Engineering Materials The percentage of carbon in grey iron castings usually varies between 2.5 to 4.5% 5 to 7% 0.012 0.5 to 1% 2.5 to 4.5% 5 to 7% 0.012 0.5 to 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled In still air Slowly in the furnace Suddenly in a suitable cooling medium Any one of these In still air Slowly in the furnace Suddenly in a suitable cooling medium Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Nitriding Any one of these Flame hardening Case hardening Nitriding Any one of these Flame hardening Case hardening ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age-hardening is related with Gun metal German silver Duralumin Stainless steel Gun metal German silver Duralumin Stainless steel 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 The cupola is used to manufacture Cast iron Wrought iron Pig iron Steel Cast iron Wrought iron Pig iron Steel ANSWER DOWNLOAD EXAMIANS APP