Q1. Which type of bonding is predominant in metals?
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Q2. What is the basic unit of crystalline solids?
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Q3. The Mohs scale measures:
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Q4. Which crystal system has all sides unequal and no axes at right angles?
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Q5. Dislocations in crystals are mainly responsible for:
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Q6. The grain size in metals affects:
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Q7. Which of the following is a ferrous metal?
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Q8. What is annealing in metallurgy?
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Q9. Ceramics are generally:
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Q10. Which test measures the hardness of materials by indentation?
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Q11. The phase diagram represents:
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Q12. Fatigue failure occurs due to:
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Q13. Which of the following is a point defect in crystals?
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Q14. What does the term ductility mean?
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Q15. The property of metals to return to original shape after stress removal is:
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Q16. Which strengthens materials by refining grain size?
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Q17. Which is a non-metallic engineering material?
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Q18. Creep in materials refers to:
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Q19. Which of the following is used to study crystal structure?
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Q20. What is the effect of alloying on metals?
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Q21. The term isotropy means:
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Q22. The yield strength indicates:
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Q23. Corrosion resistance can be improved by:
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Q24. Which testing method is used to detect surface cracks?
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Q25. Plastic deformation in metals is due to:
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Q26. What is the main mechanism of strengthening in precipitation hardening?
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Q27. Phase transformation in materials can be influenced by:
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Q28. Which is a property of amorphous solids?
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Q29. Fatigue life of a material is:
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Q30. The hardness of a material is related to:
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