Materials of Metal

1. What is a metal?

• A non-conductive material

• 1. A solid material with good electrical and thermal conductivity

• A liquid material with poor conductivity

• 1. A gas with high thermal resistance

What type of strength describes a metal's ability to withstand twisting?

• 10. Tensile strength

• Compressive strength

• Shear strength

• Torsional strength

1. Which of the following is NOT an example of a metal?

• Iron

• Gold

• Plastic

• Aluminium

1. What is a pure metal?

• A fine metal mixed with other elements

• 1. A metal that is always liquid at room temperature

• A metal that has not been joined with any other materials

• A metal that is always magnetic

10. What property is essential for hammer heads?

• Malleability

• Strength

• Toughness

• Hardness

1. What is an alloy of iron and carbon?

• Zinc

• Copper

• Steel

• Brass

1. What is an alloy of copper and zinc?

• Steel

• Brass

• Aluminum

• Iron

1. Which of the following is a ferrous metal?

• Copper

• Brass

• Steel

• Aluminum

1. What are ferrous metals?

• Metals that turn liquid at room temperature

• Metals that mainly contain iron and have magnetic properties

• Metals that are always non-magnetic

• Metals that do not contain iron

10. What property describes a metal's ability to resist wear and indentation?

• Toughness

• Hardness

• Strength

• Flexibility