Alloy

What is alloy?

• A mixture of two or more elements where the main element is a non metal

• A mixture of two or more elements where the main element is a semi metal

• A mixture of two or more elements where the main element is a metal

Which is the following is an alloy?

• Gold

• Steel

• Duralumin

• Tin

What is the purpose of alloying?

• Prevent corrosion of metals

• Increase the electrical conductivity

• Decrease melting point

What is the main components of stainless steel

• Zinc and copper

• iron, chromium, and nickel

• Lead, iron, carbon

Which the following alloys is used in body of aeroplane

• Bronze

• Steel

• Duralumin

Which is the following is not characteristic of alloy

• Not orderly mannered

• In the same atomic size

• Not in the same atomic size