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 Hall-Petch constant for Iron?

A. 0.068
B. 0.11
C. 0.71
D. 1.77
Answer» D. 1.77
Discussion
2.

What is the CRSS value of a copper crystal?

A. 0.5
B. 0.75
C. 5
D. 15
Answer» B. 0.75
Discussion
3.

According to ________ five independent systems are required to maintain the reliability of grain boundaries.

A. Hal-Petch principle
B. Mohr-Coulomb theory
C. Tresca criterion
D. Von Mises criterion
Answer» E.
Discussion
4.

What is the value of Boltzmann s constant?

A. 8.314
B. 1.38 * 10<sup>-23</sup>
C. 1.38
D. 8.314 * 10<sup>-23</sup>
Answer» C. 1.38
Discussion
5.

Which of the following represents the slip mode of plastic deformation?

A. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/02/engineering-materials-metallurgy-questions-answers-plastic-deformation-q1a.png"><img alt="The following represents the slip mode of plastic deformation - option a" class="alignnone size-full wp-image-203030" height="82" src="https://www.sanfoundry.com/wp-content/uploads/2018/02/engineering-materials-metallurgy-questions-answers-plastic-deformation-q1a.png" width="159"/></a>
B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/02/engineering-materials-metallurgy-questions-answers-plastic-deformation-q1b.png"><img alt="The following represents the slip mode of plastic deformation - option b" class="alignnone size-full wp-image-203031" height="94" src="https://www.sanfoundry.com/wp-content/uploads/2018/02/engineering-materials-metallurgy-questions-answers-plastic-deformation-q1b.png" width="166"/></a>
C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/02/engineering-materials-metallurgy-questions-answers-plastic-deformation-q1c.png"><img alt="The following represents the slip mode of plastic deformation - option c" class="alignnone size-full wp-image-203032" height="120" src="https://www.sanfoundry.com/wp-content/uploads/2018/02/engineering-materials-metallurgy-questions-answers-plastic-deformation-q1c.png" width="163"/></a>
D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/02/engineering-materials-metallurgy-questions-answers-plastic-deformation-q1d.png"><img alt="The following represents the slip mode of plastic deformation - option d" class="alignnone size-full wp-image-203033" height="101" src="https://www.sanfoundry.com/wp-content/uploads/2018/02/engineering-materials-metallurgy-questions-answers-plastic-deformation-q1d.png" width="166"/></a>
Answer» C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/02/engineering-materials-metallurgy-questions-answers-plastic-deformation-q1c.png"><img alt="The following represents the slip mode of plastic deformation - option c" class="alignnone size-full wp-image-203032" height="120" src="https://www.sanfoundry.com/wp-content/uploads/2018/02/engineering-materials-metallurgy-questions-answers-plastic-deformation-q1c.png" width="163"/></a>
Discussion