Engineering Materials Addition of lead and bismuth to aluminium results in Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Hindalium Duralumin Y-alloy Magnalium Hindalium Duralumin Y-alloy Magnalium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material in which the atoms are arranged chaotically, is called Crystalline material Amorphous material Mesomorphous material None of these Crystalline material Amorphous material Mesomorphous material None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is an amorphous material? Mica Glass Lead Silver Mica Glass Lead Silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Stress relaxation is the phenomenon In which parts are not loaded In which stress remains constant on increasing load In which deformation tends to loosen the joint and produces a stress reduced Stress reduces on increasing load In which parts are not loaded In which stress remains constant on increasing load In which deformation tends to loosen the joint and produces a stress reduced Stress reduces on increasing load ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Case hardening Any one of these Nitriding Flame hardening Case hardening Any one of these Nitriding Flame hardening ANSWER DOWNLOAD EXAMIANS APP
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