Engineering Materials The alloying element which can replace tungsten in high speed steels is Molybdenum Vanadium Cobalt Nickel Molybdenum Vanadium Cobalt Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Beryllium bronze contains 99% copper and 1% beryllium 60% copper and 40% beryllium 80% copper and 20% beryllium 97.75% copper and 2.25% beryllium 99% copper and 1% beryllium 60% copper and 40% beryllium 80% copper and 20% beryllium 97.75% copper and 2.25% beryllium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Harden steel slightly Soften material Improve machining characteristic Relieve stresses Harden steel slightly Soften material Improve machining characteristic Relieve stresses ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Increase Remain same Decrease First increase and then decrease Increase Remain same Decrease First increase and then decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 1050°C Below recrystallization temperature 910°C 770°C 1050°C Below recrystallization temperature 910°C 770°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Preheating is essential in welding High speed steel All nonferrous materials Cast iron All of these High speed steel All nonferrous materials Cast iron All of these ANSWER DOWNLOAD EXAMIANS APP