The ductile to brittle transition temperature in metal is around ____ of melting point (Tm)?

The ductile to brittle transition temperature in metal is around ____ of melting point (Tm)? Correct Answer 0.1 Tm

The ductile to brittle transition temperature is generally below the room temperature for metals. By considering the melting point, the DBTT comes around 0.1 of melting point of given metal.

Related Questions

How far is point 'R' from Point 'T'? Statement (I): Point 'R' is 5 metres to the north of point 'M'. Point 'U' is 4 metres to the east of point 'R'. Point 'T' is to the west of point 'R' such that points 'U' 'R' and 'T' form a straight line of  metres. Statement (II): Point 'Z' is metres to the south of point 'T'. Point 'U' is  metres to the east of point 'T'. Point 'M' is  metres to the east of point 'Z'. Point 'R' is  metres to the north of point 'M'. Point 'R' lies on the line formed by joining points 'T' and 'U'.