railway RRB JE (CBT I + CBT II) Mock Test 2024 Engineering Materials Science Structure and Properties of Engineering Materials Properties of Materials
Select the INCORRECT statement related to the effect of a small amount of carbon addition on mechanical properties of iron.
1
Ductile - Brittle - Transition - Temperature (DBTT) increases
2
Hardenability increase
3
Toughness increases
4
Yield point phenomenon occurs