Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Decrease First increase and then decrease Remain same Increase Decrease First increase and then decrease Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The average grain size is a minimum There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma iron exits at following temperature Near melting point Between 1400°C and 1539°C Between 910°C and 1400°C Room temperature Near melting point Between 1400°C and 1539°C Between 910°C and 1400°C Room temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities? Manganese Phosphorus Silicon Sulphur Manganese Phosphorus Silicon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The blade of a power saw is made of Stainless steel Malleable cast iron Boron steel High speed steel Stainless steel Malleable cast iron Boron steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS