ASSEMBLY - Quiz

1) What is the name of the heat treatment process for reheating the hardened steel to a temperature below 400 Degree Centigrade followed by cooling?

Annealing Hardening Tempering Normalising

2) Why the tempering process carried out in steel?

To add cutting ability To relive strain and stress To refine the grain structure To regulate the hardness and toughness

3) What is the purpose of annealing in steel?

To add cutting ability To increase wear resistance To relieve the internal stress To refine the grain structure of the steel

4) What is the purpose of key?

To transmit torque Assembly purpose Lock the assembly part Permit clearance between mating part

5) What is the ratio of key way taper?

01:19 01:20 01:50 0.111111111