Set 3 Practice Mode

Set Completed!

0 / 4

0%

Q12820
Permalink
Which is a kind of surface hardening process?
Q12821
Permalink
How much time is allowed normally in soaking zone for a 10mm thick metal piece while hardening?
Q12822
Permalink
What is colour of a metal piece when heated to 250 Degree C while doing the tempering process?
Q12823
Permalink
What is the purpose of tempering a steel?