Engineering Materials The hardness is the property of a material due to which it Breaks with little permanent distortion Can cut another metal Can be drawn into wires Can be rolled or hammered into thin sheets Breaks with little permanent distortion Can cut another metal Can be drawn into wires Can be rolled or hammered into thin sheets ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of hydrogen in steel causes Embrittlement Corrosion resistance Reduced neutron absorption cross-section Improved Weldability Embrittlement Corrosion resistance Reduced neutron absorption cross-section Improved Weldability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Cobalt Nickel Chromium Vanadium Cobalt Nickel Chromium Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Chromium Nickel Vanadium Manganese Chromium Nickel Vanadium Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in steel Acts as deoxidiser Decreases tensile strength and hardness Reduces the grain size Lowers the toughness and transverse ductility Acts as deoxidiser Decreases tensile strength and hardness Reduces the grain size Lowers the toughness and transverse ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resisting steels should have Toughness Low tensile strength Low hardness Low wear resistance Toughness Low tensile strength Low hardness Low wear resistance ANSWER DOWNLOAD EXAMIANS APP