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Material Science Practice Test: Structure of Crystalline Solids
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Structure of Crystalline Solids topics include: Crystals properties, bravais lattices, fcc 7 hcp metallic crystals, crystallographic directions, braggs law and amorphous solids. Crystalline solids are homogeneous solids with a definite chemical makeup. Their particles, atoms, ions, or molecules are arranged in a definite repeating pattern.  The structure of crystalline solids is made up of microscopic structures called crystal lattices. The crystal lattice is a three-dimensional, symmetrical arrangement of the atoms, ions, or molecules of the crystalline solid.  The process of forming... Show more
Material Science Practice Test: Structure of Crystalline Solids
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25 Questions

1. Which of the following properties is generally exhibited by amorphous solids?
2. Metal glass was first prepared at:
3. Soda-lime glass is the most common type of glass. The component present in largest w/w percentage is:
4. The point coordinate indices q, r, and s are multiples of:
5. Crystallinity increases with increasing rate of cooling of a liquid.
6. Which of the following is not true for crystallographic axes?
7. Which of the following is a property of amorphous solids?
8. Bragg’s law is not a sufficient condition for diffraction by crystalline solids.
9. Lead-oxide glass is called “crystal glass” because:
10. Which of the following unit cells do not exist for tetragonal lattices?
11. Coordination number of HCP and FCC lattices respectively are:
12. An octahedral void is present at each edge of the FCC lattice. How much of each of these voids belong to each unit cell?
13. 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:
14. Most unsymmetrical Bravais lattice in terms of axial distances and angles is:
15. Allotropes differ in which of the following properties:
16. In the powder method of XRD, the intensities of various bright lines are compared to determine the crystal structure. For simple cubic lattice the ratio of intensities at first two maxima are:
17. Which of the following is not a property of metal glass?
18. Co-ordination number of a crystalline solid is:
19. X-ray diffraction patterns are used for studying crystal structure of solids because
20. Number of particles in a primitive cubic unit cell is:
21. The edge length of an FCC lattice is X times the atomic radius. Value of X is:
22. In cubic crystals, crystallographic directions are arranged in families. Which of the following directions does not belong to the family <110>?
23. Most Bravais lattices are of the type:
24. The Miller indices h, k, and l of parallel planes in a BCC lattice should satisfy which of the following X-ray diffraction reflection rules?
25. If N is the number of tetrahedral voids in a close-packed structure, then the number of octahedral voids is: