July 17, 2025

ConstructionPlacements

Material Science

by Admin0303

Welcome to your Material Science. Test

Instructions:

  • This is a FREE online test
  • Total number of questions: 25
  • Time allotted: 15 minutes
  • Each question carries 1 mark, no negative marks
  • DO NOT refresh the page
  • All the best!
1. 
Which of the following crystal structures has the highest packing factor?

2. 
Which mechanical property measures a material's ability to deform elastically when a force is applied?

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3. 
In a binary phase diagram, the line that separates the liquid phase from the liquid-plus-solid phase is known as:

4. 
Which form of corrosion occurs as a result of electrochemical reactions at microscopically small anodic and cathodic areas on the surface of a metal?

5. 
Which component of a composite material provides the material's overall shape and is primarily responsible for bearing the load?

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6. 
Which property of a material defines its ability to conduct heat?

7. 
What type of material has electrical conductivity between that of a conductor and an insulator?

8. 
Which material type is characterized by easy magnetization and demagnetization?

9. 
Which optical property describes a material's ability to bend light as it passes through?

10. 
What type of material failure is caused by repeated or fluctuating stresses below the material's tensile strength?

11. 
Which process involves heating a metal above its recrystallization temperature and then cooling it to improve its ductility and reduce its hardness?

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12. 
Which surface treatment process is used to deposit a thin layer of metal onto the surface of another metal through electrochemical plating?

13. 
Which type of polymerization involves the stepwise addition of monomer units and the growth of polymer chains at active sites?

14. 
What is the primary characteristic that defines nanomaterials?

15. 
Which property is crucial for materials to be used in medical implants?

16. 
What does the glass transition temperature (Tg) indicate for a polymeric material?

17. 
Which process is commonly used to produce ceramic objects by heating powdered materials to high temperatures where they partially melt and fuse together?

18. 
What property is primarily considered when selecting materials for semiconductor devices?

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19. 
What is a defining characteristic of superconductors at very low temperatures?

20. 
Which type of smart material can change shape in response to electrical stimulation?

21. 
Which material is widely used in the photovoltaic cells of solar panels to convert sunlight into electricity?

22. 
What characteristic is most important for materials used in applications requiring high wear resistance?

23. 
Which technique is used to produce composite materials by laying up layers of fiber and polymer resin, then curing them?

24. 
What is the main reason for alloying metals?

25. 
What does the term 'diffusion' refer to in materials science?

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