Engineering Materials In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion. Silicon Phosphorus Sulphur Manganese Silicon Phosphorus Sulphur Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Free graphite None of these Both A and B Cementite Free graphite None of these Both A and B Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities? Silicon Phosphorus Sulphur Manganese Silicon Phosphorus Sulphur Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated below the lower critical temperature and then cooled slowly Heated up to the lower critical temperature and then cooled in still air None of these Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated below the lower critical temperature and then cooled slowly Heated up to the lower critical temperature and then cooled in still air None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White metal contains Silver and chromium 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc Silver and chromium 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of hydrogen in steel causes Embrittlement Improved Weldability Reduced neutron absorption cross-section Corrosion resistance Embrittlement Improved Weldability Reduced neutron absorption cross-section Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
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