Engineering Materials The temperature required for full annealing in hypereutectoid steel is 30° C to 50° C above upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C below lower critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Recrystallization Precipitation Allotropic change Heat treatment Recrystallization Precipitation Allotropic change Heat treatment ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten when added to steel __________ the critical temperature. None of these Does not effect Raises Lowers None of these Does not effect Raises Lowers ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials 1841 high speed steel contains Vanadium 1%, chromium 4% and tungsten 18% Vanadium 4%, chromium 18% and tungsten 1% None of these Vanadium 18%, chromium 1% and tungsten 4% Vanadium 1%, chromium 4% and tungsten 18% Vanadium 4%, chromium 18% and tungsten 1% None of these Vanadium 18%, chromium 1% and tungsten 4% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials If a refractory contains high content of silicon, it means refractory is Basic Brittle Neutral Acidic Basic Brittle Neutral Acidic ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal shrinks most from molten state to solid state? Brass Admiralty metal Cast iron Cast steel Brass Admiralty metal Cast iron Cast steel ANSWER DOWNLOAD EXAMIANS APP