Engineering Materials
The temperature required for full annealing in hypereutectoid steel is

30° C to 50° C above upper critical temperature
30° C to 50° C above lower critical temperature
30° C to 50° C below upper critical temperature
30° C to 50° C below lower critical temperature

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Nickel in steel

Improves cutting ability and reduces hardenability
Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties
Improves wear resistance, cutting ability and toughness
Gives ductility, toughness, tensile strength and anti-corrosion properties

ANSWER DOWNLOAD EXAMIANS APP