REPAIRING TECHNIQUE - Practice Mode

1) Which are the alloys of brass metal?
Correct Answer: Copper and zinc
2) Why aluminium is used widely in aircraft industries?
Correct Answer: Light weight
3) What is the name of the metal extract from ore galena?
Correct Answer: Lead
4) Which metal alloys is used to make friction bearing?
Correct Answer: Babbitt metal
5) What is the melting point of nickel?
Correct Answer: 1450 Degree Centigrade