Physics · Materials Science
Which statement correctly describes the general characteristics of different classes of engineering materials?
- 1Metals are typically brittle and weak, ceramics are soft and ductile, and polymers are heavy and rigid.
- 2Metals have low strength, ceramics deform easily, and polymers show high electrical conductivity.
- 3Metals are usually strong and ductile, ceramics are hard and brittle, and polymers are light and flexible.✓
- 4Metals are poor conductors of heat, ceramics are elastic, and polymers are extremely dense in structure.
Correct answer
Metals are usually strong and ductile, ceramics are hard and brittle, and polymers are light and flexible.
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