CERAMICS

An example of a traditional ceramic is:

• Carbides

• Nitrides

• Pure Oxides

• Silicate Glass

Statement (I): Metals are extremely good conductors of electricity and heat, and are not transparent to visible light.

Statement (II): Ceramics are compounds between metallic and non-metallic elements.

• . Both Statement (1) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I).

• Both Statement (1) and Statement (II) are individually true, but Statement (II) is not the correct explanation of Statement (I).

• Statement (I) is true, but Statement (II) is false.

• Statement (1) is false, but Statement (II) is true.

The ceramic materials are _______

• Inorganic substances

• Brittle

• Good thermal insulators

• All of the above

Which one of the following materials is a ceramic material?

• 1. Mica

• . Zinc sulphide

• 3. Antimony

• 4. Copper

Which of the following statements are correct for ceramic materials?

A. They are inorganic substances.

B. They are brittle.

C. They are good thermal insulators.

• All Three

• Only A and B

• Only B and C

• Only A and C

Which one of the following statements is not correct regarding the features of ceramics?

• 1. Ceramics are hard, strong and dense.

• 2. Ceramics are stronger in compression than in tension.

• 3. Ceramics have very poor dielectric properties.

• 4. Ceramics are weak in impact strength.

Which one of the following statements is not correct regarding the features of ceramics?

• 1. Ceramics are hard, strong and dense.

• 2. Ceramics are stronger in compression than in tension.

• 3. Ceramics have very poor dielectric properties.

• 4. Ceramics are weak in impact strength.