Materials and Construction A metallic alloy in general as compared to their pure metal components is Having lower hardness, reactivity and fusibility Having higher melting point Having lower electrical conductivity More corrosion resistant Having lower hardness, reactivity and fusibility Having higher melting point Having lower electrical conductivity More corrosion resistant ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The purpose of nitriding the steel is to Soften its surface Harden its surface None of these Improve its reliability Soften its surface Harden its surface None of these Improve its reliability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of nickel and chromium? Inconel Duralumin Nimonic alloys Hastealloy Inconel Duralumin Nimonic alloys Hastealloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Diamagnetic materials are magnetised Strongly Only slightly In a direction opposite to that of the applied field With eddy currents only Strongly Only slightly In a direction opposite to that of the applied field With eddy currents only ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron rust is Powdered iron Ferrous oxide Hydrated ferric oxide Ferric sulphide Powdered iron Ferrous oxide Hydrated ferric oxide Ferric sulphide ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of 0.3 to 0.5% arsenic in copper increases its Electrical conductivity Ductility Malleability Tenacity & hardness Electrical conductivity Ductility Malleability Tenacity & hardness ANSWER DOWNLOAD EXAMIANS APP