Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Silicon Manganese Phosphorus Sulphur Silicon Manganese Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature is one 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Is used where rapid machining is the prime requirement Contain carbon in free from Can be cut freely Require minimum cutting force Is used where rapid machining is the prime requirement Contain carbon in free from Can be cut freely Require minimum cutting force ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron has Low tensile strength Carbon in the form of carbide All of these High compressive strength Low tensile strength Carbon in the form of carbide All of these High compressive strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An eutectoid steel consists of Pearlite and cementite Wholly austenite Wholly pearlite Pearlite and ferrite Pearlite and cementite Wholly austenite Wholly pearlite Pearlite and ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Beryllium bronze contains 80% copper and 20% beryllium 97.75% copper and 2.25% beryllium 60% copper and 40% beryllium 99% copper and 1% beryllium 80% copper and 20% beryllium 97.75% copper and 2.25% beryllium 60% copper and 40% beryllium 99% copper and 1% beryllium ANSWER DOWNLOAD EXAMIANS APP