Engineering Materials Super conduction by metals is observed in the temperature range of Above 100°K Below 10°K Around 0°C Around 100°C Above 100°K Below 10°K Around 0°C Around 100°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Decrease Increase Remain same First increase and then decrease Decrease Increase Remain same First increase and then decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following alloys does not have copper as one of the constituents? Nichrome Monel metal Constantan Delta metal Nichrome Monel metal Constantan Delta metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An example of amorphous material is Zinc Glass Silver Lead Zinc Glass Silver Lead ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze is an alloy of Copper, tin and zinc Copper and tin None of these Copper and zinc Copper, tin and zinc Copper and tin None of these Copper and zinc ANSWER DOWNLOAD EXAMIANS APP