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Questions Provided by Sourav Kumar Ghosh(Lecturer, DoIPE, BUTEX)

N.B: Each Question Contains 1 Mark

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1. For bottle application, what kind of glass is used?

Soda lime
Borosilicate
Both a & b
None

2. High performance of ceramics resulted due to -

Low toughness
High density
Reduced size
Both a & c

3. For following materials, which material has more fracture toughness?

SiN
Steel
Soda lime glass
Polymers

4. The hardness of steel depends upon the _______.

Amount of iron it contains
Amount of carbon it contains
Contents of alloying elements
Method of manufacture of steel

5. Which of the following bonding is secondary bonding?

H2 bond
Ionic bond
Covalent bond
Both a & c

6. For glass, which of the following is the network breaker?

SiO2, B2O3
Al2O3
Na2O, K2O
Both a & c

7. Fired products consist of __________ phase

Crystalline
Glassy
Non-Crystalline
Amorphous

8. Limestone is a source of ______.

CaO
Bt cotton
Al2O3
Na2O, K2O

9. China is used for ______.

Tiles
Tableware
Electrical insulator
Construction

10. Advanced ceramics are called _________ ceramics.

Traditional
High performance
Engineering
Both b & c

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