Engineering Materials
In compression, a prism of brittle material will break

By crushing into thousands of pieces
By shearing along oblique plane
By forming a bulge
In direction perpendicular to application of load

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Tungsten in steel

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

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Free carbon in iron makes the metal

Hard and gives a coarse grained crystalline structure
Hard and gives a fine grained crystalline structure
Soft and gives a fine grained crystalline structure
Soft and gives a coarse grained crystalline structure

ANSWER DOWNLOAD EXAMIANS APP