Explore topic-wise MCQs in Mechanical Metallurgy.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Metallurgy knowledge and support exam preparation. Choose a topic below to get started.

1.

The plastic deformation is generally confined to the low-index planes, which have a higher density of atoms per unit area than the high-index planes.

A. True
B. False
Answer» B. False
Discussion
2.

Find the atomic density (atoms per unit area) for (110) plane of FCC lattice? (Given that the lattice parameter is a).

A. 2/ 2a<sup>2</sup>
B. 1/ 2a<sup>2</sup>
C. 2/ 3a<sup>2</sup>
D. 3/ 3a<sup>2</sup>
Answer» B. 1/ 2a<sup>2</sup>
Discussion
3.

Find the atomic density (atoms per unit area) for (111) plane of BCC lattice?Given that the lattice parameter is a.

A. 1/ 3a<sup>2</sup>
B. 4/ 3a<sup>2</sup>
C. 2/ 3a<sup>2</sup>
D. 3/a<sup>2</sup>
Answer» B. 4/ 3a<sup>2</sup>
Discussion
4.

The atomic packing efficiency of FCC and Simple cubic is __________

A. 74% and 52%
B. 74% and 68%
C. 68% and 52%
D. 68% and 74%
Answer» B. 74% and 68%
Discussion
5.

Stacking sequence for Face-centered cubic structure is ____________

A. ABABABAB
B. ABCABCABC
C. AAAAAAAA
D. ABABCABABC
Answer» C. AAAAAAAA
Discussion
6.

Stacking sequence for Hexagonal closed packed structure is ____________

A. ABABABAB
B. ABCABCABC
C. AAAAAAAA
D. ABABCABABC
Answer» B. ABCABCABC
Discussion
7.

Find the effective number of atoms in Face-centered cubic lattice?

A. 1
B. 2
C. 3
D. 4
Answer» E.
Discussion
8.

Find the effective number of atoms in Body-centered cubic lattice?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
9.

The Miller indices of the given plane in the hexagonal closed packed system are equal to ________Given that a1, a2, a3, are three base axes, and b1 is the vertical axis of the HCP structure.

A. n<a href="https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-plastic-deformation-concept-crystal-geometry-2-q1.png"><img alt="The hexagonal closed packed system are equal to (011 1) in Miller indices" class="alignnone size-full wp-image-265584" height="295" sizes="(max-width: 323px) 100vw, 323px" src="https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-plastic-deformation-concept-crystal-geometry-2-q1.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-plastic-deformation-concept-crystal-geometry-2-q1.png 323w, https://www.sanfoundry.com/wp-content/uploads/2020/01/mechanical-metallurgy-questions-answers-plastic-deformation-concept-crystal-geometry-2-q1-300x274.png 300w" width="323"/></a>
B. ((01 bar{1}1) )
C. ((0 bar{1} bar{11}) )
D. (1000)
E. (1100)
Answer» B. ((01 bar{1}1) )
Discussion