Engineering Materials Steel contains 80% or more iron 50% or more iron Alloying elements like chromium, tungsten nickel and copper Elements like phosphorus, sulphur and silicon in varying quantities 80% or more iron 50% or more iron Alloying elements like chromium, tungsten nickel and copper Elements like phosphorus, sulphur and silicon in varying quantities ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Lead and bismuth Copper Magnesium Silicon Lead and bismuth Copper Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Magnalium Hindalium Y-alloy Duralumin Magnalium Hindalium Y-alloy Duralumin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Perminvar alloy having constant permeability is an alloy of Iron, zinc and bismuth Copper, nickel and antimony Nickel, copper and zinc Nickel, copper and iron Iron, zinc and bismuth Copper, nickel and antimony Nickel, copper and zinc Nickel, copper and iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The unit cells Have the same orientation and their similar faces are parallel Contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal May be defined as the smallest parallelepiped which could be transposed in three coordinate directions to build up the space lattice All of these Have the same orientation and their similar faces are parallel Contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal May be defined as the smallest parallelepiped which could be transposed in three coordinate directions to build up the space lattice All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age hardening is related to Copper Silver Brass Duralumin Copper Silver Brass Duralumin ANSWER DOWNLOAD EXAMIANS APP