The presence of sulphur in pig iron makes__________________?

Related Mcqs:

Hardness of steel depends on_________________?

A. amount of carbon it contains B. the shape and distribution of the car-bides in iron C. method of fabrication D. contents of alloying elements E. the quality of ore from which it is made...

Hardness of lower bainite (tempered martensite) is about________________?

A. RC 65 B. RC 48 C. RC 57 D. RC 80 E. RC 32...

An important property of malleable cast iron in comparison to grey cast iron is the high___________________?

A. compressive strength B. ductility C. carbon content D. hardness E. surface finish...

In compression, a prism of brittle material will break________________?

A. by forming a bulge (l>) by shearing along oblique plane B. in direction perpendicular to application of load C. by crushing into thousands of pieces D. none of the above...

Tungsten in steel________________?

A. improves wear resistance, cutting ability and toughness B. refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties C. improves cutting ability and reduces hardenability D. gives ductility, toughness, tensile strength and anticorrosion properties E. raises its melting point...