Engineering Materials Perminvar alloy having constant permeability is an alloy of Iron, zinc and bismuth Nickel, copper and iron Copper, nickel and antimony Nickel, copper and zinc Iron, zinc and bismuth Nickel, copper and iron Copper, nickel and antimony Nickel, copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material in which the atoms are arranged chaotically, is called None of these Amorphous material Mesomorphous material Crystalline material None of these Amorphous material Mesomorphous material Crystalline material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in Improvement of casting characteristics Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improving machinability Improvement of casting characteristics Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improving machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Purification of metal All of these Working at lower temperature Grain refinement Purification of metal All of these Working at lower temperature Grain refinement ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In grey cast iron, carbon is present in the form of Flakes Spheroids Free carbon Cementite Flakes Spheroids Free carbon Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hematite iron ore contains iron about 0.7 0.55 0.3 0.45 0.7 0.55 0.3 0.45 ANSWER DOWNLOAD EXAMIANS APP
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