The hardness of steel increases if it contains____________________?

Related Mcqs:

Solder is an alloy consisting of________________?

A. tin, antimony, copper B. tin and copper C. tin and lead D. lead and zinc E. lead and copper...

An example of amorphous material is____________?

A. zinc B. lead C. silver D. glass E. brass...

Pure iron is the structure of_______________?

A. ferrite B. pearlite C. anstenite D. ferrite and cementite E. ferrite and pearlite...

Cobalt in steel __________________?

A. improves wear resistance, cuttinability and toughness B. refines grain size and produces les tendency to carburisation, improve corrosion and heat resistant proper ties C. improves cutting ability and reduce hardenability D. gives ductility, toughness, tensile strength and anti corrosion property: E. none of the above...

A specimen of aluminium metal when observed under microscope shows __________________?

A. B.C.C. crystalline structure B. F.C.C. crystal structure C. H.C.P. structure D. a complex cubic structure E. orthorhombic crystalline structure...