Explore topic-wise MCQs in Materials Science.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Materials Science knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following quantities is larger in HCP as compared to FCC if the constituting atoms are similar?

A. Number of particles per unit cell
B. Volume per unit cell
C. Mass per unit cell
D. All of the mentioned
Answer» E.
Discussion
2.

A maximum of 74% packing efficiency can be achieved for crystalline solids.

A. True
B. False
Answer» C.
Discussion
3.

Density is the ratio of the mass of crystal to its volume. For a perfect FCC metallic crystal, the mass of a unit cell is 4 times M0. M0 is:

A. specific mass
B. molar mass
C. atomic mass
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
4.

Standard axial ratio for metallic HCP lattice is 2 ( 2/3). It is the ratio of

A. Atomic radius to hexagon edge length
B. Hexagon height length to atomic radius
C. Atomic radius to hexagon height
D. None of the mentioned
Answer» E.
Discussion
5.

Coordination number of HCP and FCC lattices respectively are:

A. 12, 12
B. 4, 4
C. 12, 8
D. 8, 8
Answer» B. 4, 4
Discussion