Engineering Materials The lower critical point for all steels is 723°C 700°C 913°C 600°C 723°C 700°C 913°C 600°C 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 Precipitation Allotropic change Heat treatment Recrystallization Precipitation Allotropic change Heat treatment Recrystallization ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace is used to produce Wrought iron Pig iron Cast iron Steel Wrought iron Pig iron Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials 1841 high speed steel contains Vanadium 1%, chromium 4% and tungsten 18% None of these Vanadium 18%, chromium 1% and tungsten 4% Vanadium 4%, chromium 18% and tungsten 1% Vanadium 1%, chromium 4% and tungsten 18% None of these Vanadium 18%, chromium 1% and tungsten 4% Vanadium 4%, chromium 18% and tungsten 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 400° to 700°C 800°C to 1000°C 1500°C to 1700°C 1200°C to 1300°C 400° to 700°C 800°C to 1000°C 1500°C to 1700°C 1200°C to 1300°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve toughness Improve machinability Improve ductility Release stresses Improve toughness Improve machinability Improve ductility Release stresses ANSWER DOWNLOAD EXAMIANS APP
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