrochemical effect
Answer» B. Thermoelectricity
Discussion
3.

Which of the following represents the energy band diagram of a semiconducting material?

A. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q6-a.png"><img alt="The following represents the energy band diagram of a semiconducting material - option a" class="alignnone size-full wp-image-183915" height="142" src="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q6-a.png" width="300"/></a>
B. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q6-b.png"><img alt="The following represents the energy band diagram of a semiconducting material - option b" class="alignnone size-full wp-image-183916" height="115" src="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q6-b.png" width="300"/></a>
C. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q6-c.png"><img alt="The following represents the energy band diagram of a semiconducting material - option c" class="alignnone size-full wp-image-183917" height="133" src="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q6-c.png" width="300"/></a>
D. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q6-d.png"><img alt="The following represents the energy band diagram of a semiconducting material - option d" class="alignnone size-full wp-image-183918" height="115" sizes="(max-width: 311px) 100vw, 311px" src="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q6-d.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q6-d.png 311w, https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q6-d-300x111.png 300w" width="311"/></a>
Answer» C. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q6-c.png"><img alt="The following represents the energy band diagram of a semiconducting material - option c" class="alignnone size-full wp-image-183917" height="133" src="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q6-c.png" width="300"/></a>
Discussion
4.

Measured using an Electrical Conductivity meter, what is the order of resistivity of superconducting materials?

A. 10<sup>-8</sup>
B. 10<sup>16</sup>
C.
D. 0
Answer» E.
Discussion
5.

How is conductivity of a material defined?

A. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q2-2.png"><img alt="The conductivity of a material defined - option a" class="size-full wp-image-183911" height="42" src="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q2-2.png" width="33"/></a>
B. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q2-3.png"><img alt="The conductivity of a material defined - option b" class="size-full wp-image-183912" height="42" src="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q2-3.png" width="20"/></a>
C. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q2-1.png"><img alt="The conductivity of a material defined - option c" class="size-full wp-image-183910" height="42" src="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q2-1.png" width="33"/></a>
D. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q2-4.png"><img alt="The conductivity of a material defined - option d" class="size-full wp-image-183913" height="42" src="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q2-4.png" width="22"/></a>
Answer» D. <a href="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q2-4.png"><img alt="The conductivity of a material defined - option d" class="size-full wp-image-183913" height="42" src="https://www.sanfoundry.com/wp-content/uploads/2017/12/engineering-materials-metallurgy-questions-answers-electrical-properties-q2-4.png" width="22"/></a>
Discussion