REPAIRING TECHNIQUE - Quiz

1) Which are the alloys of brass metal?

Copper and tin Copper and zinc Copper and lead Copper and nickel

2) Why aluminium is used widely in aircraft industries?

Light weight Hard and Brittle High tensile strength Low thermal conductivity

3) What is the name of the metal extract from ore galena?

Tin Lead Copper Aluminium

4) Which metal alloys is used to make friction bearing?

Tin Nickel Chromium Babbitt metal

5) What is the melting point of nickel?

1300 Degree Centigrade 1450 Degree Centigrade 1100 Degree Centigrade 1950 Degree Centigrade