Engineering Materials The addition of which of the following improves machining of copper? Vanadium Tin Zinc Sulphur Vanadium Tin Zinc Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Hardness Melting point Yield point Critical temperature Hardness Melting point Yield point Critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Vanadium Cobalt Chromium Nickel Vanadium Cobalt Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is manufactured in Open hearth furnace Cupola Bessemer converter Blast furnace Open hearth furnace Cupola Bessemer converter Blast furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Perminvar alloy having constant permeability is an alloy of Nickel, copper and iron Copper, nickel and antimony Nickel, copper and zinc Iron, zinc and bismuth Nickel, copper and iron Copper, nickel and antimony Nickel, copper and zinc Iron, zinc and bismuth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free carbon in iron makes the metal Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP