Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Nickel Chromium Copper Magnesium Nickel Chromium Copper Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The unit cells 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 Have the same orientation and their similar faces are parallel All of these 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 Have the same orientation and their similar faces are parallel All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding small quantities of copper Adding carbon up to 0.83% Adding carbon up to 6.3% Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 0.83% Adding carbon up to 6.3% Adding carbon up to 2.8% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White metal contains 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium Silver and chromium 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium Silver and chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Release stresses Improve toughness Improve ductility Improve machinability Release stresses Improve toughness Improve ductility Improve machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in steel Lowers the toughness and transverse ductility Reduces the grain size Acts as deoxidiser Decreases tensile strength and hardness Lowers the toughness and transverse ductility Reduces the grain size Acts as deoxidiser Decreases tensile strength and hardness ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS