About Material Science

Following are some of the multiple choice questions on the Material Science with answers that will help the students in developing their knowledge.

Material Science MCQ

1. White metal contains

  • 63 to 67% nickel and 30% copper
  • 88% copper and 10% tin and rest zinc
  • Alloy of tin, lead and cadmium
  • Silver and chromium

2. In a hardening process, the hypo-eutectoid steel is

  • Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air
  • Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium
  • Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace
  • Heated below or closes to the lower critical temperature and then cooled slowly

3. Hardness of lower bainite (tempered martensite) is about

  • RC 65
  • RC 48
  • RC 80
  • RC 57

4. When do temporary magnets lost their power?

  • When they get close to another magnet
  • When they are put underwater
  • When the magnetic source is removed
  • None of these

5. Biomaterial is the example of _______material

  • basic
  • advanced
  • nanoengineered
  • wood

6. Advanced material have ___ types

  • 4
  • 3
  • 2
  • 1

7. Below is example of polymers, except

  • PVC
  • Polystyrene
  • Polyethylene
  • Stainless Steel

8. Most ceramic materials have good insulation properties.

  • False
  • True

9. This type of material is a good conductor of electricity?

  • polymer
  • metal
  • ceramic
  • glass

10. This type of material has a low melting point

  • ceramic
  • polymer
  • glass
  • metal

11. Material science includes

  • searching for new materials.
  • modifying materials.
  • understanding properties of materials.
  • All choices

12. Which type of material does not bond well with glue?

  • Plastic
  • Wood
  • Metal
  • All of above

13. Which type of material allows you to create unique 3D shapes?

  • Plastic
  • Wood
  • Metal
  • None of these

14. Below are non elastic materials except

  • Wood
  • Rubber
  • Glass
  • Metal

15. You need to build a prototype of a design and need to choose a material that is easy to machine. Which type of material should you choose?

  • Plastic
  • Wood
  • Metal
  • None of these

16. Why is it important to consider the type of material used for a design?

  • Affects the cost of the design
  • Affects the criteria of the design
  • Both A & B
  • Affects the strength/durability of the design

17. Titanium is what type of material?

  • Metal
  • Ceramic
  • Polymer
  • Composite

18. Glass and clear plastic _____ light to pass through them.

  • allow
  • Not allow

19. Quartz is what type of material?

  • Metal
  • Ceramic
  • Polymer
  • Composite

20. Metals such as _____ are good conductors of heat.

  • Steel
  • Rubber
  • Aluminium
  • Iron

21. Carbon Fiber is what type of material?

  • Metal
  • Ceramic
  • Polymer
  • Composite

22. This objects cannot conduct electricity

  • Wood
  • Plastic
  • Glass
  • All of above

23. Glue is what type of material?

  • Metal
  • Ceramic
  • Polymer
  • Composite

24. Object made from wood and cloth

  • Can sink
  • Can conduct electricity
  • Can absorb water
  • Cannot absorb water

25. Pewter object made from

  • Gold
  • Clay
  • Sand
  • Copper

26. Mirror is made from

  • Gold
  • Clay
  • Sand
  • Copper

27. Ceramic bowl is made from

  • Gold
  • Clay
  • Sand
  • Copper

28. Choose object made from synthetic cloth

  • Raincoat
  • Tent
  • Plastic bottles
  • Both A & B

29. Plastic and synthetic cloth are made from

  • Plant
  • Petroleum
  • Rock
  • Animal

30. Below are materials from plant except

  • Rubber
  • Wood
  • Copper
  • Cotton

31. Low alloy steel can be listed as below EXCEPT

  • Medium carbon steel
  • High carbon steel
  • Moderate carbon steel
  • Low carbon steel

32. Choose object made from plants

  • Rubber gloves
  • Wooden chair
  • Towel
  • All of above

33. Which of the following statement below is an example of corrosion remedial action in designs?

  • Bolts and rivets should be replaced by proper welding.
  • Use of corrosion resistant alloys.
  • Plastic and oil are use mainly for coatings.
  • Chromium is added to the steel to enhance its corrosion resistant properties.

34. Object that can made from animal

  • Bottle
  • Wire
  • Woolen cap
  • Table

35. Commercially pure iron contains up to 0.008% C and steel up to 2% C.What are the carbon content in Cast iron?

  • More than 2% C
  • Up to 4% C
  • Up to 10% C
  • Up to 7% C

36. Listed below are the types of cast iron EXCEPT ................

  • grey cast iron
  • white cast iron
  • black cast iron
  • nodular cast iron

37. The charasteristics of stainless steel are determined by ...............

  • resistance
  • high stress
  • cobalt content
  • chromium content

38. What is the application of cast iron?

  • Car body
  • Engine blocks
  • Bridge
  • Hammer

39. Basic source of materials are

  • Animal
  • Plant
  • Petroleum
  • All of above

40. Listed below are non-ferrous metals EXCEPT ..............

  • aluminium
  • zinc
  • hydrogen
  • copper

41. Wet corrosion would only occur with the presence of .................

  • heat
  • electricity
  • moisture
  • air

42. Which of the following is TRUE about dry corrosion

  • Also known as direct oxidation corrosion
  • Also known as electrochemical corrosion
  • Causes metal to damage slowly but effectively
  • Involves the position of metal in the electrochemical series

43. .................. is a process of metal reduction from the conditions that can be used to the conditions that cannot be used.

  • Corrosion
  • Vibration
  • Tension
  • Pollution

44. What is one function of magnet?

  • magnets can attract objects that are made of metal
  • magnets can attract plastic and rubber objects.
  • magnets can attract everything.
  • None of these

45. Magnets do not attract objects that are made of......

  • metal
  • stainless steel
  • wood, glass, plastic, cloth, rubber and paper.
  • None of these

46. What are the names of the magnet poles?

  • south and east
  • north and west
  • north and south
  • None of these

47. Choose name of action on the forces for change the shape of an object ?

  • pound, press,twist and bend
  • push and pull

48. Choose name of the tools stay on the toolbox.

  • Screwdriver, Hammer, pliers and blowtorch
  • knife, Scissors, Stapler and Sharpener

49. How can you conserve energy in your home?

  • Turn up heat up to warm your home faster
  • Open a window and turn on the ac
  • Turn off lights when you do not need them
  • All of above

50. What are the parts of a circuit?

  • wire and battery.
  • battery, wire, electrical appliances and switch
  • electrical appliances and battery
  • Both A & B

Enjoyed the Quiz. Share this with friends

Comments

Add Your Review

Your email address will not be published.

Subscribe to Newsletter!

Subscribe to get latest updates and information.