Ceramic Materials – MCQ
1. The word ceramic comes from which word?
a) Keramos
b) Kamos
c) Ceramos
d) None of these
View Answer
a) Keramos
2. Which of the following is not a ceramic material
a) Glass
b) Clay
c) Lime
d) Abrasives
View Answer
c) Lime
3. Which of the following properties ceramics do not possess
a) Hardness
b) Brittleness
c) Elasticity at low temperature
d) Malleability
View Answer
d) Malleability
4. Which of the following accelerator added for the fusion of glass
a) Nickel
b) Silica
c) Soda
d) Lime
View Answer
c) Soda
5. Which of the following compounds are used in ceramics to improve the shock resistance?
a) Lithium
b) Silicon nitride
c) Iron
d) Only (a) and (b)
View Answer
d) Only (a) and (b)
6. Ceramic materials have
a) Low electric conductivity
b) High electric conductivity
c) Very high electric conductivity
d) None
View Answer
a) Low electric conductivity
7. Carbonaceos refractories are manufactured from
a) Chromous iron
b) Chromous sulfate
c) Graphite
d) None of these
View Answer
c) Graphite
8. Which of the following statement is true
a) Refractories are able to withstand high temperature.
b) Refractories are able to resist thermal shocks.
c) Expansion and contraction of these materials are minimum.
d) It has low electric conductivity.
e) All of these.
View Answer
e) All of these.
9. Which of the following components make the glass infusible and fire-resistant
a) Soda
b) Lead oxide
c) Potash
d) Cullets
View Answer
c) Potash
10. Lead glass is also know as
a) Soft glass
b) Flint glass
c) Soda-ash glass
d) Boro glass
View Answer
b) Flint glass
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