Engineering Materials
White metal contains

Silver and chromium
Alloy of tin, lead and cadmium
88% copper and 10% tin and rest zinc
63 to 67% nickel and 30% copper

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Tungsten 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