GATE Materials Science and Non-Metallic Materials: Crystal structures and bonding – Previous Year Questions
11 GATE previous year questions on Crystal structures and bonding (Materials Science and Non-Metallic Materials, Metallurgical Engineering) with answers and explanations, from every paper.
- GATE 2021 MT Q63 – An interstitial atom just fits an octahedral void in BCC iron without distorting the structure. If iron’s atomic radius is 0.124 nm, the interstitial…
- GATE 2022 MT Q20 – Match the nature of bonding to the material. Column I: P. Ionic Q. Covalent R. Metallic S. Secondary Column II: 1. Diamond 2. Silver 3. NaCl 4. Solid…
- GATE 2023 MT Q19 – Diamond has low
- GATE 2023 MT Q60 – A polycrystalline BCC metal is examined with monochromatic X-rays of wavelength 0.25 nm. Its first diffraction peak has Bragg angle =30. The atomic…
- GATE 2024 MT Q30 – Which (h k l) reflections are allowed in an X-ray diffraction pattern of a crystal with an FCC lattice?
- GATE 2024 MT Q32 – Two atoms have pair-interaction energy U=-1.6/r6+51.2/r12, where U is in eV and distance r in Å. Their equilibrium bond length is Å (nearest integer).
- GATE 2024 MT Q40 – In a cubic lattice, what is the ratio of interplanar spacings of the (100), (110) and (111) planes? (Round off to two decimal places)
- GATE 2024 MT Q44 – Match the entries in Column I with stacking sequences of close-packed planes in Column II. Column I: P. FCC structure Q. Intrinsic stacking fault in…
- GATE 2025 MT Q18 – The coordination number for an octahedral site in pure copper is .
- GATE 2025 MT Q49 – X-ray diffraction using monochromatic radiation of wavelength 0.154 nm is performed on powder samples of metal A (FCC structure) and metal B (BCC…
- GATE 2026 MT Q36 – Match the crystal systems in Column I with the corresponding axial lengths and interaxial angles in Column II. Column I: (P) Tetragonal (Q)…