Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Cobalt Nickel Vanadium Chromium Cobalt Nickel Vanadium Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Brass contains 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 90% copper and 10% tin 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 90% copper and 10% tin 70 - 75% copper and rest tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces Alloy cast iron Nodular cast iron White cast iron Malleable cast iron Alloy cast iron Nodular cast iron White cast iron Malleable cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Release stresses Improve machinability Improve toughness Improve ductility Release stresses Improve machinability Improve toughness Improve ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Purification of metal Working at lower temperature All of these Grain refinement Purification of metal Working at lower temperature All of these Grain refinement ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is the binding material in cemented carbides? Nickel Iron Cobalt Vanadium Nickel Iron Cobalt Vanadium ANSWER DOWNLOAD EXAMIANS APP