Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Silicon Magnesium Copper Lead and bismuth Silicon Magnesium Copper Lead and bismuth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes It brittle It hard It easily machinable The casting unsound It brittle It hard It easily machinable The casting unsound ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is Below recrystallization temperature 1050°C 770°C 910°C Below recrystallization temperature 1050°C 770°C 910°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials If a refractory contains high content of silicon, it means refractory is Acidic Brittle Neutral Basic Acidic Brittle Neutral Basic ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material in which the atoms are arranged regularly in some directions but not in others, is called Crystalline material None of these Mesomorphous material Amorphous material Crystalline material None of these Mesomorphous material Amorphous material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Contain carbon in free from Require minimum cutting force Can be cut freely Is used where rapid machining is the prime requirement Contain carbon in free from Require minimum cutting force Can be cut freely Is used where rapid machining is the prime requirement ANSWER DOWNLOAD EXAMIANS APP