Engineering Materials Preheating is essential in welding Cast iron All of these All nonferrous materials High speed steel Cast iron All of these All nonferrous materials High speed steel 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
Engineering Materials The presence of hydrogen in steel causes Embrittlement Reduced neutron absorption cross-section Improved Weldability Corrosion resistance Embrittlement Reduced neutron absorption cross-section Improved Weldability Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Slow plastic deformation of metals under a constant stress is known as Fatigue Plastic deformation Endurance Creep Fatigue Plastic deformation Endurance Creep ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following element results in presence of free graphite in C.I.? Sulphur Manganese Silicon Carbon Sulphur Manganese Silicon Carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP