Engineering Materials Delta-iron occurs between the temperature ranges of 900°C to 1400°C 1400°C to 1530°C 600°C to 900°C 400°C to 600°C 900°C to 1400°C 1400°C to 1530°C 600°C to 900°C 400°C to 600°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 First increase and then decrease Decrease Remain same Increase First increase and then decrease Decrease Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material due to which it breaks with little permanent distortion, is called Plasticity Brittleness Ductility Malleability Plasticity Brittleness Ductility Malleability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver is an alloy of Refined silver Nickel and copper Silver and some impurities Nickel, Copper and zinc Refined silver Nickel and copper Silver and some impurities Nickel, Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Melting point Yield point Hardness Critical temperature Melting point Yield point Hardness Critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron ore is usually found in the form of All of these Sulphides Carbonates Oxides All of these Sulphides Carbonates Oxides ANSWER DOWNLOAD EXAMIANS APP
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