Engineering Materials
Which of the following statements are true for annealing of steels?

Internal stresses are relieved
Steels are heated to 500 to 700°C
All of these
Cooling is done slowly and steadily

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Tungsten in steel

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

ANSWER DOWNLOAD EXAMIANS APP