Engineering Materials Age hardening is related to Brass Duralumin Silver Copper Brass Duralumin Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. None of these Free graphite Both A and B Cementite None of these Free graphite Both A and B Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials 1841 high speed steel contains Vanadium 18%, chromium 1% and tungsten 4% None of these Vanadium 4%, chromium 18% and tungsten 1% Vanadium 1%, chromium 4% and tungsten 18% Vanadium 18%, chromium 1% and tungsten 4% None of these Vanadium 4%, chromium 18% and tungsten 1% Vanadium 1%, chromium 4% and tungsten 18% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Silicon Copper Magnesium Lead and bismuth Silicon Copper Magnesium Lead and bismuth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature is one At which crystals first start forming from molten metal when it is cooled At which change of allotropic form takes place At which crystals grow bigger in size At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which crystals first start forming from molten metal when it is cooled At which change of allotropic form takes place At which crystals grow bigger in size At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Case hardening Flame hardening Any one of these Nitriding Case hardening Flame hardening Any one of these Nitriding ANSWER DOWNLOAD EXAMIANS APP