Question

asic of Engineen
1. Define metals. Classify engineering metals.​

Answer 1

Answer:

A metal (from Greek μέταλλον métallon, "mine, quarry, metal") is a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well. Metals are typically malleable (they can be hammered into thin sheets) or ductile (can be drawn into wires).

The engineering materials can broadly be classified as: a) Ferrous Metals b) Non-ferrous Metals (aluminum, magnesium, copper, nickel, titanium) c) Plastics (thermoplastics, thermosets) d) Ceramics and Diamond e) Composite Materials & f) Nano-materials.

Answer 2

Answer:

Metal you can easily say that it is a substance that is hard , lustrous and a good conductor of heat or electricity.