Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 1500°C to 1700°C 800°C to 1000°C 1200°C to 1300°C 400° to 700°C 1500°C to 1700°C 800°C to 1000°C 1200°C to 1300°C 400° to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma iron exits at following temperature Room 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Nichrome Elinvar Magnin Invar Nichrome Elinvar Magnin Invar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver is an alloy of Refined silver Nickel, Copper and zinc Silver and some impurities Nickel and copper Refined silver Nickel, Copper and zinc Silver and some impurities Nickel and copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness is the property of a material due to which it Can be drawn into wires Can cut another metal Breaks with little permanent distortion Can be rolled or hammered into thin sheets Can be drawn into wires Can cut another metal Breaks with little permanent distortion Can be rolled or hammered into thin sheets 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
EXAMIANS