MCQOPTIONS
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MCQOPTIONS
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. | |
| 2. |
A maximum of 74% packing efficiency can be achieved for crystalline solids. |
| A. | True |
| B. | False |
| Answer» C. | |
| 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 | |
| 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. | |
| 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 | |