14) H.S.S. is tempered at
Answer is:
550 Degree Centigrade to 600 Degree Centigrade
Related Heat Treatment MCQ - Turner (Set-1) with Answers
Answer is:
Induction hardening
Answer is:
723 Degree Centigrade
Explanation:
The lower critical temperature is same for all steels Lower critical temperature for steel’s austenite-to-pearlite transformation is 1333 ºF (723 ºCelsius). Below this temperature, austentite doesn’t exist.