BASIC TECHNOLOGY - IDENTIFICATION OF MATERIALS

The property which causes a metal to return to its original shape after being bent or stretched is  known as

• Conductivity

• Malleability

• Elasticity

• Ductility

Ductility is the ability of a metal to

• Conduct electricity

• Conduct heat

• Be drawn to thin wire

• Resist heat

Which of the following is a good conductor of heat?

• Wood

• Plastic

• Copper

• Paper

Malleability is a property of _ (A) wood (B) ceramic

• Wood

• Ceramic

• Rubber

• Metal

Which of these cannot be made from ceramics?

• Floor tiles

• Tea cups

• Wall of buildings

• Car tyre

Which of the following is ferrous metal?

• Copper

• Aluminium

• Silver

• Steel

Ability of a metal pick small pieces of iron or pin is called

• Sonorousity

• Ductility

• Magnetism

• Conductivity

One of the following is NOT an example of ceramics

• Plastics

• Tea cup

• Clay pot

• Water closet

Which of the following is true of ceramics 

• They are brittle

• They have low melting point

• They are elastic

• They are made from organic resins

Which of the following is true of ceramics 

• They are brittle

• They have low melting point

• They are elastic

• They are made from organic resins