48) Iron with 0.008 % to 0.025 % carbon is known as
Answer is:
Ferrite
Related ISRO Technician-B Fitter Question Paper - 2017 (Set - 1) with Answer Key
Answer is:
723 degree celsius
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.