engineering recuitment AAI JE Technical Mock Test 2020-21 Engineering Materials Science Structure and Properties of Engineering Materials Phase Diagrams
Choose the correct eutectic reaction in steel being cooled from liquid state
1
Liquid \(\frac {4.3\%C}{738 ^oC}\) Austenite + Cementite
2
Liquid \(\frac {4.3\%C}{1148^oC}\) Austenite + Cementite
3
Liquid \(\frac {4.9\%C}{1148^oC}\) Austenite + Cementite
4
Liquid \(\frac {4.9\%}{738 ^oC}\) Austenite + Cementite