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

Engineering Materials
Stress relaxation is the phenomenon

In which parts are not loaded
Stress reduces on increasing load
In which stress remains constant on increasing load
In which deformation tends to loosen the joint and produces a stress reduced

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Nickel in steel

Gives ductility, toughness, tensile strength and anti-corrosion properties
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

ANSWER DOWNLOAD EXAMIANS APP