Material Engineering

What is ferrous metal?

• iron, cast iron, steel and their alloys

• diamonds and ceramics

• copper and aluminum

• plastic

Is ferrous metal magnetic or not?

• Yes

• No

Which is not a non-ferrous metal?

• Copper

• Aluminium

• Iron

• Zinc

Non-ferrous metals are cheaper than ferrous metals

• True

• False

What things have a negative effect on the Earth?

• Water

• Soil

• Plastics

• Oxi

Are plastics easy to decompose and safe for the environment?

• Yes

• No

Of all metals, which is the decorative metal?

• ceramics

• non-ferrous metal

• diamond

• A and C

Chemical symbol for diamond?

• Cr

• C

• Fe

• Cu

What are the dimensions of nanomaterials?

• 1-100 nanometers

• 1-1000 nanometers

• 10-100 nanometers

• 100-1000 nanometers

There are several methods for making nanomaterials?

• 1

• 2

• 3

• 4